ADA4691-2ACBZ-R7 datasheet(3/19 Pages) AD

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Data Sheet

ADA4691-2/ADA4691-4/ADA4692-2/ADA4692-4

Rev. E | Page 3 of 19

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS—2.7 V OPERATION

Supply voltage (VSY) = 2.7 V, common-mode voltage (VCM) = VSY/2, TA = 25°C, unless otherwise specified.

Table 2.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

VCM = −0.3 V to +1.6 V

0.5

2.5

Dual (ADA469x-2)

VCM = −0.1 V to +1.6 V; −40°C < TA < +125°C

3.5

Quad (ADA469x-4)

VCM = −0.1 V to +1.6 V; −40°C < TA < +125°C

4.0

Offset Voltage Drift

ΔVOS/ΔT

−40°C < TA < +125°C

µV/°C

Input Bias Current

0.5

−40°C < TA < +125°C

360

Input Offset Current

IOS

−40°C < TA < +125°C

225

Input Voltage Range

−40°C < TA < +125°C

−0.3

+1.6

Common-Mode Rejection Ratio

CMRR

VCM = −0.3 V to +1.6 V

VCM = −0.1 V to +1.6 V; −40°C < TA < +125°C

Large Signal Voltage Gain

AVO

Load resistance (RL) = 2 kΩ, output voltage (VOUT) =

0.5 V to 2.2 V

100

−40°C < TA < +85°C

−40°C < TA < +125°C

RL = 600 Ω, VOUT = 0.5 V to 2.2 V

Input Capacitance

CIN

Differential Mode

CINDM

2.5

Common Mode

CINCM

Logic High Voltage (Enabled)

VIH

−40°C < TA < +125°C

1.6

Logic Low Voltage (Power-Down)

VIL

−40°C < TA < +125°C

0.5

Logic Input Current (Per Pin)

IIN

−40°C < TA < +125°C, 0 V ≤ shutdown voltage (VSD) ≤

2.7 V

µA

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 2 kΩ to VCM

2.65

2.67

−40°C < TA < +125°C

2.6

RL = 600 Ω to VCM

2.55

2.59

−40°C < TA < +125°C

2.5

Output Voltage Low

VOL

RL = 2 kΩ to VCM

−40°C < TA < +125°C

RL = 600 Ω to VCM

103

−40°C < TA < +125°C

138

Short-Circuit Current

ISC

VOUT = VSY or GND

±15

Closed-Loop Output Impedance

ZOUT

Frequency (f) = 1 MHz, voltage gain (AV) = −100

372

Ω

Output Pin Leakage Current

−40°C < TA < +125°C, shutdown active, VSD =

negative supply voltage (VSS)

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VSY = 2.7 V to 5.5 V

−40°C < TA < +125°C

Supply Current Per Amplifier

ISY

VOUT = VSY/2

165

200

µA

−40°C < TA < +125°C

240

µA

Supply Current Shutdown Mode

ISD

All amplifiers shut down, VSD = VSS

−40°C < TA < +125°C

µA

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