Sony CXA1810AR, CXA1810AQ Datasheet

—1—
E94X24-TE
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage VCC 7V
Storage temperature Tstg –65 to +150 °C
allowable power dissipation
(when mounted on board)
PD CXA1810AQ 1050 mW
CXA1810AR 1010 mW
Operating Condition
Supply voltage VCC 4.75+0.5 to 4.75–0.25 V
Description
The CXA1810AQ/AR is an IC designed for 8mm
VCR Y/C main signal processing for consumer use.
Equipped with many built-in filters, the CXA1810AQ/AR is a one-chip main signal processing system that greatly reduces the number of external components.
Features
Built-in auto-adjusting filters
Supports Hi-8 video.
Supports camera recording.
Supports power saving mode.
140 mW for composite signal input 250 mW for separate signal input
Supports electronic volume (EVR) control.
Supports BUS LINE.
Supports NTSC/PAL.
Functions
2-input INPUT SELECT, VIDEO AGC, DDS (Y signal superimposition), synchronous separation, 75 VIDEO OUT DRIVE, Y/C mixing, Y/C separation comb filter, Y/C cross talk elimination, playback chroma feedback comb, Y dropout compensation, Yd playback switching, Y signal H correlation detection, Y pre-emphasis/de-emphasis, white/dark clipping, clipping compensation, MOD/DEMOD, HHS/HHS cancel, ACC, chroma emphasis/de­emphasis, burst emphasis/de-emphasis, XO/VXO, APC, AFC, APC ID, AFC ID, burst ID, ACK, APC compensation, HHK, PI/PS, frequency conversion system, PB C BPF, REC C LPF, PB C LPF, CARRIER BPF, 4.1 V regulator
Structure
Bipolar silicon monolithic IC
Luminance and Color Signal Processing for 8mm VCR
CXA1810AQ CXA1810AR
64 pin QFP (Plastic) 64 pin LQFP (Plastic)
CXA1810AQ/AR
—2—
CXA1810AQ/AR
Block Diagram and Pin Configuration
(CXA1810AQ)
S•REC +ACK•REC
S•REC +ACK•REC
BUS DECODER
HHK
AFC DET AFC ID
APC ID
1/8
APC DET
ACK BID DET
ACK CONT
ACK
BID FF
fo
AUTO
CAR CONV
1/N
CAR BPF
VXO XO
VCO
BF
CXA1810AQ
SWP
CAR. CONT
DEV. CONT
SMEAR. CONT
HHS
LPFDEMODLIM
LIM MOD
SYNC SEP
CLAMP
CLAMP
CLAMP
CLAMP
VIDEO AGC
AGC DET
VD/HD INSERT
Y MUTE
DDS
DOC TRAP
VCA 1
CLAMP 1
SYNC
ATT
ATT BPF
ATT
LIM
TRAP
EQ
EQ
fsc
TRAP
VCA 2
CLAMP 2 CLAMP 3
Sharpness
HPF
Y CORRE DET
NOISE CAN CELLER
W/D CLIP
SMEAR COMP
Y EMPH
Y DE EMPH
CLAMP
HARD CLIP
HHS CANCEL
SWP
CLIP COMP
PI PS
REC C LPF
REC CONV
BURST EMPH
BURST DEEMPH
CROMA EMPH
ACC AMP
CAR INV
PB C LPF
PB CONV
PB C BPF
ACC CONT
ACC DET
CROMA DEEMPH
SWP
ACK SW
SWP
ACK SW
C MUTE
INSEL
AGC OFF
ON
PB
S•REC+PB
REC
TEST2
REC
TEST2
TEST1
REC
PB
REC
PB
CAM REC
TEST1
REC
PB
TEST1
REC
PB
REC
PB
C SEL
REC
PB
REC
PB
S•REC
PB
EDIT
PB•ACK
NO CORR
S•REC
W•PB
PB
W•PB
DOP
W•PB
Yd PB
PB
Yd PB PB
REC
REC
W•PB
PB
REC
SHP THROU
E
PB+REC CORR
REC•(S+443+EDIT+NO CORR)
+
+ +
+
+
+ +
+
+
+
+ +
+
+
+
A
A
A
A
A
A
A
A
A
A
A
A
A
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20212223242526272829303132
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52 53 54 55 56 57 58 59 60 61 62 63 64
