HA12206NT
Audio Signal Processor for Cassette Deck
ADE-207-198B (Z)
3rd Edition Jun. 1999
Description
HA12206NT is silicon monolithic bipolar IC providing music sensor system, ALC, REC equalizer system and each electronic control switch in one chip.
Functions
• |
REC equalizer |
× |
2 channel |
• |
Line Amp. |
× |
2 channel |
•ALC (Automatic Level Control)
•MS (Music Sensor)
•Each electronic control switch to change REC equalizer, bias, etc.
•REC mute
Features
•REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics.
•Correspondence with normal position (TYPE I) / high position (TYPE II).
•TYPE I / TYPE II and PB equalizer fully electronic control switching built-in.
•Controllable from direct micro-computer output.
•Available to reduce substrate-area because of high integration and small external parts.
HA12206NT
Pin Description, Equivalent Circuit (VCC = 7.0V, VEE = –7.0V, Ta = 25°C, No signal, The value in the table show typical value.)
Pin No. |
Pin Name |
Note |
Equivalent Circuit |
Pin Description |
2 |
PB-Ain (R) |
V=0 |
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A Deck PB input |
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V
100k
29 |
PB-Ain (L) |
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4 |
PB-Bin (R) |
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27 |
PB-Bin (L) |
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5 |
REC-in (R) |
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26 |
REC-in (L) |
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9 |
EQ-in (R) |
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22 |
EQ-in (L) |
B Deck PB input
REC input
Equalizer input
12 |
MIMS |
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MS Gain control |
3 |
AB out (R) |
V = 0 |
14.9k |
10.6k |
V |
Time constant for |
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NAB standard |
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28 |
AB out (L) |
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6 |
ATT (R) |
V = 0 |
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Variable |
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V |
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impedance for |
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attenuation |
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25 |
ATT (L) |
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7 |
RPOUT (R) |
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VCC |
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REC or PB output |
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VEE
24 RPOUT (L)
Rev.3, Jun. 1999, page 2 of 32
HA12206NT
Pin Description, Equivalent Circuit (VCC = 7.0V, VEE = –7.0V, Ta = 25°C, No signal, The value in the table show typical value.) (cont)
Pin No. |
Pin Name |
Note |
Equivalent Circuit |
Pin Description |
8 |
ADD in (R) |
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Adder input |
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100k |
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100k |
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23 |
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100k |
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8 |
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100k |
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100k |
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23 |
ADD in (L) |
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10 |
EQOUT (R) |
V = 0V |
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Equalizer output |
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100k |
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V |
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21 |
EQOUT (L) |
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11 |
IREF |
V = 1.2V |
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Equalizer |
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reference current |
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input |
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V |
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13 |
DET MS |
V = VCC – 4.2V |
V |
Time constant for |
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rectifier |
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15 |
DET ALC |
V = 2.3V |
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16 |
MS |
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MS output |
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Rev.3, Jun. 1999, page 3 of 32
HA12206NT
Pin Description, Equivalent Circuit (VCC = 7.0V, VEE = –7.0V, Ta = 25°C, No signal, The value in the table show typical value.) (cont)
Pin No. |
Pin Name |
Note |
Equivalent Circuit |
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Pin Description |
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17 |
Acr |
V = 0V |
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VCC |
Mode control |
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22k
100k
V
18Bcr
19REC MUTE
20 |
REC / A / B |
V = 2.5V |
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1 |
VEE |
VEE pin |
14 |
VCC |
VCC pin |
30 |
GND |
GND pin |
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Rev.3, Jun. 1999, page 4 of 32
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RECOUT |
