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AMC1305M25DW
Analog to Digital Converters - ADC ±250-mV input, precision current sensing reinforced isolated modulator 16-SOIC -40 to 125
AMC1305M25DW
Analog to Digital Converters - ADC ±250-mV input, precision current sensing reinforced isolated modulator 16-SOIC -40 to 125
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製造商零件號 # : AMC1305M25DW
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包裝/封裝: SOIC-16
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製造商: Texas Instruments
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產品分類 : ADCs/DACs - Special Purpose
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AMC1305M25DW 數據表
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詳細說明
Ideal for applications involving current sensing in motor drives, green energy generation systems, or industrial settings, the AMC1305 delivers exceptional dc and ac performance when connected to shunt resistors or other low voltage signal sources. With the ability to achieve 16 bits of resolution and a dynamic range of 85 dB (13.8 ENOB) at a data rate of 78 kSPS by utilizing an appropriate digital filter, this modulator ensures accurate measurements
主要特徵
- Precise timing and synchronization functions
- Reliable hardware-based error detection
- High-speed data transmission protocols
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Device type | Current sensing | Peak-to-peak input voltage range (V) | 250mV |
| Interface type | Serial CMOS | Sample rate (max) (Msps) | 20 |
| Rating | Catalog | CMTI (min) (kV/µs) | 15 |
| Number of input channels | 1 | Architecture | Delta-Sigma |
| SNR (dB) | 85 | Operating temperature range (°C) | -40 to 125 |
| Power consumption (typ) (mW) | 36.1 | SFDR (dB) | 92 |
| Isolation rating | Reinforced | Withstand isolation voltage (VISO) (Vrms) | 5000 |
| Working isolation voltage (VIOWM) (Vrms) | 1500 | Transient isolation voltage (VIOTM) (VPK) | 7 |
| Creepage (min) (mm) | 8.5 | Clearance (min) (mm) | 8.5 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is AMC1305M25DW?
The AMC1305M25DW is a precision, isolated delta-sigma modulator designed by Texas Instruments. It is specifically developed for current shunt measurement in electronic motor drives and inverters, as well as isolated current sensing in power supplies, and solar inverters.
How Does AMC1305M25DW Work?
The AMC1305M25DW operates by converting differential voltage input signals into a digital output with high resolution and accuracy. It utilizes a delta-sigma modulator architecture to achieve high precision and linearity, and features an isolated interface for enhanced safety and noise immunity in high-voltage environments.
How Many Pins does AMC1305M25DW have and What are the Functions of the Pinout Configuration?
The AMC1305M25DW is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VDD1, VDD2: Power supply pins for the input side and output side, respectively.
- VSS1, VSS2: Ground pins for the input side and output side, respectively.
- VCM1: Common-mode voltage input pin for the input side.
- IN+ and IN-: Differential voltage input pins.
- VOUT: Digital output pin.
- NDRIVE: No-Connect pin for the digital isolator.
What are the Pros and Cons of AMC1305M25DW?
Pros:
- Isolated Interface: Provides safety and noise immunity in high-voltage applications.
- Precision: Offers high-resolution and accuracy for current measurement applications.
- Wide Temperature Range: Suitable for operation in harsh environments with a wide temperature range.
- Low Power Consumption: Operates with low power, contributing to energy efficiency.
- Compact Package: The SOIC package ensures ease of handling and integration.
Cons:
- External Components: May require external components for proper implementation in certain systems.
- Cost: Precision isolated modulators may carry a higher cost compared to non-isolated alternatives.
- Complexity: Requires careful consideration of safety and noise management due to the isolated interface.
Are There Any Equivalents/Alternatives to AMC1305M25DW for Recommendation?
- The AMC1305M25 from Texas Instruments is a similar precision isolated modulator with a different output data rate.
- Alternatives to the AMC1305M25DW include the ACPL-C870 from Broadcom and the ISO224 from Texas Instruments.
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