ADA4938-1YCPZ-R7 datasheet(3/9 Pages) AD

3 / 9 page

Preliminary Technical Data

ADA4938-1

Rev. PrA | Page 3 of 9

SPECIFICATIONS

DUAL SUPPLY OPERATION

At 25 °C, +VS = 5 V, −VS = −5 V, VOCM = 0 V, RG = RF = 200 Ω, G = +1, RL, dm = 1 kΩ, unless otherwise noted. All specifications refer to

single-ended input and differential outputs, unless otherwise noted.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

±DIN TO ±OUT PERFORMANCE

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth

VOUT = 0.5 V p-p, Differential Input

1500

MHz

Bandwidth for 0.1 dB Flatness

VOUT = 2 V p-p, Differential Input

125

MHz

Large Signal Bandwidth

VOUT = 2 V p-p, Differential Input

1300

MHz

VOUT = 4 V p-p, Differential Input

800

MHz

Slew Rate

VOUT = 2 V p-p

4700

V/μs

Settling Time

0.01%, VOUT = 2 Vp-p

8.5

Overdrive Recovery Time

VIN = 5 V to 0 V step, G = +2

NOISE/HARMONIC PERFORMANCE1

Second Harmonic

VOUT = 2 V p-p, 10 MHz

−108

dBc

VOUT = 2 V p-p, 70 MHz

−79

dBc

Third Harmonic

VOUT = 2 V p-p, 10 MHz

−125

dBc

VOUT = 2 V p-p, 70 MHz

−87

dBc

IMD

70 MHz

dBc

IP3

70 MHz

dBm

Voltage Noise (RTI)

2.2

nV/√Hz

Noise Figure

G = +2

Input Current Noise

pA/√Hz

INPUT CHARACTERISTICS

Offset Voltage

VOS, dm = VOUT, dm/2; VDIN+ = VDIN− = 0 V

TMIN to TMAX variation

±4

μV/°C

Input Bias Current

3.5

μA

TMIN to TMAX variation

−0.01

μA/°C

Input Resistance

Differential

MΩ

Common mode

MΩ

Input Capacitance

Input Common-Mode Voltage

−4.7 to 3.4

CMRR

∆VOUT, dm/∆VIN, cm; ∆VIN, cm = ±1 V

−77

OUTPUT CHARACTERISTICS

Output Voltage Swing

Maximum ∆VOUT; single-ended output

Output Current

Output Balance Error

∆VOUT, cm/∆VOUT, dm; ∆VOUT, dm = 1 V; 10 MHz

−66

VOCM to ±OUT PERFORMANCE

VOCM DYNAMIC PERFORMANCE

−3 dB Bandwidth

400

MHz

Slew Rate

1700

V/μs

INPUT VOLTAGE NOISE (RTI)

7.5

nV/√Hz

VOCM INPUT CHARACTERISTICS

Input Voltage Range

−3.8

3.8

Input Resistance

200

kΩ

Input Offset Voltage

VOS, cm = VOUT, cm; VDIN+ = VDIN– = 0 V

3.5

Input Bias Current

0.5

μA

VOCM CMRR

∆VOUT, dm/∆VOCM; ∆VOCM = ±1 V

−75

Gain

∆VOUT, cm/∆VOCM; ∆VOCM = ±1 V

V/V

POWER SUPPLY

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