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Block |
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15k |
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2.2k |
(L) |
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RECMUTE |
Bcr |
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Acr |
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3.9k |
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Diagram |
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or |
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PB Ain |
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PB Bin |
REC in |
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PBOUT |
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EQOUT |
(SW1) |
(SW3) |
(SW2) |
(SW2) |
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(L) |
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(L) |
(L) |
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(L) |
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(L) |
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REC/A/B ON/OFF |
C/N |
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C/N |
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5V |
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GND |
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R3L |
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R1L |
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R2L |
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R8 |
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C3L+ |
C4L |
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C1L |
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C2L |
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0.1µ |
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4700p |
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0.1µ |
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AINL ABOUTL |
BINL |
RECINL |
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ATTL RPOUTL ADDINL |
EQINL |
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EQOL |
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RECAB RECMUTE |
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BCR |
ACR |
MS |
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30 |
29 |
28 |
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27 |
26 |
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25 |
24 |
23 |
22 |
21 |
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20 |
19 |
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18 |
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17 |
16 |
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− |
30dBs |
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− 30dBs |
− |
30dBs |
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100k |
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Mute |
SW4L |
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100k |
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14.9k |
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SW3L |
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EQ |
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REC |
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1k |
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22.7k |
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20dB |
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100k |
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10.6k |
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100k |
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C |
− |
(580mV) |
67k |
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REC |
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− |
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+ |
− 2.5dBs |
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B |
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N |
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27.5dB |
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A |
SW1L |
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SW2L |
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ALC |
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ADDER |
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DET |
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A |
SW1R |
+ |
27.5dB |
SW2R |
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B |
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N |
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− |
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+ |
− 2.5dBs |
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100k |
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− |
(580mV) |
67k |
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+ |
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MS |
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C |
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− |
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100k |
1k |
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22.7k |
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(1.64Vpp) |
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EQ |
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DET |
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10.6k |
