ZADCS1042IS16T ZMDI, ZADCS1042IS16T Datasheet - Page 5

• Manufacturer Part Number: ZADCS1042IS16T
• Description: Analog to Digital Converters - ADC ADC
• Manufacturer: ZMDI

Specifications of ZADCS1042IS16T

• Product Category: Analog to Digital Converters - ADC
• Rohs: yes
• Number Of Channels: 4/2
• Architecture: SAR
• Conversion Rate: 250 KSPs
• Resolution: 10 bit
• Input Type: Single-Ended/Differential
• Snr: 61 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-16
• Maximum Power Dissipation: 250 mW
• Minimum Operating Temperature: - 25 C
• Number Of Converters: 1
• Voltage Reference: 2.5 V

List of Figures
Figure 1 Package Pin Assignment for ZADCS1082 & ZADCS1082V........................................................................8
Figure 2 Package Pin Assignment for ZADCS1042 & ZADCS1042V........................................................................9
Figure 3 Package Pin Assignment for ZADCS1022 & ZADCS1022V......................................................................10
Figure 4: Basic application schematic for ZADCS1082V .........................................................................................15
Figure 5: Basic application schematic for ZADCS1082............................................................................................15
Figure 6: Input voltage range in unipolar mode ........................................................................................................16
Figure 7: Input voltage range for bipolar mode ........................................................................................................16
Figure 8: Block diagram of input multiplexer ............................................................................................................17
Figure 9: Equivalent input circuit during sampling....................................................................................................17
Figure 10: Reference Adjust Circuit..........................................................................................................................18
Figure 11: 24-Clock External Clock Mode Timing (f
Figure 12: Internal Clock Mode Timing with interleaved Control Byte transmission ................................................19
Figure 13: 16-Clock External Clock Mode Conversion.............................................................................................20
Figure 14: 13-Clock External Clock Mode Conversion.............................................................................................20
Figure 15 Detailed Timing Diagram..........................................................................................................................21
Figure 16: Unipolar Transfer Function......................................................................................................................22
Figure 17: Bipolar Transfer Function ........................................................................................................................22
Figure 18: Supply Current versus Sampling Rate ....................................................................................................24
Figure 19: Optimal Power-Supply Grounding System..............................................................................................24
Figure 20: Package Outline Dimensions ..................................................................................................................25
Data Sheet
October 12, 2011
ZADCS1082/1042/1022
10-Bit, 250ksps, ADC Family
© 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
≤ 3.3MHz)
.........................................................................19
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