Quick Detail:
Nonvolatile Memory, Dual 1024-Position Digital Potentiometer
Description:
The AD5235 is a dual-channel, nonvolatile memory,1 digitally controlled potentiometer2 with 1024-step resolution, offering guaranteed maximum low resistor tolerance error of ±8%.
The 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 an
SPI®-compatible serial interface allows 16 modes of operation and adjustment including scratchpad programming, memory storing and restoring, increment/decrement, ±6dB/step log taper adjustment, wiper setting read back, and extra EEMEM1for user defined information such as memory data for other components, look-up table, or system identification information.
Applications:
Dual-channel, 1024-position resolution
25 kΩ, 250 kΩnominal resistance
Maximum ±8% nominal resistor tolerance error
Low temperature coefficient: 35 ppm/°C
2.7 V to 5 V single supply or ±2.5 V dual supply
SPI-compatible serial interface
Nonvolatile memory stores wiper settings
Power-on refreshed with EEMEM settings
Permanent memory write protection
Resistance tolerance stored in EEMEM
26 bytes extra nonvolatile memory for user-defined information
1M programming cycles
100-year typical data retention
APPLICATIONS
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
Specifications:
|
Datasheets |
AD5235 |
|
Product Photos |
16-TSSOP |
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Product Change Notification |
Metal Edit Change 03/Feb/2012 |
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Standard Package |
1 |
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Category |
Integrated Circuits (ICs) |
|
Family |
Data Acquisition - Digital Potentiometers |
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Series |
- |
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Packaging |
Digi-Reel® |
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Taps |
1024 |
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Resistance (Ohms) |
25k |
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Number of Circuits |
2 |
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Temperature Coefficient |
35 ppm/°C Typical |
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Memory Type |
Non-Volatile |
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Interface |
4-Wire SPI (Chip Select) |
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Voltage - Supply |
2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V |
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Operating Temperature |
-40°C ~ 85°C |
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Mounting Type |
Surface Mount |
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Package / Case |
16-TSSOP (0.173", 4.40mm Width) |
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Supplier Device Package |
16-TSSOP |
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Other Names |
AD5235BRUZ25-RL7DKR |
Competitive Advantage:
Warranty :180 days !
Free shipping: Order over $1000 win a free shipment fee
(goods weight below 3Kg) ,during 20130901-20130930 .
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