SP8542/8544DS/01

SP8542/8544 Two and Four Channel 12-Bit Multiplexed Sampling ADC's

© Copyright 2000 Sipex Corporation

3

Unless otherwise noted the following specifications apply for V

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITIONS

Reference Output

1.25

Volt

Ref. Out Temp. Coef.

J, A

30

ppm/˚C

K,B

20

ppm/˚C

Ref.Out Error

+4

+25

mV

Output Current

1

mA

Digital Inputs

Input Low Voltage , VIL

0.8

Volt

±5%

Input High Voltage , VIH

2.0

Volt

±5%

Input Current IIN

+1

µA

Input Capacitance

3

pF

Digital Outputs

Data Format (3)

Data Coding (4)

VOH

4.0

Volt

VDD=5V

±5%, IOH=-0.4mA

VOL

0.4

Volt

VDD=5V

±5%, IOL=+1.6mA

AC Accuracy

Spurious Free Dynamic

78

dB

fin=47KHz

Range (SFDR)

Total Harmonic Distortion

(THD)

-74

dB

fin=47KHz

Signal to Noise &

Distortion (SINAD)

70

dB

fin=47KHz

Signal to Noise (SNR)

71

dB

fin=47KHz

Sampling Dynamics

Acquisition Time to 0.01%

250

ns

-3dB Small Signal BW

13

MHz

Aperture Delay

35

ns

Aperture Jitter

10

ps RMS