MCP4162-503E/MS - 50kΩ SPI Digital Potentiometer | Microchip
N.º da peça: MCP4162-503E/MS ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MCP4162-503E/MS Visão geral
A digital potentiometer is a programmable passive-network component that replaces a conventional mechanical potentiometer. Its internal resistor array provides two terminals and a wiper terminal, while an external controller moves the wiper through discrete codes. Digital potentiometers belong to the broader analog-control IC and programmable-resistor categories and are commonly used for gain, offset, filtering, sensing, and calibration circuits.
The MCP4162-503E/MS provides 257 selectable wiper positions, corresponding to 8-bit control resolution and a nominal 50kΩ resistance. Its SPI-compatible serial interface supports digital setting from a host controller, while the non-volatile memory preserves the programmed wiper value for subsequent power cycles. The device is identified by verified distributor data as a single-circuit digital potentiometer in an 8-MSOP package.
The -503E/MS ordering code denotes the 50kΩ resistance option and the MS package variant. The E designation is associated with the extended operating-temperature option in common Microchip digital-potentiometer naming, although the exact temperature limits and electrical tolerances should be confirmed in the manufacturer datasheet before production release. The part uses a four-wire SPI interface with chip select, serial clock, serial data input, serial data output, and power pins in the 8-pin package.
Typical applications include programmable amplifier gain stages, sensor-signal conditioning, audio volume or attenuation control, industrial calibration networks, and embedded systems requiring persistent control settings. Because the MCP4162-503E/MS stores its wiper value in non-volatile memory, it is useful when the system must restart without losing a calibration or user-adjustment value.
Designers should verify the complete pinout, electrical limits, wiper resistance, memory endurance, and timing characteristics against the Microchip MCP4162 datasheet. Place the device close to the controlled analog network, keep SPI traces away from sensitive high-impedance nodes, and confirm that the selected resistance and wiper current suit the application. This product page combines verified distributor information, package data, replacement guidance, and practical selection notes for engineers evaluating the MCP4162-503E/MS.
Alternativas drop-in para MCP4162-503E/MS — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MCP4162T-503E/MS
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCP4161T-503E/MS
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCP4151-503E/MS
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCP4162-503E/MS Especificações
| Product Type | Non-volatile digital potentiometer |
| Number of Circuits | 1 |
| End-to-End Resistance | 50 kΩ |
| Wiper Taps | 257 |
| Control Resolution | 8-bit |
| Interface | 4-wire SPI with chip select |
| Non-Volatile Storage | EEPROM-backed wiper memory |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Temperature Coefficient | ±150 ppm/°C |
| Temperatura de operação | -40 °C to +125 °C |
| Encapsulamento | 8-MSOP |
| Package Type | Surface-mount MSOP |
| Contagem de pinos | 8 pins |
| Wiper Configuration | Single potentiometer circuit |
Guia de Configuração de Pinos do MCP4162-503E/MS surface-mount msop
Configuração de pinos para MCP4162-503E/MS (pacote surface-mount msop). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para MCP4162-503E/MS.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MCP4162-503E/MS é adequado para 6 aplicaçãos: Programmable Amplifier Gain Control, Sensor Signal Conditioning, Audio Level Adjustment, Industrial Calibration Systems, Battery-Powered Instrument Control, Programmable Reference and Threshold Networks.
Programmable Amplifier Gain Control
MCP4162-503E/MS fits programmable-gain amplifier front ends where a microcontroller must adjust feedback or attenuation resistance without a mechanical trimmer. The 50kΩ nominal array and 257 wiper positions provide useful adjustment granularity for multiple gain ranges. Place the potentiometer near the feedback network and verify the amplifier’s input bias, noise, bandwidth, and settling requirements. EEPROM-backed wiper storage also allows the selected gain to survive reset, making calibration settings repeatable across production and field updates.
Recomendado
Sensor Signal Conditioning
Use MCP4162-503E/MS to provide programmable resistance in sensor excitation, threshold, or offset networks. Its 257 digital positions can replace repeated manual calibration adjustments, while non-volatile storage preserves the selected code after power cycling. The 50kΩ resistance should be checked against the sensor source impedance and required excitation current. Engineers should also validate leakage, wiper impedance, temperature drift, and noise in the complete analog path rather than relying on nominal resistance alone.
