Datasheet
Table Of Contents
- Features
- Applications
- Functional Block Diagram
- General Description
- Table of Contents
- Specifications
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Test Circuits
- Theory of Operation
- RDAC Register and EEPROM
- Input Shift Register
- SPI Serial Data Interface
- Advanced Control Modes
- EEPROM or RDAC Register Protection
- INDEP Pin
- RDAC Architecture
- Programming the Variable Resistor
- Programming the Potentiometer Divider
- Terminal Voltage Operating Range
- Power-Up Sequence
- Layout and Power Supply Biasing
- Outline Dimensions
AD5122/AD5142 Data Sheet
Rev. 0 | Page 18 of 32
–120
–100
–80
–60
–40
–20
0
10 100 1k 10k 100k 1M 10M
GAIN (dB)
FREQUENCY (Hz)
10kΩ
100kΩ
10880-032
SHUTDOWN MODE ENABLED
Figure 32. Shutdown Isolation vs. Frequency
0
1
2
3
4
5
6
7
0
50
100 150
200
250
0
25
50 75
100 125
AD5122
THEORETICAL I
MAX
(mA)
AD5142
CODE (Decimal)
10880-033
10kΩ
100kΩ
Figure 33. Theoretical Maximum Current vs. Code