2

7/12/00

SPT7935

ELECTRICAL SPECIFICATIONS

Bias 2=9.5

µA, Differential Input, Duty Cycle=50%, unless otherwise specified.

TEST

TEST

SPT7935

PARAMETERS

CONDITIONS

LEVEL

MIN

TYP

MAX

UNITS

DC Accuracy

Resolution

12

Bits

Differential Linearity

V

±0.6

LSB

Integral Linearity

V

±3.0

LSB

No Missing Codes

VI

Guaranteed

Analog Input

Input Voltage Range (Differential)

IV

±0.6

±1.0

±1.7

V

Common Mode Input Voltage

IV

1.2

1.65

1.9

V

Input Capacitance

V

1.4

pF

Input Bandwidth (Large Signal)

V

120

MHz

Offset (Mid-scale)

V

±1.0

% FSR

Gain Error

V

0.3

% FSR

Reference Voltages

Reference Input Voltage Range

IV

0.6

1.0

1.7

V

IV

0.9

1.0

1.3

V

IV

1.9

2.0

2.6

V

VI

1.3

1.65

1.8

V

V

35

µA

V

–25

µA

Switching Performance

Maximum Conversion Rate

VI

20

MHz

Pipeline Delay

IV

7.5

Clocks

(See Timing Diagram)

5

ns

Aperture Jitter Time

V

10

ps-rms

Dynamic Performance

Effective Number of Bits

VI

9.2

9.8

Bits

V

9.0

Bits

Signal-To-Noise Ratio

VI

59

62

dB

V

58

dB

Total Harmonic Distortion

VI

–68

–61

dB

V

–60

dB

Supply Voltages

Input Voltages

Temperature

Operating Temperature ............................. –40 to +85

°C

Storage Temperature ............................... –65 to +125

°C

Note: 1. Operation at any Absolute Maximum Rating is not

implied. See Electrical Specifications for proper

nominal applied conditions in typical applications.