Data Sheet

ADA4898-1/ADA4898-2

SPECIFICATIONS

±15 V SUPPLY

TA = 25°C, G = +1, RF = 0 Ω, RG open, RL = 1 kΩ to GND (for G > 1, RF = 100 Ω), unless otherwise noted.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Bandwidth

VOUT = 100 mV p-p

65

MHz

VOUT = 2 V p-p

14

MHz

Bandwidth for 0.1 dB Flatness

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

3.3

MHz

Slew Rate

VOUT = 5 V step

55

V/µs

Settling Time to 0.1%

VOUT = 5 V step

85

ns

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion SFDR

f = 100 kHz, VOUT = 2 V p-p

−116

dBc

f = 500 kHz, VOUT = 2 V p-p

−93

dBc

f = 1 MHz, VOUT = 2 V p-p

−79

dBc

Input Voltage Noise

f = 1 kHz

0.9

nV/√Hz

Input Current Noise

f = 1 kHz

2.4

pA/√Hz

DC PERFORMANCE

Input Offset Voltage

RF = 1 kΩ, see Figure 43

20

125

µV

Input Offset Voltage Drift

RF = 1 kΩ, see Figure 43

1

µV/°C

Input Bias Current

RF = 1 kΩ, see Figure 43

−0.1

−0.4

µA

Input Bias Offset Current

RF = 1 kΩ, see Figure 43

0.03

0.3

µA

Input Bias Current Drift

RF = 1 kΩ, see Figure 43

2

nA/°C

Open-Loop Gain

VOUT = ±5 V

99

103

dB

INPUT CHARACTERISTICS

Input Resistance

Differential mode

5

kΩ

Common mode

30

MΩ

Input Capacitance

Differential mode

3.2

pF

Common mode

2.5

pF

Input Common-Mode Voltage Range

See Figure 43

±11

V

Common-Mode Rejection Ratio

VCM = ±2 V

−103

−126

dB

PD (POWER-DOWN) PIN (ADA4898-1)

PD Input Voltages

Chip powered down

≤−14

V

Chip enabled

≥−13

V

PD Turn On Time

VOUT = 100 mV p-p

100

ns

PD Turn Off Time

VOUT = 100 mV p-p

20

μs

Input Leakage Current

PD = +VS

0.1

µA

PD = −VS

−0.2

µA

OUTPUT CHARACTERISTICS

Output Voltage Swing

RL // (RF + RG) = 500 Ω, see Figure 43

−11.0 to +11.8

−11.7 to +12.1

V

RL // (RF + RG) = 1 kΩ, see Figure 43

−12.5 to +12.5

−12.8 to +12.7

V

Linear Output Current

f = 100 kHz, SFDR = −70 dBc, RL = 150 Ω

40

mA

Short-Circuit Current

Sinking/sourcing

150

mA

Off Isolation

f = 1 MHz, PD = −VS

80

dB

POWER SUPPLY

Operating Range

±4.5

±16.5

V

Quiescent Current per Amplifier

PD = +VS

7.9

8.7

mA

PD = −VS

0.1

0.3

mA

Positive Power Supply Rejection Ratio

+VS = 15 V to 17 V, −VS = −15 V

−98

−107

dB

Negative Power Supply Rejection Ratio

+VS = 15 V, −VS = −15 V to −17 V

−100

−114

dB

Rev. E | Page 3 of 20