ZADCS1222IS14T ZMDI, ZADCS1222IS14T Datasheet - Page 12
![no-image](/images/no-image-200.jpg)
ZADCS1222IS14T
Manufacturer Part Number
ZADCS1222IS14T
Description
Analog to Digital Converters - ADC ADC
Manufacturer
ZMDI
Datasheet
1.ZADCS1222IS14T.pdf
(26 pages)
Specifications of ZADCS1222IS14T
Product Category
Analog to Digital Converters - ADC
Rohs
yes
Number Of Channels
2/1
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-14
Maximum Power Dissipation
250 mW
Minimum Operating Temperature
- 25 C
Number Of Converters
1
Voltage Reference
2.5 V
1.5.2.
(VDD = +2.7V to + 5.25V; f
Parameter
Internal Reference at VREF
VREF Output Voltage
VREF Short-Circuit Current
VREF Temperature Coefficient
Load Regulation
Capacitive Bypass at VREF
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
External Reference at VREF (internal buffer disabled by V(REFADJ) = VDD
VREF Input Voltage Range
VREF Input Current
VREF Input Resistance
Shutdown VREF Input Current
REFADJ Buffer Disable Threshold
External Reference at VREF_ADJ
Reference Buffer Gain
VREF_ADJ Input Current
Full Power Down
VREFADJ Input Current
Power Requirements
Positive Supply Voltage
Positive Supply Current
ZADCS1282VI
ZADCS1242VI
ZADCS1222VI
Positive Supply Current
ZADCS1282VI
ZADCS1242VI
ZADCS1222VI
Data Sheet
October 12, 2011
ZADCS1282/1242/1222
12-Bit, 200ksps, ADC Family
Specific Parameters of ZADCS12x2V versions (with Internal Reference)
© 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);
Symbol Conditions
VDD
IDD
IDD
T
0 to 0.2mA output load
VREF = 2.5V
Full Power-Down mode
VDD=3.6V
VDD=5.2V
A
= + 25°C
Operating Mode ext. VREF
Operating Mode int. VREF
Fast Power-Down
Full Power-Down
Operating Mode ext. VREF
Operating Mode int. VREF
Fast Power-Down
Full Power-Down
OP
=
OPmin
…
)
Min
2.480
4.7
0.047
1.0
11.5
VDD-
0.5
2.7
OPmax
)
Typ
2.500
± 30
0.35
1.5
180
14
2.00
0.85
1.3
250
0.5
1.00
1.40
250
0.5
Max
2.520
30
± 50
VDD +
50mV
215
0.1
±80
0.1
5.25
1.0
1.4
300
4.0
1.3
1.6
300
4.0
12 of 26
Unit
V
mA
ppm/°C
mV
µF
µF
%
V
µA
k
µA
V
µA
µA
V
mA
mA
µA
mA
mA
µA