ZADCS146/147

12-Bit, 200ksps, ADC Family

Data Sheet

October 12, 2011

© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 2.0

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without

the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to

changes without notice.

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1.3. Electrical Characteristics

1.3.1. General Parameters

Parameter

Symbol Conditions

Min

Typ

Max

Unit

DC Accuracy

Resolution

12

Bits

Relative Accuracy

INL

ZADCS146/ ZADCS147

 1.0

LSB

No Missing Codes

NMC

12

Bits

Differential Nonlinearity

DNL

ZADCS146/ ZADCS147

 1.0

LSB

Offset Error

 0.5

 3.0

LSB

Gain Error

 0.5

 4.0

LSB

Gain Temperature Coefficient

 0.25

ppm/°C

Dynamic Specifications (10kHz sine-wave input, 0V to 2.500Vpp, 200ksps, 3.2MHz external clock)

Signal-to-Noise + Distortion Ratio

SINAD

68

73

dB

Total Harmonic Distortion

THD

Up to the 5

-88

-75

dB

Spurious-Free Dynamic Range

SFDR

74

80

dB

Small-Signal Bandwidth

-3dB roll off

3.8

MHz

Conversion Rate

Sampling Time

(= Track/Hold Acquisition Time)

Ext. Clock = 3.2MHz, 2.5 clocks/

acquisition

0.758

µs

Ext. Clock = 3.2MHz, 12 clocks/

conversion

3.75

µs

Conversion Time

Int. Clock = 3.2MHz +/- 12% tolerance 3.30

4.20

µs

Aperture Delay

30

ns

Aperture Jitter

< 50

ps

External Clock Frequency

0.1

3.2

MHz

Internal Clock Frequency

2.81

3.2

3.58

MHz

Analog Inputs

Unipolar, COM = 0V

0 to VREF

Input

Voltage

Range,

Single-

Ended and Differential

Bipolar, COM = VREF/2

 VREF / 2

V

Input Capacitance

16

pF