CLAMP
TC1
Y OUT
V OUT
GND
VIDEO
OUT
INV IN
RF/V
VCC
Y RF
OUT
RF GND
Y RF IN
SMEAR
CONT
DEV
CONT
CARR CONT
PB C IN
SWP
CS
SI
CK
D. O.
PULSE
APC
FL
Y IN
REC L/
JVD
V IN1
AGC TC1
V IN2
WDC
DDS/
MASK
V
CC
COMP
SYNC
DL IN1
AGC TC2
DL OUT1
CLAMP
TC2
DL OUT2
CLAMP TC3
DL IN2
AGC TC3
COMB ADJ
LIM C
Y COMB OUT
C TRAP
VG1
DEEMPH IN
COMP TC
REC C OUT
DEMOD OUT
NC TC IN
EMPH IN
SUB EMPH TC
MAIN EMPH TC
MAIN EMPH OUT
C EMPH CONT
AFC
FL
EXT
C IN
DC FB
I REF
GND
X TAL
IN
V REG
X TAL
OUT
CAM FSC
SHP
FSC
OUT
BF
VCO
C OUT
C IN
90° SHIFT
—3—
CXA1810AQ/AR
Block Diagram and Pin Configuration
(CXA1810AR)
CROMA
EMPH
S•REC
+ACK•REC
BUS DECODER
HHK
AFC DET
AFC ID
APC ID
1/8
APC
DET
90°
SHIFT
ACK BID
DET
ACK
CONT
ACK
BID
FF
fo
AUTO
CAR
CONV
1/N
CAR
BPF
VXO
XO
VCO
BF
CXA1810AR
SWP
CAR. CONT
DEV. CONT
SMEAR. CONT
HHS
LPFDEMOD
LIM
LIM
MOD
SYNC SEP
CLAMP
CLAMP
CLAMP
CLAMP
VIDEO
AGC
AGC DET
VD/HD
INSERT
Y MUTE
DDS
DOC TRAP
VCA 1
CLAMP 1
SYNC
ATT
ATT
BPF
ATT
LIM
TRAP
EQ
EQ
fsc
TRAP
VCA 2
CLAMP 2
CLAMP 3
Sharpness
HPF
Y CORRE DET
NOISE CAN CELLER
W/D CLIP
SMEAR COMP
Y EMPH
Y DE EMPH
CLAMP
HARD
CLIP
HHS CANCEL
SWP
CLIP COMP
PI
PS
REC C
LPF
REC
CONV
BURST
EMPH
BURST
DEEMPH
ACC
AMP
CAR
INV
PB C
LPF
PB
CONV
PB C
BPF
ACC
DET
CROMA
DEEMPH
SWP
ACK
SW
SWP
ACK
SW
C MUTE
INSEL
AGC OFF
ON
PB
S•REC+PB
REC
TEST2
REC
TEST2
TEST1
REC
PB
CAM REC
TEST1
REC
PB
TEST1
REC
PB
REC
PB
C SEL
REC
PB
REC
PB
PB
EDIT
PB•ACK
NO CORR
S•REC
W•PB
PB
W•PB
DOP
W•PB
Yd PB
PB
S•REC
+ACK•REC
Yd PB
PB
REC
REC
W•PB
PB
REC
SHP
THROU
E
PB+REC CORR
REC•(S+443+EDIT+NO CORR)
ACC
CONT
REC
PB
S•REC
+
+
+
+
+ +
+
+
+
–+
+
+
+
+ +
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17181920212223242526272829303132
