Data Sheet

ADA4870

SPECIFICATIONS

analog.com

Rev. B | 3 of 24

±20 V SUPPLY

TCASE = 25°C, AV = −5, RF = 1.21 kΩ, RG = 243 Ω, CL = 300 pF, RS = 5 Ω, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Bandwidth

VOUT = 2 V p-p

60

MHz

VOUT = 2 V p-p, AV = +2

70

MHz

VOUT = 20 V p-p

52

MHz

Slew Rate (Peak)

VOUT = 30 V step, AV = +2

2500

V/µs

Settling Time to 0.1%

VOUT = 10 V step

82

ns

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion, HD2/HD3

f = 30 MHz, VOUT = 20 V p-p, AV = −10

−40/−39

dBc

f = 1 MHz, VOUT = 20 V p-p, AV = −10

−91/−74

dBc

f = 0.1 MHz, VOUT = 20 V p-p, AV = −10

−95/−96

dBc

f = 1 MHz, VOUT = 20 V p-p, RL = 25 Ω, AV = −10

−70/−77

dBc

f = 0.1 MHz, VOUT = 20 V p-p, RL = 25 Ω, AV = −10

−79/−99

dBc

Input Voltage Noise Density

f = 100 kHz

2.1

nV/√Hz

Input Current Noise Density

f = 100 kHz

INP

4.2

pA/√Hz

INN

47

pA/√Hz

DC PERFORMANCE

Input Offset Voltage

−15

−1

+10

mV

Input Offset Voltage Drift

4

µV/°C

Input Bias Current

Noninverting Input

9

23

µA

Inverting Input

−12

−25

µA

Input Bias Current Drift, Inverting Input

24

nA/°C

Open-Loop Transresistance

2.5

MΩ

INPUT CHARACTERISTICS

Input Resistance

INP

2

MΩ

Input Capacitance

INP

0.75

pF

Input Common-Mode Voltage Range (VICM)

±18

V

Common-Mode Rejection Ratio

VICM = ±2 V, ±18 V

58

60

dB

SD PIN (SHUTDOWN)

Input Voltages

High (enabled)

VEE + 1.1

VEE + 5

V

Low (power-down)

VEE

VEE + 0.9

V

Input Bias Current

Enabled (SD = VEE + 5 V)

110

µA

Power down (SD = VEE)

−50

µA

ON PIN (RESET AND SHORT-CIRCUIT PROTECTION)

Input Voltages

High (power-down)

VEE + 1.8

VEE + 5

V

Low (enabled)

VEE

VEE + 1.3

V

Input Bias Current

Enabled (ON = VEE)

−75

µA

Power down (ON = VEE + 5 V)

100

µA

OUTPUT CHARACTERISTICS

Output Voltage Range

RG = 1.2 kΩ, RL = open

±18.6

V

RG = 1.2 kΩ, RL = 50 Ω

±18

V

Output Current Drive

1

A

Short-Circuit Protection Current Limit1

ON = floating

1.2

A