AD9937 データシートの表示（PDF） - Analog Devices

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AD9937

CCD Signal Processor with Precision Timing™ Generator

Analog Devices 

AD9937

ANALOG SPECIFICATIONS (AVDD = 3 V, fCLI = 12 MHz, –25؇C to +85؇C, unless otherwise noted.)

Parameter

Min

Typ

Max Unit

Notes

CDS

Allowable CCD Reset Transient

500

Max Input Range before Saturation

1.0

Max CCD Black Pixel Amplitude

± 100

mV

V p-p

mV

Input signal characteristics.*

VARIABLE GAIN AMPLIFIER (VGA)

Max Output Range

2.0

Gain Control Resolution

Gain Monotonicity

Gain Range

Low Gain (VGA Code 0)

Max Gain (VGA Code 1023)

40

10

Guaranteed

5.3

41.1

V p-p

Bits

dB

dB

BLACK LEVEL CLAMP

Clamp Level Resolution

Clamp Level

Min Clamp Level

Max Clamp Level

255

0

63.75

Steps

LSB

LSB

LSB measured at ADC output.

A/D CONVERTER

Resolution

Differential Nonlinearity (DNL)

No Missing Codes

Full-Scale Input Voltage

10

Bits

± 0.4

± 1.0 LSB

Guaranteed

2.0

V

VOLTAGE REFERENCE

Reference Top Voltage (REFT)

2.0

V

Reference Bottom Voltage (REFB)

1.0

V

SYSTEM PERFORMANCE

Gain Accuracy

Low Gain (VGA Code 17)

5

6

Max Gain (VGA Code 1023)

40.2

41.2

Peak Nonlinearity, 500 mV Input Signal

0.1

Total Output Noise

0.3

Power Supply Rejection (PSR)

40

Includes entire signal chain.

7

dB

Gain = (0.035 × Code) + 5.4 dB

42.2 dB

%

12 dB gain applied.

LSB rms AC ground input, 6 dB gain applied.

dB

Measured with step change on supply.

*Input signal characteristics defined as follows:

500mV TYP

RESET

TRANSIENT

100mV MAX

OPTICAL

BLACK PIXEL

1V MAX

INPUT

SIGNAL RANGE

Specifications subject to change without notice.

–4–

REV. 0

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