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Y IN
REC L/
JVD
V IN1
AGC TC1
V IN2
WDC
DDS/
MASK
V
CC
COMP
SYNC
DL IN1
AGC TC2
DL OUT1
CLAMP
TC2
DL OUT2
CLAMP
TC3
DL IN2
CLAMP TC1
Y OUT
V OUT GND
VIDEO OUT
INV IN
RF/V V
CC
Y RF OUT
RF GND
Y RF IN
SMEAR CONT
DEV CONT
CARR CONT
PB C IN
SWP
CS
SI
CK
D. O.
PULSE
APC
FL
AFC
FL
EXT
C IN
DC FB
I REF
GND
X TAL
IN
V REG
X TAL
OUT
CAM FSC
SHP
FSC
OUT
BF
VCO
C OUT
C IN
C TRAPC TRAP
AGC TC3
COMB ADJ
Y COMB OUT
LIM C
VG1
DEEMPH IN
COMP TC
REC C OUT
DEMOD OUT
NC TC IN
EMPH IN
SUB EMPH TC
MAIN EMPH TC
MAIN EMPH OUT
C EMPH CONT
—4—
CXA1810AQ/AR
Pin Description
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Chroma emphasis f0 (center frequency) adjustment. (Refer to item 7 on Description of Operation.)
Main emphasis and main de­emphasis time constant. When recording, the emphasized Y signal prior to white/dark clipping is output.
Main emphasis and main de­emphasis time constant. Apply an external constant between this pin and Pin 2, as shown below.
HPF time constant that forms sub emphasis and sub de­emphasis. Add resistance between this pin and Pin 11.
During recording, Y emphasis input. During playback, this signal to the noise canceler is input. Performs diode clamping (sync tip clamping), with the clamp capacitance attached externally.
25µA
150
1
1mA
150
2
4k
100
3
100
4
100
150
5
1 C EMPH
CONT
2 MAIN
EMPH OUT
3 MAIN
EMPH TC
4 SUB
EMPH TC
5 EMPH IN
Control range:
1.8V to 3.8V
2.05V (sync tip level)
2.05V (when time constant connected)
2.05V (when time constant connected)
2.05V (sync tip level)
250mVp-p
output
500mVp-p
input
2 3
VG1
11
4
—5—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Connects external time constant for HPF of noise canceler. (Refer to item 11 on Description of Operation.)
Y signal output that has been FM demodulated and has passed though the DEMOD LPF.
During recording, a chroma signal that has been burst emphasized, chroma emphasized, and frequency converted is output. During ACK, the output DC goes to 0V. During recording, if TEST1 is High the burst emphasized signal is output. Connects external time constant for HPF of the white/dark clipping compensation circuit during playback.
Input for de-emphasis circuit during playback. The signal is input to the de-emphasis circuit through the clipping compensation circuit.
150
6
1mA
63
7
SAT
200
4k
8
150
9
5k
150
2.05V
10
6 NCTC IN
7 DEMOD
OUT
8 REC C
OUT
9 COMP TC
10 DEEMPH
IN
2.05V (when time constant connected)
1.6V
2.0V
2.05V (when time constant connected)
2.05 V (center DC)
140mVp-p output during standard playback
Low­frequency conversion chroma signal 300mVp-p output
180mVp-p input during playback
VG1
9
11
Input
VG1
6
11
—6—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Internal reference voltage source. (Can not be used as external bias for Pins other than 4, 6, and 9.)
Outputs chroma signal that has passed through PB C BPF and chroma feedback comb filter subtracter after frequency conversion during playback.
Connects decoupling capacitor for limiter of the playback Y comb block.
Outputs Y signal processed by comb filter. During playback, the signal is output through the sharpness circuit. If mode E is set High, the signal is output without passing through the f sc Trap; if mode SHP THRU is set High, the signal is output without passing through the sharp
-ness circuit. VCA gain adjustment in the comb filter block. (Refer to Adjustment Procedure.)
