AMC1304M05QDWRQ1

Product Overview

Category

The AMC1304M05QDWRQ1 belongs to the category of integrated isolated amplifiers.

Use

This product is primarily used for current sensing and monitoring in various applications.

Characteristics

• Integrated isolated amplifier
• High accuracy current sensing
• Wide input voltage range
• Low power consumption
• Small package size
• Isolation voltage up to 4000 Vrms
• High common-mode rejection ratio (CMRR)
• Low offset voltage and drift

Package

The AMC1304M05QDWRQ1 comes in a small outline, thin shrink small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to accurately sense and monitor current while providing electrical isolation between the input and output.

Packaging/Quantity

The AMC1304M05QDWRQ1 is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: ±250 mV
• Supply Voltage Range: 2.7 V to 5.5 V
• Isolation Voltage: 4000 Vrms
• Gain Error: ±0.3%
• Offset Voltage: ±10 µV
• Bandwidth: 80 kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AMC1304M05QDWRQ1 has a total of 16 pins, which are configured as follows:

1. VDDA: Positive supply voltage for analog circuitry
2. VSSA: Ground for analog circuitry
3. INP: Non-inverting input for current sensing
4. INN: Inverting input for current sensing
5. VREF: Reference voltage for internal ADC
6. VDD: Positive supply voltage for digital circuitry
7. VSS: Ground for digital circuitry
8. SD: Shutdown pin for power-saving mode
9. CLK: Clock input for internal ADC
10. DOUT: Digital output of the internal ADC
11. DIN: Digital input for configuration
12. CS: Chip select input for SPI communication
13. SCLK: Serial clock input for SPI communication
14. MISO: Master In Slave Out for SPI communication
15. MOSI: Master Out Slave In for SPI communication
16. NC: No connection

Functional Features

• High accuracy current sensing with low gain error
• Electrical isolation between input and output
• Wide input voltage range allows for versatile applications
• Low power consumption for energy-efficient operation
• Small package size enables space-constrained designs
• High common-mode rejection ratio minimizes noise interference
• Low offset voltage and drift ensure accurate measurements

Advantages and Disadvantages

Advantages

• Accurate current sensing
• Electrical isolation
• Wide input voltage range
• Low power consumption
• Compact package size
• High common-mode rejection ratio
• Low offset voltage and drift

Disadvantages

• Limited bandwidth (80 kHz)
• Requires external clock signal for operation

Working Principles

The AMC1304M05QDWRQ1 utilizes a precision analog front-end to sense the current and an internal sigma-delta modulator to convert the analog signal into a digital representation. The digital output is then transmitted through the serial peripheral interface (SPI) for further processing. The electrical isolation is achieved using integrated transformers, ensuring safety and preventing ground loops.

Detailed Application Field Plans

The AMC1304M05QDWRQ1 finds applications in various fields, including but not limited to: - Industrial automation - Motor control systems - Power inverters - Battery management systems - Solar energy systems - Electric vehicle charging stations

Detailed and Complete Alternative Models

1. AMC1304M05: Similar specifications, but without the "QDWRQ1" package code.
2. AMC1304M25: Higher input voltage range of ±2.5 V.
3. AMC1304M50: Higher input voltage range of ±5 V.
4. AMC1304M100: Higher input voltage range of ±100 V.

These alternative models offer similar functionality with varying input voltage ranges to cater to different application requirements.

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