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ADC081C021 Datasheet(PDF) 2 Page - Texas Instruments

Part # ADC081C021
Description  ADC121C021/ADC121C021Q/ADC121C027 I2C-Compatible, 12-Bit Analog-to-Digital Converter with Alert Function
PDF  46 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

ADC081C021 Datasheet(HTML) 2 Page - Texas Instruments

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SDA
SCL
Lowest Conversion
Configuration
I
2C Serial Interface
ADC121C021/
ADC121C027
Conversion Result
High Limit
Low Limit
Pointer
Register
and
Decode
Logic
Alert
Set-Point
Comparator
ADDR*
Highest Conversion
12-Bit
Successive
Approximation
ADC
GND
VA
Hysteresis
VIN
Alert Status
ALERT*
T/H
Oscillator
REF
* Note: The ADC121C021 has the ALERT pin but no ADDR pin.
The ADC121C027 has the ADDR pin but no ALERT pin.
ALERT
SCL
SDA
V
IN
V
A
GND
1
2
3
5
4
6
ADC121C021/ADC121C021Q
ADDR
SCL
SDA
V
IN
V
A
GND
1
2
3
5
4
6
ADC121C027
ALERT
SDA
ADR1
V
A
GND
1
2
4
7
8
3
SCL
6
5
V
IN
ADC121C021
ADR0
ADC121C021, ADC121C021Q, ADC121C027
SNAS415F – JANUARY 2008 – REVISED MARCH 2013
www.ti.com
Pin-Compatible Alternatives (All devices are fully pin and function compatible across resolution)
Resolution
SOT (Alert only) and VSSOP
SOT (Addr only)
12-bit
ADC121C021
ADC121C027
10-bit
ADC101C021
ADC101C027
8-bit
ADC081C021
ADC081C027
Connection Diagrams
Figure 1. 6-Pin SOT
Figure 2. 6-Pin SOT
Figure 3. 8-Pin VSSOP
See DDC Package
See DDC Package
See DGK Package
Block Diagram
2
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: ADC121C021 ADC121C021Q ADC121C027



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