Recomendado
Audio Level Adjustment
MCP4162-503E/MS can implement digitally adjustable attenuation or level-control networks in audio and communication equipment. The 257 wiper positions provide coarse digital resolution, and EEPROM-backed memory lets the host restore a user-selected setting after power-up. Because the resistance element and wiper introduce impedance and possible distortion, evaluate signal level, load impedance, bandwidth, and linearity in the intended audio topology. It is generally more suitable for moderate-level control than precision low-noise audio gain blocks without further buffering.
Recomendado
Industrial Calibration Systems
MCP4162-503E/MS is appropriate for industrial equipment requiring a persistent calibration offset or configurable resistance. A service technician or host controller can write the desired tap over SPI, and the non-volatile memory retains the setting when the equipment restarts. This simplifies calibration workflows and avoids repeated manual potentiometer adjustment. For production designs, confirm the complete operating-temperature range, memory endurance, wiper reliability, and system-level measurement accuracy against the manufacturer datasheet.
Recomendado
Battery-Powered Instrument Control
The 2.7 V to 5.5 V supply range makes MCP4162-503E/MS suitable for compact battery-powered instruments where a low-voltage SPI-controlled adjustment is needed. Its non-volatile wiper storage reduces the need to restore calibration after every power cycle, while the small MSOP package supports compact layouts. Designers should account for the device’s supply current, SPI activity, analog signal range, and leakage when optimizing battery life. Sleep-mode behavior and memory-write requirements should be verified in the datasheet.
Recomendado
Programmable Reference and Threshold Networks
MCP4162-503E/MS can adjust a resistive divider or threshold network when the target value must be changed by firmware. The 257 taps allow a host controller to converge on a measured setpoint and store it in non-volatile memory. This is useful in equipment with selectable sensitivity or configurable reference points. The actual threshold accuracy depends on resistor tolerance, wiper resistance, leakage, ADC accuracy, and temperature behavior, so measure the implemented network rather than relying only on the nominal 50kΩ value.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MCP4162-503E/MS — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MCP4162T-503E/MS | MCP4161T-503E/MS | MCP4151-503E/MS |
|---|---|---|---|---|
| Package | 8-MSOP | 8-MSOP | 8-MSOP | 8-MSOP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Number of Circuits | 1 | 1 | 1 | 1 |
| End-to-End Resistance | 50 kΩ | 50 kΩ | 50 kΩ | 50 kΩ |
| Wiper Taps | 257 | 257 | 257 | 257 |
| Interface | 4-wire SPI | SPI | SPI | SPI |
| Non-Volatile Storage | EEPROM-backed wiper memory | Non-volatile digital potentiometer | Non-volatile digital potentiometer | Non-volatile digital potentiometer |
Principais diferenciais
- Single 50kΩ non-volatile digital potentiometer with 257 taps (vs MCP4162T-503E/MS)
- EEPROM-backed wiper persistence (vs MCP4161T-503E/MS)
- 4-wire SPI control in a compact 8-MSOP package (vs MCP4151-503E/MS)
Notas de projeto
Place MCP4162-503E/MS close to the resistor network and analog signal path. Keep SPI lines short and route them away from high-impedance or precision analog nodes. Use a local, low-impedance supply connection and follow the manufacturer's bypass-capacitor recommendations. Because the verified excerpts do not include the complete pinout or layout reference, verify package-specific land geometry and exposed-pad requirements from the official datasheet before fabrication.
Treat the digital potentiometer as an analog component controlled by a digital bus. Terminate or manage SPI clock, data, and chip-select routing to prevent ringing, and provide a quiet return path. For sensor or audio networks, evaluate wiper impedance, leakage, capacitance, noise, and loading rather than relying only on the nominal 50kΩ resistance. Bench-test settling time after each code change if the controlled signal is timing-sensitive.
Do not assume that all MCP4162 order codes are interchangeable merely because they share the 50kΩ resistance and 257-tap description. Confirm the complete ordering code, exact pinout, voltage limits, memory behavior, and temperature grade in the manufacturer datasheet. Also verify that the selected SPI mode, clock timing, and chip-select sequence match the host controller before writing production firmware.
Estimate the device's power budget from the actual supply voltage and the operating current specified in the datasheet. For a 3.3 V system, the verified 2.7 V to 5.5 V operating range is compatible in principle, but the complete current and sleep-mode behavior are not present in the supplied excerpts. Confirm quiescent current, active SPI current, and memory-write timing before optimizing battery life or designing a power-sequencing scheme.
Informações de conformidade
The supplied verified excerpts identify Microchip Technology as the manufacturer but do not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current manufacturer product documentation or declaration.
