HIT HA12206NT Datasheet

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 extern al 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

V

100k

29 PB-Ain (L) 4 PB-Bin (R) B Deck PB input 27 PB-Bin (L) 5 REC-in (R) REC input 26 REC-in (L) 9 EQ-in (R) Equalizer input 22 EQ-in (L) 12 MIMS MS Gain control 3 AB out (R) V = 0

14.9k 10.6k V

A Deck PB input

Time constant for NAB standard

28 AB out (L) 6 ATT (R) V = 0

25 ATT (L) 7RPOUT (R)

24 RPOUT (L)

Variable

V

CC

V

EE

impedance for attenuation

REC or PB output

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)

23

100k

Adder input

23 ADD in (L) 10 EQOUT (R) V = 0V

21 EQOUT (L) 11 IREF V = 1.2V

13 DET MS V = VCC – 4.2V

8

100k

Equalizer output

100k

V

Equalizer reference current input

V

Time constant for rectifier

15 DET ALC V = 2.3V 16 MS MS output

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 Pin Description

17 Acr V = 0V

22k

100k

V

CC

18 Bcr 19 REC MUTE 20 REC / A / B V = 2.5V 1V 14 V

EE

CC

30 GND GND pin

Mode control

VEE pin VCC pin

Rev.3, Jun. 1999, page 4 of 32

Block Diagram

HA12206NT

C : F

Acr

Bcr

RECMUTE

or

(L)

RECOUT

5V

C/N

(SW2)

C/N

(SW2)

(SW3)

ON/OFF

(SW1)

REC/A/B

(L)

EQOUT

(L)

PBOUT

(L)

REC in

(L)

PB Bin

(L)

PB Ain

R3L

GND

R8

R2L

R1L

3.9k

C4L

2.2k

15k

0.1µ +

C3L

C2L

C1L

0.1µ

4700p

16

BCR ACR MS

RECMUTE

100k

25 24 23 22 21 20 19 18 17

−30dBs−30dBs −30dBs

AINL ABOUTL BINL RECINL ATTL RPOUTL ADDINL EQINL EQOL RECAB

30 29 28 27 26

SW4L

Mute

SW3L

14.9k

100k

REC⋅EQ

20dB

10.6k

22.7k

1k

100k

67k

−2.5dBs

(580mV)

−

+

C

−

+

REC

B

100k

N

27.5dB

SW2L

SW1L

A

ALC

DET

ADDER

SW2R

27.5dB +

SW1R

A

−2.5dBs

+

N

−

B

MS

+

67k

(580mV)

−

C

REC

100k

DET

−

20dB

(1.64Vpp)

10.6k

22.7k

1k

100k

REC⋅EQ

SW3R

14.9k

100k

Unit R : Ω

R7

1M

15

C7

10µ

CC

+7V

V

R6

330k

+ +

C6

0.33µ C5

R5

68k

MIMS DETMS DETALC

IREF

(436mV)(38.8mV)

SW4R

Mute

100k

ADDINR EQINR EQOR

RPOUTR

67891011121314

−30dBs −26dBs −5dBs

−30dBs

BINR RECINR ATTR

ABOUTR

AINR

−30dBs

(24.5mV)

12345

R4

C2R

C1R

0.1µ

C4R

+

C3R

0.1µ

4700p

R2R

R1R

2.2k

15k

2200p

EE

V

R3R

EE

V

(R)

EQOUT

(R)

RECOUT

(R)

REC in

(R)

PB Bin

(R)

PB Ain

−7V

or

(R)

PBOUT

(180mV)

−12.7dBs

Rev.3, Jun. 1999, page 5 of 32

HA12206NT

Truth Table

Parallel Data Format

NAB SW Position (SW 2) REC / AAAA / BBBB (Pin 20)

Acr (Pin 17) Bcr (Pin 18) L M H REC-EQ Mode

L L TYPE L H TYPE II TYPE I TYPE I TYPE II H L TYPE H H TYPE

Line Amp (SW 1) B A REC ALC OFF OFF *1 REC-EQ Behind (SW 4) OFF ON ON Note: 1. Follow the position of REC-MUTE pin.

I

I II

TYPE

TYPE TYPE

I

II II

TYPE

TYPE TYPE

I

I I

TYPE

TYPE TYPE

I

I II

REC-MUTE (Pin 19) REC-EQ Before (SW 3) ALC

LActiveON HMUTEOFF

Control Pin Position Under the Open Case

Acr (Pin 17) L Bcr (Pin 18) L REC-MUTE (Pin 19) L REC / A / B (Pin 20) M

Rev.3, Jun. 1999, page 6 of 32

Test Conditions

(0.5dB)

V(DC SOURCE 1)

IL

V

0.3dB

V(DC SOURCE 1)

IM

V

IM

V

60dB

(dB)

V(AC VM2)

(0.5dB)

V(DC SOURCE 1)

IH

(RECAB)

V

IH

V

(REC-MUTE)

V(DC SOURCE 1)

IH

V

(Acr, Bcr)

HA12206NT

=20 log {V(AC VM2 / Vi)}

V

=I (DC SOURCE 3)

Q

V(AC VM2)

I

Measure

—

AC VM2

—

PBOUT

EQOUT

—

Ain

Bin

EQin

—

10kHz, –30dBs

1kHz, –26dBs

123

Q

I

Acr

4

Bcr

REC-MUTE

(dB)

V(AC VM2)

AC VM2

RPOUT

Bin

Ain

1kHz, –30dBs

5

RECAB

(dB)

V(AC VM2)