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20dB |
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REC |
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100k |
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14.9k |
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SW3R |
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100k |
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(24.5mV) |
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Mute |
SW4R |
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.Rev |
3 |
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4 |
5 |
− |
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6 |
7 |
8 |
9 |
(38.8mV)10 |
(436mV)11 |
12 |
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14 |
15 |
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1 |
2 |
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− |
30dBs |
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− 30dBs |
30dBs |
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100k |
− |
26dBs |
− 5dBs |
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3, |
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AINR ABOUTR |
BINR RECINR |
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ATTR RPOUTR ADDINR |
EQINR |
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EQOR |
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IREF |
MIMS |
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DETMS |
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DETALC |
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.Jun |
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C1R |
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C2R |
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C3R |
0.1µ |
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R4 |
R5 |
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C6 |
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R6 |
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C7 |
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R7 |
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0.1µ |
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4700p |
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+ |
C4R |
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68k |
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32of5page1999, |
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R1R |
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R2R |
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C5 |
0.33µ |
+ |
330k |
10µ |
+ |
1M |
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HA12206NT |
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15k |
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2.2k |
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R3R |
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2200p |
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VEE |
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VEE |
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− 7V |
PB Ain |
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PB Bin |
REC in |
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RECOUT |
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EQOUT |
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VCC |
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(R) |
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(R) |
(R) |
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(R) |
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(R) |
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+7V |
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− 12.7dBs |
or |
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Unit |
R : Ω |
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(180mV) |
PBOUT |
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(R) |
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C : F |
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HA12206NT
Truth Table
Parallel Data Format
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NAB SW Position (SW 2) |
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REC / A / B (Pin 20) |
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Acr (Pin 17) |
Bcr (Pin 18) |
L |
M |
H |
REC-EQ Mode |
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L |
L |
TYPE I |
TYPE I |
TYPE I |
TYPE I |
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L |
H |
TYPE II |
TYPE I |
TYPE I |
TYPE II |
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H |
L |
TYPE I |
TYPE II |
TYPE I |
TYPE I |
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H |
H |
TYPE II |
TYPE II |
TYPE I |
TYPE II |
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Line Amp (SW 1) |
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B |
A |
REC |
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ALC |
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OFF |
OFF |
*1 |
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REC-EQ Behind (SW 4) |
OFF |
ON |
ON |
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Note: 1. Follow the position of REC-MUTE pin. |
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REC-MUTE (Pin 19) |
REC-EQ Before (SW 3) |
ALC |
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L |
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Active |
