ZADCS1282VIS20T ZMDI, ZADCS1282VIS20T Datasheet - Page 11
![no-image](/images/no-image-200.jpg)
ZADCS1282VIS20T
Manufacturer Part Number
ZADCS1282VIS20T
Description
Analog to Digital Converters - ADC ADC
Manufacturer
ZMDI
Datasheet
1.ZADCS1222IS14T.pdf
(26 pages)
Specifications of ZADCS1282VIS20T
Product Category
Analog to Digital Converters - ADC
Rohs
yes
Number Of Channels
8/4
Architecture
SAR
Conversion Rate
200 KSPs
Resolution
12 bit
Input Type
Single-Ended/Differential
Snr
70 dB
Interface Type
Microwire, QSPI, SPI
Operating Supply Voltage
2.7 V to 5.25 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SSOP-20
Maximum Power Dissipation
250 mW
Minimum Operating Temperature
- 25 C
Number Of Converters
1
Voltage Reference
2.5 V
1.5. Electrical Characteristics
1.5.1.
(VDD = +2.7V to + 5.25V; f
Parameter
DC Accuracy
Resolution
Relative Accuracy
No Missing Codes
Differential Nonlinearity
Offset Error
Gain Error
Gain Temperature Coefficient
Dynamic Specifications (10kHz sine-wave input, 0V to 2.500Vpp, 200ksps, 3.2MHz external clock)
Signal-to-Noise + Distortion Ratio
Total Harmonic Distortion
Spurious-Free Dynamic Range
Small-Signal Bandwidth
Conversion Rate
Sampling Time
(= Track/Hold Acquisition Time)
Conversion Time
Aperture Delay
Aperture Jitter
External Clock Frequency
Internal Clock Frequency
Analog Inputs
Input
Ended and Differential
Input Capacitance
Data Sheet
October 12, 2011
OPmax
ZADCS1282/1242/1222
12-Bit, 200ksps, ADC Family
)
Voltage
General Parameters
Range,
© 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.
SCLK
= 3.2MHz (50% duty cycle); 16 clocks/conversion cycle (200 ksps); V
Single-
Symbol Conditions
INL
NMC
DNL
SINAD
THD
SFDR
t
t
ACQ
CONV
ZADCS1282 / ZADCS1282V
ZADCS1242 / ZADCS1242V
ZADCS1222 / ZADCS1222V
ZADCS1282 / ZADCS1282V
ZADCS1242 / ZADCS1242V
ZADCS1222 / ZADCS1222V
Up to the 5
-3dB roll off
Ext. Clock = 3.2MHz, 2.5 clocks/
acquisition
Ext. Clock = 3.2MHz, 12 clocks/
conversion
Int. Clock = 3.2MHz +/- 12% tolerance 3.30
Unipolar, COM = 0V
Bipolar, COM = VREF/2
th
harmonic
REF
= 2.500V applied to VREF pin;
70
Min
12
76
0.758
0.1
2.81
0 to VREF
VREF / 2
Typ
12
0.5
0.5
0.25
73
-88
80
3.8
30
< 50
3.2
16
Max
1.0
1.0
3.0
4.0
-80
3.75
4.20
3.2
3.58
11 of 26
OP
=
Unit
Bits
LSB
Bits
LSB
LSB
LSB
ppm/°C
dB
dB
dB
MHz
µs
µs
µs
ns
ps
MHz
MHz
V
pF
OPmin
…