ADA4857-1/ADA4857-2

Data Sheet

Rev. D | Page 4 of 21

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

OUTPUT CHARACTERISTICS

Output Overdrive Recovery Time VIN = ±2.5 V, G = 2

10

ns

Output Voltage Swing

High

RL = 1 kΩ

+VS − 1

V

RL = 1 kΩ, TMIN to TMAX

+VS − 1.3

V

RL = 100 Ω

+VS – 1.3

V

RL = 100 Ω, TMIN to TMAX

+VS − 2

V

Low

RL = 1 kΩ

−VS + 1

V

RL = 1 kΩ, TMIN to TMAX

−VS + 1.3

V

RL = 100 Ω

−VS + 1.3

V

RL = 100 Ω, TMIN to TMAX

−VS + 3

V

Output Current

50

mA

Short-Circuit Current

Sinking and sourcing

125

mA

Capacitive Load Drive

30% overshoot, G = 2

10

pF

POWER SUPPLY

Operating Range

4.5

10.5

V

Quiescent Current

5

5.5

mA

Quiescent Current (Power Down) PD ≥ VCC − 2 V

350

450

μA

Positive Power Supply Rejection

+VS = 4.5 V to 5.5 V, −VS = −5 V

−59

−62

dB

Negative Power Supply Rejection +VS = 5 V, −VS = −4.5 V to −5.5 V

−65

−68

dB

+5 V SUPPLY

TA = 25°C, G = 2, RF = RG = 499 Ω, RS = 100 Ω for G = 1 (SOIC), RL = 1 kΩ to midsupply, PD = no connect, unless otherwise noted.

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

–3 dB Bandwidth (LFCSP/SOIC)

G = 1, VOUT = 0.2 V p-p

595

800/750

MHz

G = 1, VOUT = 2 V p-p

500/400

MHz

G = 2, VOUT = 0.2 V p-p

360/300

MHz

Full Power Bandwidth

G = 1, VOUT = 2 V p-p, THD < −40 dBc

95

MHz

Bandwidth for 0.1 dB Flatness

(LFCSP/SOIC)

G = 2, VOUT = 2 V p-p, RL = 150 Ω

50/40

MHz

Slew Rate (10% to 90%)

G = 1, VOUT = 2 V step

1500

V/μs

Settling Time to 0.1%

G = 2, VOUT = 2 V step

15

ns

NOISE/HARMONIC PERFORMANCE

Harmonic Distortion

f = 1 MHz, G = 1, VOUT = 2 V p-p (HD2)

−92

dBc

f = 1 MHz, G = 1, VOUT = 2 V p-p (HD3)

−90

dBc

f = 10 MHz, G = 1, VOUT = 2 V p-p (HD2)

−81

dBc

f = 10 MHz, G = 1, VOUT = 2 V p-p (HD3)

−71

dBc

f = 50 MHz, G = 1, VOUT = 2 V p-p (HD2)

−69

dBc

f = 50 MHz, G = 1, VOUT = 2 V p-p (HD3)

−55

dBc

Input Voltage Noise

f = 100 kHz

4.4

nV/√Hz

Input Current Noise

f = 100 kHz

1.5

pA/√Hz

DC PERFORMANCE

Input Offset Voltage

±1

±4.2

mV

TMIN to TMAX

±6.4

mV

Input Offset Voltage Drift

TMIN to TMAX

4.6

23

μV/°C

Input Bias Current

−1.7

−3.3

μA

TMIN to TMAX

−4.1

μA

Input Bias Offset Current

50

800

nA

Open-Loop Gain

VOUT = 1.25 V to 3.75 V

57

dB