2

3/5/02

SPT7937

Supply Voltages

Input Voltages

AGND – DGND .............................................. ±100 mV

Output

Digital Outputs .................................................... 10 mA

Temperature

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

Junction Temperature ...................................... +175 °C

Lead Temperature, (soldering 10 seconds) ...... +300 °C

Storage Temperature ............................ –65 to +150 °C

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

Electrical Specifications for proper nominal applied conditions

in typical applications.

ELECTRICAL SPECIFICATIONS

TEST

TEST

SPT7937

PARAMETERS

CONDITIONS

LEVEL

MIN

TYP

MAX

UNITS

Resolution

12

Bits

DC Accuracy

Integral Linearity Error (ILE)

V

±1.75

LSB

Differential Linearity Error (DLE)

V

±0.9

LSB

No Missing Codes

VI

Guaranteed

Analog Input

Input Voltage Range

VI

V

Input Capacitance

V

5.0

pF

Input Bandwidth

V

250

MHz

Input Impedance

35

k

Ω

V

1.0

LSB

V

0.12

%FS

Conversion Characteristics

Maximum Conversion Rate

VI

28

MHz

Minimum Conversion Rate

V

1

MHz

Pipeline Delay (Latency)

IV

14

Clock Cycles

V

1.0

ns

Aperture Jitter Time

V

5.0

ps (RMS)

Clock Duty Cycle

V

40

60

%

36

ns

Reference Input

Resistance

VI

350

500

650

Ω

IV

3.0

V

IV

0.0

2.0

V

V

1.0

4.0

5.0

V

Dynamic Performance

Effective Number of Bits

V

10.3

Bits

VI

10.0

Bits

1

2

3