Datasheet
Table Of Contents
- Features
- Applications
- Functional Block Diagram
- General Description
- Specifications
- Absolute Maximum Ratings
- Pin Configuration and Function Descriptions
- Typical Performance Characteristics
- Test Circuits
- Theory of Operation
- Serial Data Interface
- Shift Register
- RDAC Register
- 20-TP Memory
- Write Protection
- Basic Operation
- 20-TP Readback and Spare Memory Status
- Shutdown Mode
- Resistor Performance Mode
- Reset
- SDO Pin and Daisy-Chain Operation
- RDAC Architecture
- Programming the Variable Resistor
- Programming the Potentiometer Divider
- EXT_CAP Capacitor
- Terminal Voltage Operating Range
- Applications Information
- Outline Dimensions
Data Sheet AD5291/AD5292
SPECIFICATIONS
analog.com Rev. G | 8 of 33
Resistor Performance Mode Code Range
Table 5.
Resistor Tolerance per
Code
R
AB
= 20 kΩ
|V
DD
− V
SS
| = 30 V to 33 V |V
DD
− V
SS
| = 26 V to 30 V |V
DD
− V
SS
| = 22 V to 26 V |V
DD
− V
SS
| = 21 V to 22 V
R
WB
R
WA
R
WB
R
WA
R
WB
R
WA
R
WB
R
WA
1% R-Tolerance From 0x15E to
0x3FF
From 0x000 to
0x2A1
From 0x1F4 to
0x3FF
From 0x000 to
0x20B
From 0x1F4 to
0x3FF
From 0x000 to
0x20B
N/A N/A
2% R-Tolerance From 0x8C to
0x3FF
From 0x000 to
0x373
From 0xB4 to
0x3FF
From 0x000 to
0x34B
From 0xFA to
0x3FF
From 0x000 to
0x305
From 0xFA to
0x3FF
From 0x000 to
0x305
3% R-Tolerance From 0x5A to
0x3FF
From 0x000 to
0x3A5
From 0x64 to
0x3FF
From 0x000 to
0x39B
From 0x78 to
0x3FF
From 0x000 to
0x387
From 0x78 to
0x3FF
From 0x000 to
0x387
Table 6.
Resistor Tolerance per
Code
R
AB
= 50 kΩ R
AB
= 100 kΩ
|V
DD
− V
SS
| = 26 V to 33 V |V
DD
− V
SS
| = 21 V to 26 V |V
DD
− V
SS
| = 26 V to 33 V |V
DD
− V
SS
| = 21 V to 26 V
R
WB
R
WA
R
WB
R
WA
R
WB
R
WA
R
WB
R
WA
1% R-Tolerance From 0x08C to
0x3FF
From 0x000 to
0x35F
From 0x0B4 to
0x3FF
From 0x000 to
0x31E
From 0x04B to
0x3FF
From 0x000 to
0x3B4
From 0x064 to
0x3FF
From 0x000 to
0x39B
2% R-Tolerance From 0X03C to
0x3FF
From 0x000 to
0x3C3
From 0x050 to
0x3FF
From 0x000 to
0x3AF
From 0x028 to
0x3FF
From 0x000 to
0x3D7
From 0x028 to
0x3FF
From 0x000 to
0x3D7
3% R-Tolerance From 0X028 to
0x3FF
From 0x000 to
0x3D7
From 0x032 to
0x3FF
From 0x000 to
0x3CD
From 0x019 to
0x3FF
From 0x000 to
0x3E6
From 0x019 to
0x3FF
From 0x000 to
0x3E6