ADA4891-2ARMZ-R7 datasheet(3/20 Pages) AD

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ADA4891-1/ADA4891-2

Rev. A | Page 3 of 20

SPECIFICATIONS

TA = 25°C, VS = 5 V, RL = 1 kΩ to 2.5 V, unless otherwise noted.

Table 1.

Parameter

Test Conditions

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth

G = +1, VO = 0.2 V p-p

240

MHz

G = +2, VO = 0.2 V p-p, RL = 150 Ω to 2.5 V, RF = 604 Ω

MHz

Bandwidth for 0.1 dB Flatness

G = +2, VO = 2 V p-p, RL = 150 Ω to 2.5 V, RF = 604 Ω

MHz

Slew Rate (tR/tF)

G = +2, VO = 2 V step

170/210

V/μs

Large Signal Frequency Response

G = +2, VO = 2 V p-p, RL = 150 Ω

MHz

Settling Time to 0.1%

G = +2, VO = 2 V step

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion, HD2/HD3

fC = 1 MHz, VO = 2 V p-p, G = +1

−79/−93

dBc

Harmonic Distortion, HD2/HD3

fC = 1 MHz, VO = 2 V p-p, G = −1

−75/−91

dBc

Input Voltage Noise

f = 1 MHz

nV/√Hz

Differential Gain Error (NTSC)

G = +2, RL = 150 Ω to 2.5 V

0.05

Differential Phase Error (NTSC)

G = +2, RL = 150 Ω to 2.5 V

0.25

Degrees

Crosstalk

f = 5 MHz, G = +2, VO = 2 V p-p

−80

DC PERFORMANCE

Input Offset Voltage

±2.5

±10

TMIN to TMAX

±3.2

Offset Drift

μV/°C

Input Bias Current

−50

+50

Open-Loop Gain

RL = 150 Ω to 2.5 V

INPUT CHARACTERISTICS

Input Resistance

GΩ

Input Capacitance

3.2

Input Common-Mode Voltage Range

−VS − 0.3 to

+VS − 0.8

Common-Mode Rejection Ratio (CMRR)

VCM = 0 V to 3.0 V

OUTPUT CHARACTERISTICS

Output Voltage Swing

RL = 1 kΩ to 2.5 V

0.005 to 4.985

RL = 150 Ω to 2.5 V

0.065 to 4.9

Output Current

1% THD with 1 MHz, 2 V p-p output

150

Short-Circuit Current

Sourcing

250

Sinking

225

Capacitive Load Drive

G = +1, <30% overshoot

POWER SUPPLY

Operating Range

2.7

5.5

Quiescent Current per Amplifier

4.4

Positive Power Supply Rejection Ratio (PSRR)

+VS = 5 V to 5.25 V, −VS = 0 V

Negative Power Supply Rejection Ratio (PSRR)

+VS = 5 V, −VS = −0.25 V to 0 V

OPERATING TEMPERATURE RANGE

−40

+125

°C

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