150
3k
2.5k
11
150
300
0.6mA
270
12
150
150
10k
10k
13
1.4mA
150
14
150
15
11 VG1
12 C TRAP
13 LIM C
14 Y COMB
OUT
15 COMB ADJ
2.05V
2.05V
2.4V
1.2V (sync tip level)
Control range: 1.8V to Vcc
Chroma signal 300mVp-p output during playback
Y signal 500mVp-p output
—7—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Time constant for VCA circuit in comb filter block. A DC limiter circuit with an upper limit of 4.0V and a lower limit of 2.2V is built in.
Connection for inputting the playback Y signal to the CCD DL in a system using two CCD delay lines. When using this pin, connect 2.2kresistance to GND.
Time constant for feedback clamp circuit in the comb filter block.
Inputs CCD DL (delay line) output signal to the VCA circuit.
Time constant for feedback clamp circuit in the comb filter block.
150
150
16
150
150
17
150
150
18
40k
150
2.1V
19
150
150
20
16 AGC TC3
17 DL IN2
18 CLAMP
TC3
19 DL OUT2
20 CLAMP
TC2
2.2V to 4.0V
2.2V (when resistance connected)
2.1V (center DC)
Video 500mVp-p output
Video 500mVp-p input
—8—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Inputs CCD DL (delay line) output signal to VCA circuit.
Time constant for VCA circuit in the comb filter block. A DC limiter circuit with an upper limit of 4.0V and a lower limit of 2.2V is built in.
Output for inputting a signal to the CCD DL (delay line). Normally, Y+C signal is output. During playback, when the CCD DL connected to this pin is used for comb filter processing of just the C signal, C signal with quasi sync is output. Composite sync signal output. No output if mode SYNC SEP OFF is set High.
Main block power supply.
40k
150
2.1V
21
150
150
22
1mA
150
150
23
1H
2.5V 0
270
20k
20k
5k
270
50k
24
21 DL OUT1
22 AGC TC2
23 DL IN1
24 COMP
SYNC
25 VCC
2.1V (center DC)
2.2V to 4.0V
2.2V
High : 2.5V, Low : 0V output
VCC=4.75V
Video 500mVp-p input
Video 500mVp-p output
—9—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Input for VOW (character level) signal, VOB (character background) timing pulse of DDS (date display system) and masking timing pulse.
MASK : VTH = 1.1V
DDS : VTH = 2.0V By varying the input DC for DDS over a range of 2.3V to
3.0V, the character level can be changed. (Refer to item 4 on Description of Operation.)
Determines the white/dark clipping levels. During open, the standard white clipping level is 235%, and the dark clipping level is 95%. (Mode DC1, 2 = Low, High) (Refer to item 5 on Description of Operation.) Video signal input. Performs diode clamping, with the clamp capacitance externally connected. If the mode MUTE is set High, the charge of the clamp capacitance is discharged.
Time constant for the video AGC circuit in the I/O block. During mute and playback, the charge of the external capacitance is discharged.
150
45k
15k
2.0V
1.1V
16k
26
150
2.05V
10k
4.1V
30k
27
270
100nA
4µA
28
MUTE ON
100
1k
47k
29
MUTE ON PB ON
26 DDS/MASK
27 WDC
28 V IN2
29 AGC TC1
2.0V (when open) (MASK)
1.5V (DDS)
2.3 to 3.0V
2.6V (when open)
2.05V (sync tip level)
Video 500mVp-p input
—10—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Video signal input. Performs diode clamping, with the clamp capacitance externally connected. If the mode MUTE is set High, the charge of the clamp capacitance is discharged.
