SP8544AS 查看數據表（PDF） - Signal Processing Technologies

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SP8544AS

Two and Four Channel 12-Bit Multiplexed Sampling ADCs

Signal Processing Technologies 

SPECIFICATIONS (continued)

Unless otherwise noted the following specifications apply for VDD = 5V with limits applicable for TA = 25˚C.

PARAMETER

MIN. TYP. MAX.

UNIT

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

Input High Voltage , VIH 2.0

Volt

Input Current IIN

+1

µA

Input Capacitance

3

pF

Digital Outputs

Data Format (3)

Data Coding (4)

VOH

4.0

Volt

VOL

0.4

Volt

AC Accuracy

Spurious Free Dynamic

78

dB

Range (SFDR)

Total Harmonic Distortion

(THD)

-74

dB

Signal to Noise &

Distortion (SINAD)

70

dB

Signal to Noise (SNR)

71

dB

Sampling Dynamics

Acquisition Time to 0.01%

250

ns

-3dB Small Signal BW

13

MHz

Aperture Delay

35

ns

Aperture Jitter

10

ps RMS

CONDITIONS

VDD= 5V ±5%

VDD= 5V ±5%

VDD=5V±5%, IOH=-0.4mA

VDD=5V±5%, IOL=+1.6mA

fin=47KHz

fin=47KHz

fin=47KHz

fin=47KHz

SP8542/8544DS/01

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

3

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