Datasheet
Table Of Contents
- Features
- Applications
- Functional Block Diagram
- General Description
- Revision History
- Specifications
- Absolute Maximum Ratings
- Pin Configuration and Function Descriptions
- Typical Performance Characteristics
- Test Circuits
- I2C Interface
- Theory of Operation
- Programming the Variable Resistor
- Programming the Potentiometer Divider
- I2C-Compatible 2-Wire Serial Bus
- Level Shifting for Bidirectional Interface
- ESD Protection
- Terminal Voltage Operating Range
- Maximum Operating Current
- Power-Up Sequence
- Layout and Power Supply Bypassing
- Constant Bias to Retain Resistance Setting
- Outline Dimensions

AD5247 Data Sheet
Rev. F | Page 10 of 20
–100
–80
–60
–40
–20
0
20
40
60
80
100
1 10 19 28 37 46 55 64 73 82 91 100 109 118 127
POTENTIOMETER MODE TEMPCO (ppm/°C)
CODE (Decimal)
2.7V
5V
V
A
= V
DD
R
AB
= 10kΩ
03876-014
Figure 16. ∆V
WB
/∆T vs. Code
GAIN (dB)
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
FREQUENCY (Hz)
03876-015
Figure 17. Gain vs. Frequency vs. Code, R
AB
= 5 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
GAIN (dB)
FREQUENCY (Hz)
03876-016
Figure 18. Gain vs. Frequency vs. Code, R
AB
= 10 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
GAIN (dB)
FREQUENCY (Hz)
03876-017
Figure 19. Gain vs. Frequency vs. Code, R
AB
= 50 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
0x40
1k
–48
0x20
0x10
0x08
0x04
0x02
0x01
GAIN (dB)
FREQUENCY (Hz)
03876-018
Figure 20. Gain vs. Frequency vs. Code, R
AB
= 100 kΩ
10k
–6
–12
–18
–24
–30
–36
0
–42
–54
100k 1M 10M
–60
5kΩ
1k
–48
50kΩ
10kΩ
100kΩ
GAIN (dB)
FREQUENCY (Hz)
03876-019
Figure 21. −3 dB Bandwidth @ Code = 0x80