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A1 PROs

Ai4402

Ver1.0
A1 PROs
Ai4402
Signal Processor for CCD Monochrome Camera
Description
The Ai4402 is designed to perform the basic signal processing in CCD monochrome camera through a single chip. This bipolar IC is most suitable for compact usage and low power consumption.
Pin Configuration
SHP OP OUT AGC CONT Vcc1 AGC MAX DET OUT AGC OUT IN CLP LINEAR SYNC DRIVER IN GND2 GND1 DC CONT WC CONT SAG OUT OP IN+ OP INDATA SHD
CLP2 GND3 IRIS IRIS CLP BLK CLP1 Vcc2 VIDEO
Feature
Ai4402
Application
CCD monochrome camera
32 PIN TQFP
(Top view)
Operating Conditions
Symbol Vcc Parameter Supply Voltage Rating 4.75 ~ 5.25 Unit V
Block Diagram
OP OUT
DATA 22 GND3 26 IRIS 27 Vcc1 15 GND1 3
IRIS LINEAR CLP
OUT DRIVE IN
CLP1 BLK
18 OP19 OP+ 13 DET OUT 31 VCC2
7 CLP1 WC
DC BLK SYNC DRIVE
32 VIDEO 1 2
SAG GND2
WC DC SYNC CLP1 BLK CONT CONT
Ai4402
Pin Description
NO. Symbol I / O signal Equivalent circuit
Description
Inputs VIDEO OUT through capacitor
Input pin of sag compensation signal
GND2 GND1
GND for driver and IRIS GND for other than driver and sample hold and IRIS
Sync pulse input pin (active at LO)
Dark clip level adjusting pin GND 5 DC CONT 2 to 3.5V
Turns to preset mode 1
Control mode
Turns to preset mode 2 White clip level adjusting pin
WC CONT
Preset mode
Control mode
External applied voltage
Ai4402
Symbol
I / O signal
Equivalent circuit
Description
DRIVE IN
Input pin to driver
LINEAR
DC 1.8V
Capacitor connecting pin for gamma input clamp
External applied voltage
Ai4402
Symbol
I / O signal
Equivalent circuit
Description
Input DC permissible range DC2 to 3V
Input pin of the gamma compensation circuit
AGC OUT Vpp MAX 1300mV Vpp TYP 500mV DC 2.55V
Output pin of signal passed through AGC
DET OUT MAX 1500mV TYP 500mV DC 2V
Output pin of AGC detection signal
AGC MAX
Maximum gain setting pin of AGC amplifier
Power supply for other than driver and IRIS External applied voltage
Ai4402
Symbol
I / O signal
Equivalent circuit
Description
AGC CONT
Gain control pin of AGC amplifier
OP OUT
Output pin of the operational amplifier
Inverted input pin of the operational amplifier
OP IN+
Non inverted input pin of the operational amplifier (AGC detection signal input pin)
External applied voltage
Ai4402
Symbol
I / O signal
Equivalent circuit
Description
SHD HI : 4.5V and above LO : 0.5V and below T : 15ns and above
Input pin of the sample hold pulse (active at HI)
DATA · MAX 800mV , MAX 800mV
CCD signal input pin
PG · MAX 800mV , MAX 800mV
CCD signal input pin
SHP HI : 4.5V and above LO : 0.5V and below T : 15ns
Input pin of the sample hold pulse (active at HI)
External applied voltage
Ai4402
Symbol
I / O signal
Equivalent circuit
Description
CLP2 pulse input pin (active at HI)
Sample hold GND
IRIS DC 1.3V
Output pin of the IRIS control signal
IRIS CLP
Capacitor connecting pin for IRIS output clamp
BLK pulse input pin (active at LO)
External applied voltage
Ai4402
Symbol
I / O signal
Equivalent circuit
Description
CLP1 pulse input pin (active at HI)
Driver and IRIS power supply
VIDEO BLK level 1.5V
VIDEO signal output pin
External applied voltage
Ai4402
530 630 730 mV 580 680 780 mV 1.5 1.8 8 1.1 5.7 2.6 2.0 10 1.3 6.0 3.5 2.2 12 1.5 6.3 dB V dB V dB
270 293 316 mV
Characteristics value at DRIVER GAIN item
Ai4402
Electrical Characteristics Test Circuit
5V 0.1
24 SHP 23 PG
5V 0.1
22 DATA 21 SHD 20 NC 19 OP IN+ 18 OP IN-
17 OP OUT
25 CLP2 26 GND3 V 27 IRIS 28 IRISCLP 29 BLK 30 CLP1
AGC CONT 16
(5V) 5V
VCC1 15 AGCMAX 14 DETOUT 13 AGCOUT 12 IN 11
A 31 VCC2 GND2 GND1 SYNC 32 VIDEO DRIVERIN DC CONT WCCONT CLP 10 LINEAR 9 OUT
(0V) (0V)
Ai4402
Test Circuit I / O Waveform Diagram
Input pin 2.4V 22. DATA 11. IN 2.5V 7. DRIVER IN 2.7V 4. SYNC 5V 5µs 0V 29. BLK 5V 0V 5V 30. CLP1 0V 2µs 5V 25. CLP2 0V 15µs 50µs
Input level Input level
Input waveform
Input level
Output pin Output waveform 8. 1, 2 OUT
9. LINEAR
12. AGC OUT
13. DET OUT
27. IRIS
32. VIDEO
Test SYNC level
Ai4402
Application Circuit
KDS226
10K 1KVR
1M 0.1
24 SHP 23 PG 22 DATA
21 SHD 20 NC 19 OP IN+ 18 OP IN17 OP OUT
2.2K 271p
25 CLP2 26 GND3
AGC CONT 16 VCC1 15
15K 33K
IRIS DET.
27 IRIS 28 IRISCLP 29 BLK
AGCMAX 14 DETOUT 13
Ai4402
AGCOUT 12 IN 11 CLP 10 DRIVERIN +
2.2K 5V
30 CLP
12µ 22p
31 VCC2 GND2 GND1 SYNC 32 VIDEO + DC CONT WCCONT
OUT LINEAR 9
75 Video out.
Timing Gen. (Ai5412)
· Capacitance unit : µF · Resistor unit :
Ai4402
Fig.1 - AGC control characteristics Fig.2 - AGC MAX control characteristics
30 GAIN (dB) GAIN (dB) 20 10 0 -10 1 2 3 4 AGC CONT (V) 5
Fig.3B - 2 I / O characteristics
Fig.3A - 1 I / O characteristics
1000 1 output level (mV)
1000 2 output level (mV) 500 1000 IN input level (mV)
Fig.4 - White Clip control characteristics
0 500 1000 IN input level (mV)
Fig.5 - Dark clip control characteristics
1000 White clip level (mV) 800 600 400 0 1 2 3 4 WC CONT (V) 5 Set up level (mV)
Preset
Preset Preset
Ai4402
Package Outline
0.05 0.10 C 0.10 -C0.8BSC # 0.37+0.08
9.00BSC
7.0BSC
DATUM PLANE
-D(3.5) 7.0BSC 9.00BSC
0.20 H A-B D 0.20 C A-B D
0.2MIN
0.MIN
DETAIL " A "
Note ) 1. DIMENSION MARK DOES NOT INCLUDE MOLD FLASH 2. DIMENSION # DOES NOT INCLUDE DAMBAR PROTRUSION 3. UNSPECIFIED IS ACCORDING TO JEDEC MO-136, VARIATION "BE"
.08 MIN
20 -0. .08 O
1.50MAX