Data Sheet

AD9631/AD9632

Rev. D | Page 3 of 20

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

±VS = ±5 V; RLOAD = 100 Ω; AV = 1 (AD9631); AV = 2 (AD9632), unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

AD9631

AD9632

Unit

Min

Typ

Max

Min

Typ

Max

DYNAMIC PERFORMANCE

Bandwidth (–3 dB)

Small Signal

VOUT ≤ 0.4 V p-p

220

320

180

250

MHz

Large Signal1

VOUT = 4 V p-p

150

175

155

180

MHz

Bandwidth for 0.1 dB Flatness

VOUT = 300 mV p-p

RF = 140 Ω (AD9631);

RF = 425 Ω (AD9632)

130

130

MHz

Slew Rate, Average ±

VOUT = 4 V step

1000

1300

1200

1500

V/μs

Rise/Fall Time

VOUT = 0.5 V step

1.2

1.4

ns

VOUT = 4 V step

2.5

2.1

ns

Settling Time

To 0.1%

VOUT = 2 V step

11

11

ns

To 0.01%

VOUT = 2 V step

16

16

ns

HARMONIC/NOISE PERFORMANCE

Second Harmonic Distortion

2 V p-p; 20 MHz, RL = 100 Ω

−64

−57

−54

−47

dBc

RL = 500 Ω

−72

−65

−72

−65

dBc

Third Harmonic Distortion

2 V p-p; 20 MHz, RL = 100 Ω

−76

−69

−74

−67

dBc

RL = 500 Ω

−81

−74

−81

−74

dBc

Third-Order Intercept

25 MHz

46

41

dBm

Noise Figure

RS = 50 Ω

18

14

dB

Input Voltage Noise

1 MHz to 200 MHz

7.0

4.3

nA/√Hz

Input Current Noise

1 MHz to 200 MHz

2.5

2.0

pA/√Hz

Average Equivalent Integrated

Input Noise Voltage

0.1 MHz to 200 MHz

100

60

μV rms

Differential Gain Error (3.58 MHz)

RL = 150 Ω

0.03

0.06

0.02

0.04

%

Differential Phase Error (3.58 MHz)

RL = 150 Ω

0.02

0.04

0.02

0.04

Degree

Phase Nonlinearity

DC to 100 MHz

1.1

1.1

Degree

DC PERFORMANCE2

RL = 150 Ω

Input Offset Voltage3

3

10

2

5

mV

TMIN − TMAX

13

8

mV

Offset Voltage Drift

±10

±10

µV/°C

Input Bias Current

2

7

2

7

µA

TMIN − TMAX

10

10

µA

Input Offset Current

0.1

3

0.1

3

µA

TMIN − TMAX

5

5

µA

Common-Mode Rejection Ratio

VCM = ± 2.5 V

70

90

70

90

dB

Open-Loop Gain

VOUT = ± 2.5 V

46

52

46

52

dB

TMIN − TMAX

40

40

dB

INPUT CHARACTERISTICS

Input Resistance

500

500

kΩ

Input Capacitance

1.2

1.2

pF

Input Common-Mode Voltage Range

±3.4

±3.4

V