Data Sheet

ADA4937-1/ADA4937-2

Rev. F | Page 3 of 28

SPECIFICATIONS

5 V OPERATION

TA = 25°C, +VS = 5 V, −VS = 0 V, VOCM = +VS/2, RT = 61.9 Ω, RG = RF = 200 Ω, Gain (G) = +1, RL, dm = 1 kΩ, unless otherwise noted. All

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

±DIN to ±OUT Performance

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth

VOUT, dm = 0.1 V p-p

1900

MHz

Bandwidth for 0.1 dB Flatness

VOUT, dm = 0.1 V p-p

200

MHz

Large Signal Bandwidth

VOUT, dm = 2 V p-p

1700

MHz

Slew Rate

VOUT, dm = 2 V p-p; 25% to 75%

6000

V/µs

Settling Time

VOUT, dm = 2 V p-p

7

ns

Overdrive Recovery Time

VIN = 0 V to 1.5 V step; G = 3.16

<1

ns

NOISE/HARMONIC PERFORMANCE

See Figure 51 for distortion test circuit

Second Harmonic

VOUT, dm = 2 V p-p; 10 MHz

−112

dBc

VOUT, dm = 2 V p-p; 70 MHz

−84

dBc

VOUT, dm = 2 V p-p; 100 MHz

−77

dBc

Third Harmonic

VOUT, dm = 2 V p-p; 10 MHz

−102

dBc

VOUT, dm = 2 V p-p; 70 MHz

−91

dBc

VOUT, dm = 2 V p-p; 100 MHz

−84

dBc

IMD

f1 = 70 MHz; f2 = 70.1 MHz; VOUT, dm = 2 V p-p

−91

dBc

Voltage Noise (RTI)

f = 100 kHz

2.2

nV/√Hz

Input Current Noise

f = 100 kHz

4

pA/√Hz

Noise Figure

G = 4; RT = 136 Ω; RF = 200 Ω; RG = 37 Ω; f = 100 MHz

15

dB

Crosstalk (ADA4937-2)

f = 100 MHz

−72

dB

INPUT CHARACTERISTICS

Offset Voltage

VOS, dm = VOUT, dm/2; VDIN+ = VDIN− = 2.5 V

−2.5

±0.5

+2.5

mV

TMIN to TMAX variation

±1

µV/°C

Input Bias Current

−50

−30

−10

µA

TMIN to TMAX variation

0.01

µA/°C

Input Offset Current

−2

+0.5

+2

µA

Input Resistance

Differential

6

MΩ

Common mode

3

MΩ

Input Capacitance

1

pF

Input Common-Mode Voltage

0.3 to 3.0

V

CMRR

∆VOUT, dm/∆VIN, cm; ∆VIN, cm = ±1 V

−69

−80

dB

OUTPUT CHARACTERISTICS

Output Voltage Swing

Maximum ∆VOUT; single-ended output; RF = RG = 10 kΩ

0.9

4.1

V

Linear Output Current

Per amplifier; RL, dm = 20 Ω; f = 10 MHz

±70

mA

Output Balance Error

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

see Figure 50 for test circuit

−61

dB