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20 Terminations2.5V 20 Pin AD5254 Digital PotentiometersI2C256 Positions
- Manufacturer: Analog Devices Inc.
- NO: 84-AD5254BRUZ50
- Package: 20-TSSOP (0.173, 4.40mm Width)
- Datasheet:
- Stock: 626
- Description: 20 Terminations2.5V 20 Pin AD5254 Digital PotentiometersI2C256 Positions(Kg)
- Delivery:
- Payment:
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| Parameters | |
|---|---|
| Factory Lead Time | 8 Weeks |
| Lifecycle Status | PRODUCTION (Last Updated: 4 months ago) |
| Contact Plating | Tin |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173, 4.40mm Width) |
| Number of Pins | 20 |
| Operating Temperature | -40°C~105°C |
| Packaging | Tube |
| Tolerance | ±20% |
| JESD-609 Code | e3 |
| Feature | Selectable Address |
| Pbfree Code | no |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| ECCN Code | EAR99 |
| Temperature Coefficient | 300 ppm/°C |
| Resistance | 50kOhm |
| Number of Positions | 256 |
| Technology | CMOS |
| Voltage - Supply | 2.7V~5.5V ±2.25V~2.75V |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 4 |
| Supply Voltage | 2.5V |
| Terminal Pitch | 0.65mm |
| Frequency | 400kHz |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | AD5254 |
| Pin Count | 20 |
| Power Supplies | 3/5V |
| Configuration | Potentiometer |
| Interface | I2C |
| Number of Circuits | 4 |
| Operating Supply Current | 3μA |
| Nominal Supply Current | 3μA |
| Memory Type | Non-Volatile |
| Max Supply Current | 5μA |
| Quiescent Current | 5μA |
| Bandwidth | 0.08 kHz |
| Taper | Linear |
| Max Dual Supply Voltage | 2.75V |
| -3db Bandwidth | 4MHz |
| Min Dual Supply Voltage | 2.25V |
| Dual Supply Voltage | 2.5V |
| Negative Supply Voltage-Nom | -2.5V |
| Number of Taps | 256 |
| Total Resistance | 50000Ohm |
| Resistance - Wiper (Ω) (Typ) | 200 |
| Temperature Coefficient (Typ) | 650ppm/°C |
| Height | 1.05mm |
| Length | 6.5mm |
| Width | 4.4mm |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Contains Lead |
AD5254BRUZ50 Description
The AD5254BRUZ50 is a quad-channel, I2C®, nonvolatile memory, digitally controlled potentiometer with 64/256 positions, respectively.
AD5254BRUZ50 Features
Nonvolatile memory1 stores wiper settings w/write protection
Power-on refreshed to EEMEM settings in 300 µs typ
EEMEM rewrite time = 540 µs typ
Resistance tolerance stored in nonvolatile memory
12 extra bytes in EEMEM for user-defined information
I2C-compatible serial interface
Direct read/write access to RDAC2 and EEMEM registers
Predefined linear increment/decrement commands
Predefined ±6 dB step change commands
Synchronous or asynchronous quad-channel update
Wiper setting readback
4 MHz bandwidth—1 kΩ version
Single supply 2.7 V to 5.5 V
Dual supply ±2.25 V to ±2.75 V
2 slave address-decoding bits allow the operation of 4 devices
100-year typical data retention, TA = 55°C
Operating temperature: –40°C to +105°C
AD5254BRUZ50 Applications
Mechanical potentiometer replacement
Low-resolution DAC replacement
RGB LED backlight control
White LED brightness adjustment
RF base station power amp bias control
Programmable gain and offset control
Programmable attenuators
Programmable voltage-to-current conversion
Programmable power supply
Programmable filters
Sensor calibrations
