ADA4945-1ACPZ-R2 datasheet(9/44 Pages) AD

номер детали	ADA4945-1ACPZ-R2

подробное описание детали	High Speed Offset Drift Fully Differential ADC Driver

PDF	44 Pages

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производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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9 / 44 page

Data Sheet

ADA4945-1

Rev. 0 | Page 9 of 44

VOCM to VOUT,cm Performance

Table 5.

Full Power Mode

Low Power Mode

Parameter

Test

Conditions/Comments

Min

Typ

Max

Min

Typ

Max

Unit

VOCM DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth

VOUT, cm = 20 mV p-p

MHz

−3 dB Large Signal Bandwidth

VOUT, cm = 2 V p-p

3.8

1.3

MHz

Slew Rate

VOUT, cm = 2 V p-p

V/µs

Input Voltage Noise

f = 100 kHz

nV/√Hz

Gain

ΔVOUT, cm/ΔVOCM,

ΔVOCM = ±1 V

0.99

1.01

0.99

1.01

V/V

VOCM CHARACTERISTICS

Input Common-Mode Voltage

Range

−VS + 0.4

+VS − 1.4

−VS + 0.4

+VS − 1.4

Input Resistance

125

kΩ

Offset Voltage

VOS, cm = VOUT, cm − VOCM,

VIP = VIN = VOCM = 0 V

25°C

±10

±60

±10

±60

TA = 20°C to 85°C

±10

TA = −40°C to +125°C

±20

Input Offset Voltage Drift

TA = 20°C to 85°C

±5

µV/°C

TA = −40°C to +125°C

±10

µV/°C

Input Bias Current

TA = 25°C

−220

−160

µA

TA = 20°C to 85°C

−300

−205

µA

TA = −40°C to +125°C

−350

−230

µA

Input Bias Current Drift

TA = 20°C to 85°C

−1.3

−0.75

µA/°C

TA = −40°C to +125°C

−1.5

−1.0

µA/°C

CMRR

ΔVOS,dm/ΔVOCM,

ΔVOCM = ±1 V

−130

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