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 14 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0
100
200
R-INL (LSB)
CODE (Decimal)
10kΩ, +125°C
10kΩ, +25°C
10kΩ, –40°C
100kΩ, +125°C
100kΩ, +25°C
100kΩ, –40°C
10880-008
Figure 8. R-INL vs. Code (AD5142)
R-INL (LSB)
CODE (Decimal)
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0 50 100
10kΩ, +125°C
10kΩ, +25°C
10kΩ, –40°C
100kΩ, +125°C
100kΩ, +25°C
100kΩ, –40°C
10880-009
Figure 9. R-INL vs. Code (AD5122)
0 100 200
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
INL (LSB)
CODE (Decimal)
10kΩ, –40
°C
10k
Ω, +25°C
10k
Ω, +125°C
100kΩ, –40°C
100kΩ, +
25°C
100kΩ, +125°C
10880-010
Figure 10. INL vs. Code (AD5142)
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0
100
200
R-DNL (LSB)
CODE (Decimal)
10k
Ω, +125°C
10kΩ, +25°C
10k
Ω, –40°C
100kΩ,
+125°C
100kΩ, +25°C
100k
Ω,
–40°C
10880-011
Figure 11. R-DNL vs. Code (AD5142)
CODE (Decimal)
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0 50 100
R-DNL (LSB)
10kΩ, +125°C
10kΩ, +25°C
10kΩ, –40°C
100kΩ, +125°C
100kΩ, +25°C
100kΩ, –40°C
10880-012
Figure 12. R-DNL vs. Code (AD5122)
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
DN
L (LSB)
CODE (Decimal)
10kΩ, –40°C
10kΩ,
+25°C
10kΩ, +12
5°C
100kΩ, –40°C
100kΩ, +25°C
100kΩ, +125°C
10880-013
0
100
200
Figure 13. DNL vs. Code (AD5142)