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ON |
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H |
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MUTE |
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OFF |
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Control Pin Position Under the Open Case
Acr (Pin 17) |
L |
Bcr (Pin 18) |
L |
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REC-MUTE (Pin 19) |
L |
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REC / A / B (Pin 20) |
M |
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Rev.3, Jun. 1999, page 6 of 32
Test No. Symbol |
Set No. SG. |
Input Output Measure Other |
1 |
IQ |
1 |
— |
— |
— |
— |
IQ=I (DC SOURCE 3) |
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2-1 |
Acr |
2 |
10kHz, –30dBs Ain |
PBOUT |
AC VM2 |
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(VIL) |
Bcr |
3 |
10kHz, –30dBs Bin |
PBOUT |
AC VM2 |
V(AC VM2) |
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(0.5dB) |
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REC-MUTE |
4 |
1kHz, –26dBs |
EQin |
EQOUT |
AC VM2 |
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(dB) |
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VIL |
V(DC SOURCE 1) |
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RECAB |
5 |
1kHz, –30dBs |
Bin |
RPOUT |
AC VM2 |
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2-2 |
RECAB |
5 |
1kHz, –30dBs |
Ain |
RPOUT |
AC VM2 |
V(AC VM2) |
(0.5dB) |
(VIM) |
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(dB) |
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VIM VIM V(DC SOURCE 1)
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2-3 |
Acr |
2 |
10kHz, –30dBs Ain |
RPOUT |
AC VM2 |
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(VIH) |
Bcr |
3 |
10kHz, –30dBs Bin |
RPOUT |
AC VM2 |
V(AC VM2) |
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V(AC VM2) |
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REC-MUTE |
4 |
1kHz, –26dBs |
EQin |
EQOUT |
AC VM2 |
(dB) |
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(dB) |
60dB |
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0.3dB |
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(0.5dB) |
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RECAB |
5 |
1kHz, –30dBs |
RECin |
RPOUT |
AC VM2 |
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VIH |
V(DC SOURCE 1) |
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V |
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IH |
V |
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IH V(DC SOURCE 1) |
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(Acr, Bcr) |
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(REC-MUTE) |
(RECAB) |
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3-1 |
GV(1) |
6 |
1kHz, –30dBs |
Ain |
RPOUT |
AC VM1 |
GV=20 log {V(AC VM2) / V(AC VM1)} |
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AC VM2 |
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3-2 |
GV(2) |
7 |
1kHz, –30dBs |
Bin |
RPOUT |
AC VM1 |
GV=20 log {V(AC VM2) / V(AC VM1)} |
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Rev |
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AC VM2 |
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3-3 |
GV(3) |
8 |
10kHz, –30dBs Bin |
RPOUT |
AC VM1 |
GV=20 log {V(AC VM2) / V(AC VM1)} |
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. |
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AC VM2 |
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3, |
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.Jun |
3-4 |
GV(4) |
9 |
1kHz, –30dBs |
RECin |
RPOUT |
AC VM2 |
Vi=V(AC VM2) at SW5, SW6=REC |
GV=20 log {V(AC VM2 / Vi)} |
|||||||||||
|
|
4 |
Vomax |
6 |
1kHz |
Ain |
RPOUT |
AC VM2 |
Vo=V(AC VM2) at T.H.D=1% |
Vomax=20 log (Vo / 580mV) |
||||||||||||
1999, |
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5-1 |
THD(1) |
6 |
1kHz, –30dBs |
Ain |
RPOUT |
Distortion 400 to 30kHz BPF |
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Analyzer |
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32of7page |
5-2 |
THD(2) |
9 |
1kHz, –0.7dBs |
RECin |
RPOUT |
Distortion 400 to 30kHz BPF |
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Analyzer |
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Conditions Test
HA12206NT
32 of 8 page 1999, .Jun 3,.Rev
Test No. Symbol |
Set No. SG. |
Input |
Output |
Measure Other |
|||||||
6-1 |
S/N (1) |
6 |
— |
— |
RPOUT |
— |
S/N=20 log {580mV / V(Noise)} CCIR / ARM |
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6-2 |
S/N (2) |
9 |
— |
— |
RPOUT |
— |
S/N=20 log {580mV / V(Noise)} CCIR / ARM |
||||
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7 |
CT R/L |
10 |
1kHz, –18dBs* |
Ain |
RPOUT |
AC VM2 |
CT=20 log {580mV / V(AC VM2)} |
||||
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8 |
CT A/B |
11 |
1kHz, –18dBs* |
Ain/Bin |
RPOUT |
AC VM2 |
CT=20 log {580mV / V(AC VM2)} |
||||
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9 |
ALC |
12 |
1kHz, –0.7dBs |
RECin |
RPOUT |
AC VM2 |
ALC=20 log {V(AC VM2) / 580mV} |
||||
10 |
VON |
6 |
5kHz |
Ain |
RPOUT |
AC VM2 |
VON=20 log {V(AC VM2) / 580mV} at DC VM= |
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DC VM |
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11 |
VOL |
6 |
1kHz, –30dBs |
Ain |