Level adjustment during recording. The adjustment range is 1.3V to 2.6V. During playback, serves as input for JOG (variable speed playback) VD pulse and HD pulse. VTH = 2.7V (Refer to item 3 on Description of Operation.) Video signal input for video out circuit. Performs diode clamping, with the clamp capacitance externally connected.
Time constant for feedback clamp circuit in I/O block.
I/O block signal output.
270
100nA
4µA
30
MUTE ON
150
31
270
100nA
32
100
100
33
3k
150
3.4k
27k
2.05V
34
30 V IN1
31 REC L/JVD
32 Y IN
33 CLAMP TC1
34 Y OUT
2.05V (sync tip level)
1.9V (Typical value during REC LEVEL adjustment)
1.6V (sync tip level)
1.8V (sync tip level)
Video 500mVp-p input
Video 500mVp-p input
Video 500mVp-p output
—11—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
GND for the video out circuit.
Video out 75driver output.
Inverted input for V sag compensation for the video out 75driver.
Video out circuit and RF system block power supply.
During recording, FM­modulated Y signal output. If mode TEST2 is set High during recording, the Y signal after white/dark clipping is output.
RF system block GND.
During playback, inputs Y-RF signal to FM modulation circuit.
During recording, high luminance smear compensation, is performed. This pin also controls the signal level for FM modulation circuit.
100
38
37
36
35
2.5mA
6363
39
45k
150
10p
41
150
42
35 VOUT GND
36 VIDEO
OUT
37 INV IN
38 RF/V VCC
39 Y RF OUT
40 RF GND
41 Y RF IN
42 SMEAR
CONT
0V
1.6V (sync tip level)
1.5V
VCC=4.75V
2.1V
0V
Control range:
1.8V to Vcc
Video
2.0Vp-p output
Video
1.0Vp-p input
Y FM output
500mVp-p
YFM 200mVp-p input
—12—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
During recording, adjustment for deviation of Y-FM modulation.
During recording, adjustment for carrier of Y-FM modulation.
During playback, chroma RF signal input. PB C LPF is built in, so that a signal with the AFM and ATF components (Y RF + C RF) eliminated can be input.
RF SWP (switching pulse) and HCHG (head change) pulse input. Half H shift, HHS cancel, ACC channel hold, and PI/PS switching operate at VTH = 0.7V. Yd playback during playback operates at VTH = 2.05V (same as when mode Yd is High). Input to BUS DECODER. CS is used as chip select, and data is latched at rising edge. CK is the clock input. Use a clock frequency fck of less than 1.3MHz. SI is used as a serial input and serial data is input.
15043150
44
50k
150
3.1V
45
150
46
150
2.05V
47 48 49
43 DEV CONT
44 CARR
CONT
45 PB C IN
46 SWP
47 CS
48 SI
49 CK
Control range:
1.8V to Vcc
Control range:
1.8V to Vcc
3.1V (during playback)
High : Vcc, Low : 0V input
(PB Y RF)
+ (PB C RF 100mVp-p) input
—13—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Drop out pulse input.
VTH = 2.05V If the drop out pulse is input, the signal prior to 1H is output for the Y system and the APC and ACC system errors are held for the C system.
Connects an APC external filter.
Connects an AFC external filter.
During recording, the chroma signal is input. When the typical level is 75% color bar input, the input signal is 314mVp-p.
Connects a DC feedback external filter for a non­adjustment VCO.
150
2.05V
100k
50
51
200
PB ON
52
200
200
50k
150
2.6V
53
200 200
200
54
50 D.O.PULSE
51 APC FL
52 AFC FL
53 EXT C IN
54 DCFB
High : 3.1V, Low : 0V input
2.25V (typ.) during lock
2.25V (typ.) during lock
2.6V
2.25V (typ.) during lock
(Chroma signal 314mVp-p input
—14—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
External reference current source. Connect external resistance of 18kto GND. Be careful concerning pin cross talk.
Main block GND.
Crystal oscillation reference input. Be careful concerning pin cross talk and the floating capacitance.
