ADA4870ARRZ datasheet(5/25 Pages) AD

Part #	ADA4870ARRZ

Description	Ideal for driving high capacitive or low resistive loads

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ADA4870

Data Sheet

Rev. 0 | Page 4 of 24

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

POWER SUPPLY

Operating Range

10

40

V

Quiescent Current

SD = VEE + 5 V, ON = VEE

32.5

33

mA

SD = VEE, ON = not applicable

0.75

1

mA

SD = VEE + 5 V, ON = VEE + 5 V

5.1

5.8

mA

Positive Power Supply Rejection Ratio

67

69

dB

Negative Power Supply Rejection Ratio

62

64

dB

±5 V SUPPLY

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

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Bandwidth

VOUT = 2 V p-p

52

MHz

Settling Time to 0.1%

VOUT = 2 V step

55

ns

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion, HD2/HD3

f = 30 MHz, VOUT = 2 V p-p, AV = −10

−42/−38

dBc

f = 1 MHz, VOUT = 2 V p-p, AV = −10

−90/−88

dBc

f = 0.1 MHz, VOUT = 2 V p-p, AV = −10

−101/−107

dBc

f = 1 MHz, VOUT = 2 V p-p, RL = 25 Ω, AV = −10

−70/−66

dBc

f = 0.1 MHz, VOUT = 2 V p-p, RL = 25 Ω, AV = −10

−85/−86

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

−4

+5

mV

Input Offset Voltage Drift

14

µV/°C

Input Bias Current

Noninverting Input

13

23

µA

Inverting Input

−5

−18

µA

Input Bias Current Drift, Inverting Input

10

nA/°C

Open-Loop Transresistance

1.9

MΩ

INPUT CHARACTERISTICS

Input Resistance

INP

2

MΩ

Input Capacitance

INP

0.75

pF

Input Common-Mode Voltage Range (VICM)

±3.0

V

Common-Mode Rejection Ratio

VICM = ±0.5 V, ±3.0 V

57

59

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)

−65

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

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