ADA4856-3

Data Sheet

Rev. B | Page 4 of 20

3.3 V OPERATION

TA = 25°C, +VS = 3.3 V, −VS = 0 V, G = +2, RL = 150 Ω to midsupply, unless otherwise noted.

Table 2.

Parameter

Test Conditions

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Bandwidth

VO = 0.1 V p-p

370

MHz

VO = 2 V p-p

225

MHz

Bandwidth for 0.1 dB Flatness

VO = 2 V p-p

77

MHz

Slew Rate

VO = 2 V step

800

V/µs

Settling Time to 0.1% (Rise/Fall)

VO = 2 V step

4.8/7

ns

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion (HD2/HD3)

fC = 5 MHz, VO = 1 V p-p, RL = 1 kΩ

−95/−128

dBc

fC = 20 MHz, VO = 1 V p-p, RL = 1 kΩ

−74/−101

dBc

Crosstalk, Output to Output

f = 5 MHz

−78

dB

Input Voltage Noise

f = 100 kHz

14

nV/√Hz

Input Current Noise

f = 100 kHz

2

pA/√Hz

Differential Gain Error

0.01

%

Differential Phase Error

0.01

Degrees

DC PERFORMANCE

Input Offset Voltage

1.2

3

mV

Input Offset Voltage Drift

5.5

µV/°C

Input Bias Current

−3.8

µA

Input Offset Current

±0.05

µA

Closed-Loop Gain

1.95

2

2.05

V/V

Open-Loop Gain

90

dB

INPUT CHARACTERISTICS

Input Resistance

3.2

MΩ

Input Capacitance

0.5

pF

Input Common-Mode Voltage Range

−VS − 0.2

+VS − 1

V

Common-Mode Rejection Ratio

VCM = −0.2 V to +2.3 V

94

dB

OUTPUT CHARACTERISTICS

Output Voltage Swing

0.1 to 3.22

V

Linear Output Current Per Amplifier

HD2 ≤ −60 dBc, RL = 10 Ω

49

mA

POWER-DOWN

Turn-On Time

78

ns

Turn-Off Time

950

ns

Turn-On Voltage

2.05

V

POWER SUPPLY

Operating Range

3

5.5

V

Quiescent Current per Amplifier

7.5

mA

Quiescent Current When Powered Down

0.98

mA

Power Supply Rejection Ratio

∆VS = 2.97 V to 3.63 V

94

dB