4.1V regulator output.
Crystal oscillation reference output. Connects the crystal between this pin and Pin 57.
Subcarrier input during camera recording. 200mVp-p(min). Sharpness control during playback.
20k
55
4k
2V
270
270
2V
57
PB ON
58
100
15k
310
540µA
59
200
60k
9p
60
55 I REF
56 GND
57 XTAL IN
58 VREG
59 XTAL OUT
60 CAM FSC
SHP
1.8V (when resistance connected)
0V
2.0V
4.1V
3.1V
Sharpness control range:
1.8V to VCC
260mVp-p (NTSC) during playback
340mVp-p (NTSC) during playback
—15—
CXA1810AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit Description
No. DC AC
Subcarrier output. This subcarrier is used for the CCD delay line clock frequency.
Burst flag and VCO OUT output for testing. When using this pin, connect 3.3k resistance to GND. Serves as VCO output when mode TEST2 is High.
During recording, outputs chroma signal after Y/C separation or for chroma signal input from Pin 53. During playback, the playback chroma signal is output. During ACK, the output DC becomes 0V. Inputs chroma signal to Y/C MIX circuit in the I/O block. During component signal recording or playback, this signal is Y/C mixed and is then output from V OUT.
0.5mA
200
61
20046k
9p
54k
SAT
62
200
2k
100k
63
28k
2.05V
64
61 FSC OUT
62 BF VCO
63 C OUT
64 C IN
2.2V
During BF output
High : 1.8V, Low : 0V Low during BF interval
2.0V
2.05V
NTSC 600mVp-p PAL 450mVp-p
550mVp-p during VCO output
Chroma signal 314mVp-p output (during recording)
Chroma signal 314mVp-p input
Input conditions Control DC Ratings
—16—
CXA1810AQ/AR
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Measurement item
Composite signal input
Current consumption
during recording
Separate signal input
Current consumption
during recording
Composite signal input
Current consumption in
power saving mode
Separate signal input
Current consumption in
power saving mode
Current consumption
during playback
Internal reference voltage
source 1
Internal reference
voltage source 1
(V
CC–)
Internal reference
voltage source 1
(V
CC+)
Internal reference
voltage source 2
Reference current
source
SYNC AGC
input Low level
SYNC AGC
input High level
PEAK AGC
Symbol
I
REC1
IREC2
IPS1
IPS2
IPB
VREG
VREG–
VREG+
VG1
IREF
VAGCL
VAGCH
VAGCP
e
f
g
SG30
Amplitude
Frequency
Voltage
SW30
A
C
D
E
F
A
A
A
A
A
B
I
1
I1
I1
I1
I1
P58
P58
P58
P11
P55
P34
Measurement method
V
CC=4.75V, voltage at Pin 58 :VREG
VCC=4.5V, voltage at Pin 58 :VREG1
VREG–=VREG1–VREG
VCC=5.25V, voltage at Pin 58 :VREG2
VREG+=VREG2–VREG
Voltage at Pin 11
IREF=(voltage at Pin 55 )/18k
Measures the output SYNC level.
Measures the output amplitude level.
Min.
63
55
20
35
68
3.90
–12
1.95
94
Typ.
88
78
30
53
94
4.13
–1
+1
2.08
100
143
143
550
Max.
113
100
40
70
120
4.36
+12
2.21
106
Unit
mA
mA
mA
mA
mA
V
mV
mV
V
µA
mV
mV
mV
Electrical Characteristics VCC = 4.75V, Ta = 25°C, see Electrical Characteristics Measurement Circuit and BUS DECODER Mode Condition Table.
Start measurements after adjustments in accordance with the Precautions Concerning Measurements.
)
Video AGC
Signal
Signal
source
Voltage
source
SW Mode Measu-
set to condi- rement
ON tions point
<Current consumption, reference bias source>
<Y recording>
(
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