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Quad Digital Potentiometers (DP) with 64 Taps and 2-wire Interface
DP7409
FEATURES
Four linear taper digital potentiometers 64 resistor taps per potentiometer End to end resistance 2.5k, 10k, 50k or 100k 2-wire interface (I2C like) Low wiper resistance, typically 80 Four non-volatile wiper settings for each potentiometer Recall of saved wiper settings at power-up 2.5 to 6.0 volt operation Standby current less than 1µA 1,000,000 nonvolatile WRITE cycles 100 year nonvolatile memory data retention 24-lead SOIC and 24-lead TSSOP Write protection for data register
For Ordering Information details, see page 15.
PIN CONFIGURATION
TSSOP (Y)
SOIC (W)
SDA 1 A1 2
RL1 3 RH1 4 RW1 5 GND 6 NC 7 RW2 8 RH2 9 RL2 10 SCL 11
A3 12
24 WP 23 A2 22 RW0 21 RH0 20 RL0 19 VCC 18 NC 17 RL3 16 RH3 15 RW3 14 A0 13 NC
VCC 1 RL0 2 RH0 3 RW0 4
A2 5 WP 6 SDA 7 A1 8 RL1 9 RH1 10 RW1 11 GND 12
24 NC 23 RL3 22 RH3 21 RW3 20 A0 19 NC 18 A3 17 SCL 16 RL2 15 RH2 14 RW2 13 NC
DESCRIPTION
The DP7409 is fo.