ADA4941-1

Data Sheet

Rev. D | Page 4 of 23

TA = 25°C, VS = 5 V, OUT+ connected to FB (G = 2), RL, dm = 1 kΩ, REF = 2.5 V, unless otherwise noted.

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Bandwidth

VO = 0.1 V p-p

22

31

MHz

VO = 2.0 V p-p

4.9

7

MHz

Overdrive Recovery Time

+Recover/−recovery

200/600

ns

Slew Rate

VO = 2 V step

24.5

V/µs

Settling Time 0.005%

VO = 6 V p-p step

610

ns

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion

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

−118/−119

dBc

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

−110/−112

dBc

fC = 1 MHz, VO = 2 V p-p, HD2/HD3

−83/−73

dBc

RTO Voltage Noise

f = 100 kHz

10.2

nV/√Hz

Input Current Noise

f = 100 kHz

1.6

pA/√Hz

DC PERFORMANCE

Differential Output Offset Voltage

0.2

0.8

mV

Differential Input Offset Voltage Drift

1.0

µV/°C

Single-Ended Input Offset Voltage

Amp A1 or Amp A2

0.1

0.4

mV

Single-Ended Input Offset Voltage Drift

0.3

µV/°C

Input Bias Current

IN and REF

3

4.5

µA

Input Offset Current

IN and REF

0.1

µA

Gain

(+OUT − −OUT)/(IN − REF)

1.98

2

2.01

V/V

Gain Error

−1

+1

%

Gain Error Drift

1

5

ppm/°C

INPUT CHARACTERISTICS

Input Resistance

IN and REF

24

MΩ

Input Capacitance

IN and REF

1.4

pF

Input Common-Mode Voltage Range

0.2

3.9

V

Common-Mode Rejection Ratio (CMRR)

CMRR = VOS,dm/VCM, VREF = VIN, VCM = 0.2 V to 3.9 V, G = 4

84

106

dB

OUTPUT CHARACTERISTICS

Output Voltage Swing

Each single-ended output, G = 4

±4.85

±4.93

V

Output Current

25

mA

Capacitive Load Drive

20% overshoot, VO, dm = 200 mV p-p

20

pF

POWER SUPPLY

Operating Range

2.7

12

V

Quiescent Current

2.3

2.6

mA

Quiescent Current—Disable

12

20

µA

Power Supply Rejection Ratio (PSRR)

+PSRR

PSRR = VOS, dm/ΔVS, G = 4

87

100

dB

−PSRR

87

110

dB

DISABLE

DIS Input Voltage

Disabled, DIS = high

≥1.5

V

Enabled, DIS = low

≤1.0

V

DIS Input Current

Disabled, DIS = high

5.5

8

µA

Enabled, DIS = low

4

6

µA

Turn-On Time

0.7

µs

Turn-Off Time

30

µs