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Name: AMC1304L25DWR
Brand: Texas Instruments
SKU: AMC1304L25DWR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments AMC1304L25DWR

Part No.:: AMC1304L25DWR

Manufacturer:: Texas Instruments

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: AMC1304L25DWR.pdf

Description:: IC ISOLATED MOD 16BIT 78K 16SOIC

In Stock:: 2758

Quantity:: Add To Cart

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AMC1304L25DWR Specifications

Package/Case:
16-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Isolated Module
NumberofChannels:
1
Resolution(Bits):
16 b
SamplingRate(PerSecond):
78k
DataInterface:
LVDS - Serial
VoltageSupplySource:
Single Supply
Voltage-Supply:
3V ~ 5.5V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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AMC1304L25DWR information

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AMC1304L25DWR Typical application Circuitry

AMC1304L25DWR

The AMC1304L25DWR is a component of the AMC1304 series by Texas Instruments, which consists of high-precision, delta-sigma (ΔΣ) modulators with a built-in digital isolation barrier. This series is specifically designed for current and voltage sensing in applications such as motor control, renewable energy systems, and power quality monitoring, where accurate signal conversion and isolation are critical for system performance and safety.

1. High-Voltage Input (IN+, IN-): The AMC1304L25DWR is equipped with a differential input, IN+ and IN-, designed for direct connection to the analog signal source, such as a shunt resistor for current sensing or a voltage divider for voltage sensing. The differential nature of these inputs allows for accurate sensing of the signal, minimizing the effects of common-mode noise.

2. Supply Voltage for Analog Side (AVDD1, AGND1): The analog side of the AMC1304L25DWR, which includes the signal input circuitry, requires a separate supply voltage, AVDD1. This supply should be stable and clean to ensure accurate modulator performance. AGND1 serves as the ground reference for the analog side and should be connected to the system's analog ground plane.

3. Isolated Supply Voltage for Digital Side (DVDD2, DGND2): The digital side of the device, which interfaces with the digital isolator, operates with its own supply voltage, DVDD2. The high-voltage side and the low-voltage digital circuitry are better isolated from one another thanks to this separation from the analog supply. The digital side's ground reference, or DGND2, has to be linked to the system's digital ground plane.

4. Isolated Data Outputs (DOUT+, DOUT-): The AMC1304L25DWR features differential data outputs, DOUT+ and DOUT-, which transmit the isolated delta-sigma modulated bitstream to a digital signal processor (DSP) or microcontroller for further processing and filtering. The differential outputs provide robustness against common-mode noise in the digital domain.

5. Clock Input (CLKIN): The external clock input, CLKIN, drives the internal modulator and should be connected to a stable and precise clock source. The frequency of this clock determines the modulator's sampling rate and directly impacts the resolution and bandwidth of the signal conversion.

6. Reference Voltage (REFP, REFN): The differential reference voltage inputs, REFP and REFN, define the full-scale range of the analog input signal. Connecting these pins to a precise reference voltage source is essential for achieving accurate signal conversion.

7. Filter Capacitor (CFLT): The CFLT pin connects to an external capacitor, which sets the modulator's digital filter characteristics. The value of this capacitor influences the noise performance and bandwidth of the output signal, and should be selected based on the specific application requirements.

8. Thermal Management and Layout Considerations: Given the precision nature of the AMC1304L25DWR, careful attention should be paid to thermal management and PCB layout. Keeping the analog and digital grounds separate and minimizing the loop areas for the analog inputs can help maintain signal integrity and accuracy.

Incorporating the AMC1304L25DWR into a system requires a detailed understanding of each pin's function and the overall circuit configuration, ensuring that the analog signals are accurately captured, and the isolation barrier is effectively implemented. By adhering to these design principles, the AMC1304L25DWR can be utilized to its full potential, providing precise signal conversion and isolation in demanding industrial and energy applications.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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