AD9898KCP-20 datasheet(4/52 Pages) AD

Part #	AD9898KCP-20

Description	CCD Signal Processor with Precision Timing??Generator

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Manufacturer	AD [Analog Devices]

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REV. 0

–4–

AD9898

(AVDD = 3.0 V, fCLI = 20 MHz, TMIN to TMAX, unless otherwise noted.)

ANALOG SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Comments

CDS

Allowable CCD Reset Transient

500

mV

Input Signal Characteristics

Maximum Input Range before Saturation

* 1.0

V p-p

Maximum CCD Black Pixel Amplitude

±100

mV

VARIABLE GAIN AMPLIFIER (VGA)

Maximum Output Range

2.0

V p-p

Gain Control Resolution

1024

Steps

Gain Monotonicity

Guaranteed

Gain Range

Low Gain

6

dB

Maximum Gain

40

dB

BLACK LEVEL CLAMP

Clamp Level Resolution

64

Steps

Clamp Level

LSB

LSB is measured at ADC output.

Minimum Clamp Level

0

LSB

Maximum Clamp Level

63

LSB

A/D CONVERTER

Resolution

10

Bits

Differential Nonlinearity (DNL)

±0.5

LSB

No Missing Codes

Guaranteed

Full-Scale Input Voltage

2.0

V

VOLTAGE REFERENCE

Reference Top Voltage (REFT)

2.0

V

Reference Bottom Voltage (REFB)

1.0

V

SYSTEM PERFORMANCE

Includes entire signal chain

Gain Accuracy

Low Gain (VGA Code = 20)

5

6

7

dB

Gain = (0.035

×Code) + 5.3 dB

Maximum Gain (VGA Code = 991)

39

40

41

dB

Peak Nonlinearity, 500 mV Input Signal

0.1

%

12 dB gain applied

Total Output Noise

0.3

LSB rms

AC grounded input, 6 dB gain applied

Power Supply Rejection (PSR)

40

dB

Measured with step change on supply

*Input signal characteristics defined as follows:

1V MAX

INPUT

SIGNAL RANGE

100mV MAX

OPTICAL

BLACK PIXEL

500mV TYP

RESET

TRANSIENT

Specifications subject to change without notice.

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AD9898KCP-20 Datasheet(PDF) 4 Page - Analog Devices

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