Product Details
| GENERAL DESCRIPTION The AD5235 is a dual-channel, nonvolatile memory, 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, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM for user defined information such as memory data for other components, look-up table, or system identification information. Dual-channel, 1024-position resolution 25 kΩ, 250 kΩ nominal 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 DWDM laser diode driver, optical supervisory systems Mechanical potentiometer replacement Instrumentation: gain, offset adjustment Programmable voltage-to-current conversion filters, delays, time constants power supply DAC replacement Sensor calibration |
Product Description
| Type | Description |
| ANSC PART# | ANSC - AD5235BRUZ25 |
| Category | Integrated Circuits (ICs) |
| Data Acquisition | |
| Digital Potentiometers | |
| Manufacturer | Original |
| Series | - |
| Packaging | Tube |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Taper | Linear |
| Configuration | Potentiometer |
| Number of Circuits | 2 |
| Number of Taps | 1024 |
| Resistance (Ohms) | 25k |
| Interface | SPI |
| Memory Type | Non-Volatile |
| Voltage - Supply | 2.7V ~ 5V, ±2.25V ~ 2.75V |
| Features | Cascade Pin |
| Tolerance | ±8% |
| Temperature Coefficient (Typ) | 35ppm/°C |
| Mounting Type | Surface Mount |
| Supplier Device Package | 16-TSSOP |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Resistance - Wiper (Ohms) (Typ) | 50 |
| Base Product Number | AD5235 |
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