ADA4945-1ACPZ-R7 datasheet(7/57 Pages) AD

номер детали	ADA4945-1ACPZ-R7

подробное описание детали	High Speed, ±0.1 μV/˚C Offset Drift, Fully Differential ADC Driver

PDF	57 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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7 / 57 page

Data Sheet

ADA4945-1

analog.com

Rev. A

7 of 57

(SUPPLY VOLTAGE (VS) = 10 V Output common-mode voltage (VOCM) = midsupply, Gain (G) = 1, feedback resistance

(RF) = gain resistance (RG) = 499 Ω, differential load resistance (RL,dm) = 1 kΩ, and TA = 25°C, unless otherwise

noted. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Refer to

Figure 98 for circuit definitions.)

PARAMETER

SYMBOL

TEST

CONDITIONS/COMMENTS

FULL POWER MODE

LOW POWER MODE

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

Input Offset

Current Drift

IOS_TC

TA = 20°C to 85°C

±0.1

±0.6

±0.06 ±0.38

nA/°C

TA = −40°C to +125°C

±0.12 ±0.7

±0.07 ±0.4

nA/°C

Input Common-

Mode Voltage

Range

VCM

−VS

+VS

− 1.3

−VS

+VS

− 1.3

Input Resistance

RIN, DIFF

Differential

kΩ

RIN, CM

Common mode

MΩ

Input Capacitance

CIN

Common-Mode

Rejection Ratio

CMRR

VCM = 0.5 V to 8.7 V

-110

Open-Loop Gain

AOL

Output voltage (VOUT) =

±4 V

120

115

OUTPUT CHARACTERISTICS

Output Voltage

Swing

VOUT

Load resistance (RL) = 100

Ω for each single-ended

output

−VS

0.55

+VS

−

0.55

−VS

0.55

+VS

−

0.55

RL = 1 kΩ

−VS

+0.1

+VS

−0.1

−VS

+0.1

+VS

−0.1

Short-Circuit

Current

ISC

170

140

peak

Output Balance

Error

f = 100 kHz,

ΔVOUT,cm/ΔVOUT,dm

100

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