ADA4922-1ACPZ-R2 datasheet(4/20 Pages) AD

No. de pieza	ADA4922-1ACPZ-R2

Descripción Electrónicos	High Voltage, Differential 18-Bit ADC Driver

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Data Sheet

ADA4922-1

Rev. A | Page 3 of 19

SPECIFICATIONS

VS = ±12 V, TA = 25°C, RL = 1 kΩ, DIS = high, CL = 3 pF, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

–3 dB Bandwidth

G = +2, VO = 0.2 V p-p, differential

34

38

MHz

G = +2, VO = 40 V p-p, differential

6.5

7.2

MHz

Overdrive Recovery Time

VS+ + 0.5 V to VS− − 0.5 V; +recovery/−recovery

180/330

ns

Slew Rate

VO, dm = 2 V step

260

V/µs

VO, dm = 40 V step

730

V/µs

Settling Time to 0.01%

VO, dm = 40 V step

580

ns

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion

fC = 5 kHz, VO = 40 V p-p, RL = 2 kΩ, HD2/HD3

−116/−109

dBc

fC = 100 kHz, VO = 40 V p-p, RL = 2 kΩ, HD2/HD3

−99/−100

dBc

Differential Output Voltage Noise

f = 100 kHz

12

nV/√Hz

Input Current Noise

f = 100 kHz

1.4

pA/√Hz

DC PERFORMANCE

Differential Output Offset Voltage

0.35

1.1

mV

Differential Output Offset Voltage Drift

14

µV/°C

Input Bias Current

1.8

3.5

µA

Gain

2

V/V

Gain Error

−0.05

%

Gain Error Drift

0.0002

%/°C

INPUT CHARACTERISTICS

Input Resistance

11

MΩ

Input Capacitance

1

pF

Input Voltage Range

±10.7

V

OUTPUT CHARACTERISTICS

Output Voltage Swing

Each single-ended output, RL = 1 kΩ

±10.65

±10.7

V

DC Output Current

40

mA

Capacitive Load Drive

30% overshoot

20

pF

POWER SUPPLY

Operating Range

5

26

V

Quiescent Current

9.4

10.1

mA

Quiescent Current (Disabled)

1.5

2.0

mA

Power Supply Rejection Ratio (PSRR)

−PSRR

−89

−80

dB

+PSRR

−91

−83

dB

DISABLE

DIS Input Voltage Threshold

Disabled

≤ −11

V

Enabled

≥ −9

V

Turn-Off Time

160

µs

Turn-On Time

78

ns

DIS Bias Current

Enabled

DIS = −9 V

114

µA

Disabled

DIS = −11 V

−125

µA

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