CXA2096 Sony Corporation, CXA2096 Datasheet

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CXA2096

Manufacturer Part Number
CXA2096
Description
Digital CCD Camera Head Amplifier
Manufacturer
Sony Corporation
Datasheet

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Description
head amplifier for digital CCD cameras. This IC
provides the following functions: correlated double
sampling, AGC for the CCD signal, A/D sample and
hold, blanking, A/D reference voltage, and an output
driver.
Features
• High sensitivity made possible by a high-gain AGC
• Blanking function provided for the purpose of
• Regulator output pin provided for A/D converter
• Built-in sample-and-hold circuits for camera signals
Absolute Maximum Ratings
• Supply voltage
• Operating temperature
• Storage temperature
• Allowable power dissipation
Operating Conditions
Applications
Structure
The CXA2096N is a bipolar IC developed as a
amplifier
calibrating the CCD output signal black level
reference voltage
required by external A/D converters
Supply voltage
DVC/still cameras for consumer use
Bipolar silicon monolithic IC
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.
Digital CCD Camera Head Amplifier
V
Topr
Tstg
P
V
CC
D
CC
1, 2, 3 3.0 to 3.6
–65 to +150
–20 to +75
417
11
– 1 –
mW
°C
°C
V
V
CXA2096N
24 pin SSOP (Plastic)
E97449B8Y

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CXA2096 Summary of contents

Page 1

... Digital CCD Camera Head Amplifier Description The CXA2096N is a bipolar IC developed as a head amplifier for digital CCD cameras. This IC provides the following functions: correlated double sampling, AGC for the CCD signal, A/D sample and hold, blanking, A/D reference voltage, and an output driver. Features • ...

Page 2

... SH2 SH3 CDS CLP2 DMSW2 DMSW1 CDS CLP1 POWER SAVE CONT AGC SHIFT V REF CAM SH OFFSET BLK SW DRV – 2 – CXA2096N BUF OB SW AGC CLP V RT DRV DRV ...

Page 3

... OFFSET 0 to 50µ 1.35V 50µA I CONT 3.2 to 6.4mA CAM signal – 3 – 3V) CC Description Ground. 60k 1.5V 30k Power saving mode. 5k 50µA Driver output for A/D converter capable of DC coupling. Dynamic range = 1Vp-p. 145 4 48 Power supply. CXA2096N ...

Page 4

... CXA2096N Description No connection; normally ground. 1.35V regulator output. Be sure to decouple this pin near the IC 7 pins to prevent the oscillation and external noise when this pin is not used. (Recommended capacitor value: 4.7µ ...

Page 5

... I 300µA 100µA 200µA CONT 300µA 100µA – 5 – CXA2096N Description 145 Camera signal 11 sample-and-hold pulse input. Clamp pulse used to clamp the optical black portion of the 12 camera signal after it passes through the AGC amplifier. AGC clamp capacitor. ...

Page 6

... CXA2096N Description Enables monitoring of 15 the SH3 output camera signal. Preset level sample- and-hold pulse input. 145 17 18 Data level sample- and-hold pulse input. Clamp pulse used to ...

Page 7

... CC Min. Typ. Max. Unit and 25.1 37.1 49.0 0 1.8 4.2 28.5 31.3 — — –0.8 1.4 27.1 32.1 — 800 970 — 900 960 — — — 2300 2340 2400 1300 1353 1400 950 988 1050 – 600 790 — CXA2096N ...

Page 8

... CAM SH OFFSET BLK SW DRV SW2 R1 400 4.7µ C6 40pF – 8 – V3 PL3 1 0.1µ BUF OB SW AGC CLP V RT DRV DRV PL6 PL5 PL4 4.7µ CXA2096N GND ...

Page 9

... Measurement Timing Chart PL4 (CLPOB) PL1 (CLPDM) PL6 (PBLK) V2 (DIN) Equivalent to CCD signal black level PL2 (SHD) PL3 (SHP) PL5 (XRS) 1H 2µs 1H 2µs 1H – 9 – CXA2096N 2.5V GND 2.5V GND 2.5V GND Different for each test 2.5V GND ...

Page 10

... REF CAM SH OFFSET BLK SW DRV 4.7µ – 10 – V AGCCONT 1 SHP BUF OB SW AGC CLP V RT DRV DRV OFFSET PBLK XRS CLPOB 4.7µF CXA2096N 0.1µF GND ...

Page 11

... DRVOUT output OPB interval Signal interval Signal level Basic black level [ 3] – 11 – Idle transfer Signal interval interval 2. 2.1V 2µs Black level 0.65V 2µs 0.65V 10µs 1.35V [ Approx 35mV when OFFSET = 0V RB Approx 100mV when OFFSET = 1.5V RB Applox. V when OFFSET = 3V RB CXA2096N ...

Page 12

... The voltage controlled by OFFSET is output as the DRV output DC offset via AGCCLP, DCSHIFT, CAMSH and BLKSW. When the OFFSET voltage is 1.5 to 3.0V, DRVOUT DC can vary in a linear fashion from V In addition, when the OFFSET voltage is 0V, DRVOUT DC is preset 4 35mV. RB – 12 – CXA2096N from 1.5 to AGCCONT + 100mV ...

Page 13

... POWER SAVE CONTROL: The PS pin is the power save pin; the operating state is enabled when this pin is High, while the power saving function operates when it is Low. is 3V. The IC's internal primary voltage is also generated CC voltage and CENT – 13 – CXA2096N and ...

Page 14

... OFFSET control supply voltage characteristics vs. Gain 3.0 3.5 [ OFFSET control temperature characteristics (V RB 3.0 – 14 – V vs. OFFSET OFFSET 140 Tc = 27°C 120 100 3. 1.0 2.0 3.0 V [V] OFFSET V vs. OFFSET OFFSET –20° +27° +75°C 150 100 1.0 2.0 3.0 V [V] OFFSET CXA2096N 3.5 ...

Page 15

... Tc vs. Vout = 3.0V, AGCCONT = 1.5V CC Input amplitude DIN = 870mVp-p Input amplitude DIN = 800mVp-p Input amplitude DIN = 750mVp-p Input amplitude DIN = 700mVp-p Input amplitude DIN = 600mVp-p DIN = 870mVp-p DIN = 800mVp-p DIN = 750mVp-p DIN = 700mVp-p DIN = 600mVp 100 Tc [° CXA2096N ...

Page 16

... SSOP(PLASTIC 0.65 + 0.1 b=0.22 – 0.05 (0.22) DETAIL B : SOLDER NOTE: Dimension “ ” does not include mold protrusion. PACKAGE STRUCTURE PACKAGE MATERIAL SSOP-24P-L01 LEAD TREATMENT SSOP024-P-0056 LEAD MATERIAL PACKAGE MASS – 16 – CXA2096N + 0.2 1.25 – 0.1 0.1 b=0.22 ± 0.03 DETAIL B : PALLADIUM EPOXY RESIN SOLDER/PALLADIUM PLATING 42/COPPER ALLOY 0.1g ...

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