AD5235 is a dual-channel, non-volatile memory, digitally controlled potentiometer with 1024-step resolution, offering guaranteed maximum low resistor tolerance error of ±8%. Device performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. The versatile programming of the AD5235 via a SPI®-compatible serial interface allows 16 modes of operation and adjustment including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM1 for user defined information. Application includes DWDM laser diode driver, optical supervisory systems, mechanical potentiometer replacement, instrumentation: gain, offset adjustment, programmable voltage-to-current conversion, programmable filters, delays, time constants, programmable power supply, low resolution DAC replacement, sensor calibration.
- Nominal resistor tolerance range from -8 to +8% (VDD = 2.7V to 5.5V, -40 < TA< +85C)
- 35ppm/°C typical resistance temperature coefficient (VDD = 2.7V to 5.5V, -40 < TA< +85C)
- SPI-compatible serial interface, non-volatile memory stores wiper settings
- Power-on refreshed with EEMEM settings, permanent memory write protection
- Resistance tolerance stored in EEMEM, 26bytes extra non-volatile memory for user-defined information
- 1M programming cycles
- 100years typical data retention (VDD = 2.7V and VDD = 5V)
- Single supply power range from 2.7V to 5.5V (VSS = 0V, -40°C < TA < +85°C)
- Dual supply power range from ±2.25V to ±2.75V (-40°C < TA < +85°C)
- 16 lead TSSOP package, operating temperature range from -40°C to +85°C
Product details
End To End Resistance:
250kohm
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No. of Pots:
Dual
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Control Interface:
4 Wire, Serial, SPI
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Track Taper:
Linear / Logarithmic
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Resistance Tolerance:
± 8%
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Supply Voltage Min:
2.7V
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Supply Voltage Max:
5.5V
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Potentiometer IC Case Style:
TSSOP
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No. of Pins:
16Pins
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No. of Steps:
1024
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Temperature Coefficient:
35ppm/°C
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Operating Temperature Min:
-40°C
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Operating Temperature Max:
85°C
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Product Range:
Dual 1024-Tap Non-Volatile Digital Pots
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Automotive Qualification Standard:
-
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MSL:
MSL 3 - 168 hours
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Other details
Brand |
ANALOG DEVICES |
Part Number |
AD5235BRUZ250-R7 |
Quantity |
Each (Supplied on Cut Tape) |
Technical Data Sheet EN |
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