AC VM2

EQOUT

RPOUT

Ain

Bin

EQin

RECin

10kHz, –30dBs

1kHz, –26dBs

1kHz, –30dBs

234

Acr

Bcr

REC-MUTE

5

RECAB

=20 log {V(AC VM2) / V(AC VM1)}

V

G

AC VM1

AC VM2

RPOUT

Ain

1kHz, –30dBs

6

(1)

V

G

=20 log {V(AC VM2) / V(AC VM1)}

V

G

Vi=V(AC VM2) at SW5, SW6=REC

AC VM1

AC VM2

AC VM1

AC VM2

AC VM2 G

RPOUT

Bin

1kHz, –30dBs

10kHz, –30dBs

1kHz, –30dBs

7

8

9 RECin

(2)

(3)

V

G

(4)

V

G

Vo=V(AC VM2) at T.H.D=1% Vomax=20 log (Vo / 580mV)

AC VM2

RPOUT

Ain

1kHz

6

V

Vomax

400 to 30kHz BPF

Distortion

Analyzer

RPOUT

RPOUT5-2 THD(2)

RECin

1kHz, –30dBs

1kHz, –0.7dBs

9

6

Analyzer

Test No. Set No.Symbol SG. Input Output Other12-1

(VIL)

2-2

(VIM)

2-3

(VIH)

3-1

3-2

3-3

4

5-1 THD(1) Ain

3-4 G

Rev.3, Jun. 1999, page 7 of 32

HA12206NT

Test Conditions (cont)

=20 log {V(AC VM2) / 580mV} at DC VM=

S/N=20 log {580mV / V(Noise)} CCIR / ARM

CT=20 log {580mV / V(AC VM2)}

——AC VM2

RPOUT

——Ain

Input Output Measure

——1kHz, –18dBs*

69101112

S/N (1) S/N=20 log {580mV / V(Noise)} CCIR / ARM

S/N (2)

CT R/L

Test No. Set No.Symbol SG. Other

6-1

6-278910

ON

CT=20 log {580mV / V(AC VM2)}

ALC=20 log {V(AC VM2) / 580mV}

V

AC VM2

RPOUT

Ain/Bin

RECin

Ain

1kHz, –18dBs*

1kHz, –0.7dBs

5kHz

6

ONVOL

CT A/B

ALC

V

REC=20 log {V(AC VM2) / V(AC VM1)}

V

G

DC VM

AC VM2

EQout

RPOUT

EQout

Ain

EQin

1kHz, –30dBs

1kHz, –46dBs

8kHz, –46dBs

12kHz, –46dBs

6131313131313

REC N1

REC N2

REC N3

V

G

11

12-1

12-2

12-3

REC=20 log {V(AC VM2) / V(AC VM1)}

V

G

AC VM2

EQout

EQin

1kHz, –46dBs

8kHz, –46dBs

at T.H.D=1%

R-MUTE ATT=20 log {436mV / V(AC VM2)}

400 to 30kHz BPF

S/N=20 log {436mV / V(AC VM2)}

AC VM2

EQout

EQin

1kHz, –14dBs*

12kHz, –46dBs

AC VM2

EQout

EQin

1kHz

Noise

Distortion

Analyzer

EQout

EQout17 S/N REC 13

—

1kHz, –26dBs

—

Meter

13

REC C1

REC C2

REC C3

V

G

Vomax REC

13-1

13-2

13-3

15

16 THD REC 13 EQin

14 R-MUTE ATT 14 EQin

Note: or large level without dipping

Rev.3, Jun. 1999, page 8 of 32

Test Conditions (cont)

SW Position (Pre-Set for Each TEST)

4

–7V

3

–7V

–6V

HA12206NT

–6V

25V5V5V5V5V5V5V5V5V5V5V5V

CC

DC-SOURCE(V)

1

2.5V

0 to V

0 to VCC0 to VCC0 to VCC2.5V*1*1*12.5V

10MOFFLHMMLLHM

9LLLMLHHHHHHL

8LLMLLLLHLLLL

LMLLLLLLLLL

*1RPRPEQRPRPRPRPRPRPRP

67

5*1RPRPEQRPRPRPRPRPRPRPRP

5V5V5V

5V

2.5V*12.5V

2.5V

L⇔M

H

M

HLH

L

LLL

L

LLL

L

RP

EQEQRP

EQ

EQEQRP

EQ

2.5V

M

2.5V

M

*1*2*2*2*2*2*2*2*2

*1ABEQBABBRECAA⇔B

34

2*1ABEQBABB

SW-Position

1

OFF*2*2*2*2*2*2*2*2

Set No.1234567891011121513

L⇔R*2*2

RECAA⇔B

R⇔L*2*2

REC

*2

EQ

*2

*2*2*2

EQ

*2*2*2

14

EQ

A

EQ

16

2. Measured channel Lch or Rch

Note: 1. Either will do

Rev.3, Jun. 1999, page 9 of 32

HA12206NT

Functional Description

Power Supply Range

Table 1 Supply Voltage

Power Supply Range

Item V

CC

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 V

pin is open.

EE

V

EE

| VCC | – | VEE |

Therefore please use as V

pin become the lowest voltage of low impedance all the time. When power

EE

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

Pin No. Lo Mid Hi Unit Test Condition

17, 18, 19 0.0 to 1.0 — 4.0 to V

20 0.0 to 1.0 2.0 to 3.0 4.0 to V

V

CC

V

CC

Note: 1. Each pin is pulled down with 100kΩ internal resistor. 17 to 19 pins are low-level, 20 pin is mid-

level, when each pin is open.

2. Over shoot level and under shoot level of input signal must be the standardi ze d. (High: Less than V

, Low: More than –0.2V)

CC

Input Pin Measure

Rev.3, Jun. 1999, page 10 of 32