AD9943(RevC) 데이터 시트보기 (PDF) - Analog Devices

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AD9943
(Rev.:RevC)

Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors

Analog Devices 

Data Sheet

SPECIFICATIONS

GENERAL SPECIFICATIONS

TMIN to TMAX, AVDD = DVDD = DRVDD = 3 V, fSAMP = 25 MHz, unless otherwise noted.

Table 1.

Parameter

TEMPERATURE RANGE

Operating

Storage

POWER SUPPLY VOLTAGE

Analog, Digital, Digital Driver

POWER CONSUMPTION

Normal Operation

Power-Down Mode

MAXIMUM CLOCK RATE

Min

Typ

−20

−65

2.7

79

150

25

AD9943/AD9944

Max

Unit

+85

°C

+150

°C

3.6

V

mW

µW

MHz

DIGITAL SPECIFICATIONS

DRVDD = DVDD = 2.7 V, CL = 20 pF, unless otherwise noted.

Parameter

LOGIC INPUTS

High Level Input Voltage

Low Level Input Voltage

High Level Input Current

Low Level Input Current

Input Capacitance

LOGIC OUTPUTS

High Level Output Voltage, IOH = 2 mA

Low Level Output Voltage, IOL = 2 mA

Symbol

VIH

VIL

IIH

IIL

CIN

VOH

VOL

Min

Typ

Max

Unit

2.1

V

0.6

V

10

µA

10

µA

10

pF

2.2

V

0.5

V

AD9943 SYSTEM SPECIFICATIONS

TMIN to TMAX, AVDD = DVDD = DRVDD = 3 V, fSAMP = 25 MHz, unless otherwise noted.

Table 2.

Parameter

CDS

Maximum Input Range before Saturation1

Allowable CCD Reset Transient1

Maximum CCD Black Pixel Amplitude1

VARIABLE GAIN AMPLIFIER (VGA)

Gain Control Resolution

Gain Monotonicity

Gain Range

Minimum Gain

Maximum Gain

Min Typ

1.0

500

100

1024

Guaranteed

5.3

40 41.5

Max Unit

V p-p

mV

mV

Steps

dB

dB

BLACK LEVEL CLAMP

Clamp Level Resolution

Clamp Level

Minimum Clamp Level

Maximum Clamp Level

256

0

63.75

Steps

LSB

LSB

Conditions

See input waveform in footnote.

See Figure 13 for VGA gain curve.

See Variable Gain Amplifier section for VGA

gain equation.

Measured at ADC output.

Rev. C | Page 3 of 20

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