RPOUT |
DC VM |
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12-1 |
GV REC N1 |
13 |
1kHz, –46dBs |
EQin |
EQout |
AC VM2 |
GV REC=20 log {V(AC VM2) / V(AC VM1)} |
||||
12-2 |
GV REC N2 |
13 |
8kHz, –46dBs |
EQin |
EQout |
AC VM2 |
GV REC=20 log {V(AC VM2) / V(AC VM1)} |
||||
12-3 |
GV REC N3 |
13 |
12kHz, –46dBs |
EQin |
EQout |
AC VM2 |
GV REC=20 log {V(AC VM2) / V(AC VM1)} |
||||
13-1 |
GV REC C1 |
13 |
1kHz, –46dBs |
EQin |
EQout |
AC VM2 |
GV REC=20 log {V(AC VM2) / V(AC VM1)} |
||||
13-2 |
GV REC C2 |
13 |
8kHz, –46dBs |
EQin |
EQout |
AC VM2 |
GV REC=20 log {V(AC VM2) / V(AC VM1)} |
||||
13-3 |
GV REC C3 |
13 |
12kHz, –46dBs |
EQin |
EQout |
AC VM2 |
GV REC=20 log {V(AC VM2) / V(AC VM1)} |
||||
14 |
R-MUTE ATT 14 |
1kHz, –14dBs* |
EQin |
EQout |
AC VM2 |
R-MUTE ATT=20 log {436mV / V(AC VM2)} |
|||||
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15 |
Vomax REC |
13 |
1kHz |
EQin |
EQout |
AC VM2 |
at T.H.D=1% |
||||
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16 |
THD REC |
13 |
1kHz, –26dBs |
EQin |
EQout |
Distortion 400 to 30kHz BPF |
|||||
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Analyzer |
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17 |
S/N REC |
13 |
— |
— |
EQout |
Noise |
S/N=20 log {436mV / V(AC VM2)} |
||||
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Meter |
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Note: or large level without dipping
Conditions Test |
HA12206NT |
(cont) |
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SW-Position |
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DC-SOURCE(V) |
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||
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Set No. |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
1 |
2 |
3 |
4 |
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1 |
OFF |
*1 |
*1 |
*1 |
*1 |
*1 |
L |
L |
L |
M |
|
2.5V |
5V |
–7V |
–7V |
|||
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2 |
*2 |
A |
A |
*2 |
RP |
RP |
M |
L |
L |
OFF |
|
0 to VCC |
5V |
–7V |
–7V |
||
|
3 |
*2 |
B |
B |
*2 |
RP |
RP |
L |
M |
L |
L |
|
0 to VCC |
5V |
–7V |
–7V |
||
|
4 |
*2 |
EQ |
EQ |
*2 |
EQ |
EQ |
L |
L |
M |
H |
|
0 to VCC |
5V |
–7V |
–7V |
||
|
5 |
*2 |
B |
B |
*2 |
RP |
RP |
L |
L |
L |
M |
|
0 to VCC |
5V |
–7V |
–7V |
||
6 |
*2 |
A |
A |
*2 |
RP |
RP |
L |
L |
H |
M |
|
2.5V |
5V |
–7V |
–7V |
|||
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7 |
*2 |
B |
B |
*2 |
RP |
RP |
L |
L |
H |
L |
*1 |
5V |
–7V |
–7V |
||||
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8 |
*2 |
B |
B |
*2 |
RP |
RP |
L |
H |
H |
L |
*1 |
5V |
–7V |
–7V |
||||
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|||
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9 |
*2 |
REC |
REC |
*2 |
RP |
RP |
L |
L |
H |
H |
*1 |
5V |
–7V |
–7V |
|||
|
10 |
R L |
A |
A |
L R |
RP |
RP |
L |
L |
H |
M |
|
2.5V |
5V |
–7V |
–7V |
||
|
11 |
*2 |
A B |
A B |
*2 |
RP |
RP |
L |
L |
H |
L M |
|
2.5V |
5V |
–7V |
–7V |
||
12 |
*2 |
REC |
REC |
*2 |
RP |
RP |
L |
L |
L |
H |
*1 |
5V |
–7V |
–7V |
||||
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||
13 |
*2 |
EQ |
EQ |
*2 |
EQ |
EQ |
L |
L |
L |
M |
|
2.5V |
5V |
–7V |
–7V |
|||
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||
|
14 |
*2 |
EQ |
EQ |
*2 |
EQ |
EQ |
L |
L |
H |
M |
|
2.5V |
5V |
–7V |
–7V |
||
|
|
|
15 |
*2 |
A |
A |
*2 |
RP |
RP |
L |
L |
H |
M |
|
2.5V |
5V |
–6V |
–6V |
|
|
|||||||||||||||||
|
|
16 |
*2 |
EQ |
EQ |
*2 |
EQ |
EQ |
L |
L |
L |
M |
|
2.5V |
5V |
–6V |
–6V |
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Note: 1. Either will do
2. Measured channel Lch or Rch
32 of 9 page 1999, .Jun 3,.Rev
Each for Set-(Pre Position SW |
(cont) Conditions Test |
TEST) |
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HA12206NT
HA12206NT
Functional Description
Power Supply Range
Table 1 Supply Voltage
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Power Supply Range |
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Item |
VCC |
VEE |
| VCC | – | VEE | |
Single Supply |
6.0V to 7.5V |
–7.5V to –6.0V |
Inside 1.0V |
Note: HA12206NT is designed to operate on split supply.
As VEE pin is joined the substrate of chip, there is the possibility of latch-up in such case that the other pin is supplied a voltage and VEE pin is open.
Therefore please use as VEE pin become the lowest voltage of low impedance all the time. When power supply is thrown into this IC, that caution is necessary especially.
Operating Mode Control
HA12206NT provides fully electronic switching circuits. And each operating mode control is controlled by parallel data (DC voltage).
Table 2 shows the control voltage of each control input pin.
Table 2 |
Control Voltage |
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Pin No. |
Lo |
Mid |
Hi |
Unit |
Test Condition |
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17, 18, 19 |
0.0 to 1.0 |
— |
4.0 to V CC |
V |
Input Pin |
Measure |
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20 0.0 to 1.0 2.0 to 3.0 4.0 to VCC V
Note: 1. Each pin is pulled down with 100kΩ internal resistor. 17 to 19 pins are low-level, 20 pin is midlevel, when each pin is open.
2.Over shoot level and under shoot level of input signal must be the standardized. (High: Less than VCC, Low: More than –0.2V)
Rev.3, Jun. 1999, page 10 of 32