DS1845E-010+T&R

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DS1845E-010+T&R

IC DGTL POT 10KOHM 14TSSOP

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Especificaciones

Part Status Active
DigiKey Programmable Not Verified
Taper Linear
Configuration Potentiometer
Number of Circuits 2
Number of Taps 100, 256
Resistance (Ohms) 10k
Interface I2C
Memory Type Non-Volatile
Voltage - Supply 2.7V ~ 5.5V
Features Selectable Address
Tolerance ±20%
Temperature Coefficient (Typ) 750ppm/°C
Mounting Type Surface Mount
Supplier Device Package 14-TSSOP
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Operating Temperature -40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ) 500
Base Product Number DS1845

Descripción general

Description

The DS1845E-010+T&R is a digital potentiometer designed by Maxim Integrated (now part of Analog Devices). It features a dual-channel, 256-position resistive network, allowing precise adjustment of resistance in electronic circuits. The device is controlled via a 3-wire SPI interface, making it suitable for applications requiring digital control of analog signals.
Key specifications include a maximum resistance of 10 kΩ per channel and a low power consumption, ideal for battery-operated devices. The DS1845E-010+T&R also incorporates non-volatile memory, allowing settings to be retained even after power loss. This makes it useful in applications such as audio control, sensor calibration, and adjustable gain settings in amplifiers.
The device is available in a compact package, facilitating integration into space-constrained designs. Overall, the DS1845E-010+T&R is a versatile component for engineers looking to implement digital control in their analog circuits.

Features

The DS1845E-010+T&R is a digital potentiometer from Texas Instruments, designed for various applications in electronics. Key features include:
1. Digital Control: It offers digital control through a simple 2-wire I2C interface, allowing easy integration into microcontroller-based systems.
2. Resistance Range: The device features a total resistance of 10 kΩ, making it suitable for adjusting signal levels in audio and other applications.
3. Non-volatile Memory: The DS1845E retains its wiper position even after power loss, thanks to its EEPROM memory, ensuring settings are preserved.
4. Multiple Channels: It includes dual channels, enabling simultaneous control of two different resistive loads.
5. Power Supply: Operates within a voltage range of 2.7V to 5.5V, making it versatile for both low and standard voltage applications.
6. Temperature Range: Rated for operation over a wide temperature range, ensuring reliability in various environments.
7. Compact Package: Available in a small TSSOP package, facilitating easy integration into space-constrained designs.
These features make the DS1845E-010+T&R ideal for applications like audio control, sensor calibration, and other adjustable resistance needs.

Package

The DS1845E-010+T&R is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package). This compact package type is suitable for surface mount applications, offering a balance of performance and space efficiency.

Pinout

The DS1845E-010+T&R is a digital potentiometer with a total of 8 pins. Its primary functions include:
1. VDD (Pin 1): Power supply pin.
2. GND (Pin 2): Ground reference.
3. Wiper (Pins 3 and 4): These pins provide the variable output voltage based on the wiper position.
4. A (Pin 5): One end of the potentiometer connected to the high side.
5. B (Pin 6): The other end of the potentiometer connected to the low side.
6. SCL (Pin 7): Serial clock input for I2C communication.
7. SDA (Pin 8): Serial data input/output for I2C communication.
The device is designed for use in applications requiring adjustable resistance or variable voltage levels, such as in audio equipment and other electronic control systems.

Manufacturer

The DS1845E-010+T&R is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of innovative analog and digital integrated circuits (ICs). Established in 1930, TI is a major player in the electronics industry, providing solutions for various sectors, including industrial, automotive, communications, and consumer electronics. The company specializes in analog technology, embedded processing, and digital signal processing, catering to a diverse clientele with products such as microcontrollers, sensors, and programmable logic devices. Texas Instruments is recognized for its commitment to advancing technology and supporting engineers and designers with robust resources and tools.

Application

The DS1845E-010+T&R is a digital potentiometer widely used in applications such as audio volume control, sensor calibration, gain adjustment, and biasing in instrumentation. Its programmable resistance values make it ideal for precision tuning in consumer electronics, medical devices, and industrial automation. Additionally, it can be utilized in automated test equipment and other applications requiring adjustable resistance without mechanical components.

Equivalent

The DS1845E-010+T&R is a dual 256-position digital potentiometer. Equivalent products include:
1. MCP41010 (Microchip)
2. AD8400 (Analog Devices)
3. MAX5420 (Maxim Integrated)
4. ISL28177 (Intersil)
5. MCP4131 (Microchip)
Ensure to check specifications for compatibility with your specific application needs.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria