계산 툴
AMC1204
- ±250-mV input voltage range optimized for shunt resistors
- Safety-related certifications:
- 4250-VPK (AMC1204B) basic isolation per DIN VDE V 0884-11: 2017-01
- 3005-VRMS (AMC1204B) isolation for 1 minute per UL1577
- CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1
- Working voltage: 1200 VPEAK
- Transient immunity: 15 kV/µs
- High electromagnetic field immunity
(see SLLA181A application report) - Outstanding AC performance:
- SNR: 84 dB (minimum)
- THD: –80 dB (maximum)
- Excellent DC precision:
- INL: ±8 LSB (maximum)
- Gain Error: ±2% (maximum)
- External clock input for easier synchronization
- Fully specified over the extended industrial temperature range
The AMC1204 and AMC1204B are 1-bit digital output, isolated delta-sigma (ΔΣ) modulators that can be clocked at up to 20 MHz. The digital isolation of the modulator output is provided by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide basic galvanic isolation of up to 4000 VPEAK (AMC1204) and 4250 VPEAK (AMC1204B) according to UL1577, VDE V 0884-11, and CSA standards or specifications.
The AMC1204 and AMC1204B provide a single-chip solution for measuring the small signal of a shunt resistor across an isolated barrier. These types of resistors are typically used to sense currents in motor control inverters, green energy generation systems, and other industrial applications. The AMC1204 and AMC1204B differential inputs easily connect to the shunt resistor or other low-level signal sources. An internal reference eliminates the need for external components. When used with an appropriate external digital filter, an effective number of bits (ENOB) of 14 is achieved at a data rate of 78 kSPS.
A 5-V analog supply (AVDD) is used by the modulator while the isolated digital interface operates from a 3-V, 3.3-V, or 5-V supply (DVDD). The AMC1204 and AMC1204B are available in SOIC-16 (DW) and SOIC-8 (DWV) packages and are specified from –40°C to 105°C.
기술 문서
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모두 보기9 | 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | AMC1204 20-MHz, Second-Order, Isolated Delta-Sigma Modulator for Current-Shunt Measurement datasheet (Rev. F) | PDF | HTML | 2020/02/11 |
| Certificate | VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) | 2024/01/31 | ||
| Application brief | Shunt Resistor Selection for Isolated Data Converters | PDF | HTML | 2023/05/04 | |
| Certificate | UL Certificate of Compliance File E181974 Vol 4 Sec 1 (Rev. A) | 2022/08/05 | ||
| White paper | Comparing isolated amplifiers and isolated modulators (Rev. A) | 2019/02/28 | ||
| Certificate | CSA Certification (Certificate: 220991) (Rev. A) | 2015/10/23 | ||
| Application note | How to Optimize Performance of AMC1204 in Voltage Sensing | 2015/08/31 | ||
| Application note | TIC Digital Interface (Rev. A) | 2013/12/02 | ||
| EVM User's guide | AMC1204EVM User Guide | 2010/08/06 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
평가 보드
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사용 설명서: PDF
평가 보드
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사용 설명서: PDF
평가 보드
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레퍼런스 디자인
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레퍼런스 디자인
TIDM-02006 — 고속 직렬 인터페이스(FSI)를 통한 분산 다중 축 서보 드라이브 레퍼런스 설계
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레퍼런스 디자인
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| 패키지 | 핀 | 다운로드 |
|---|---|---|
| SOIC (DW) | 16 | 옵션 보기 |
| SOIC (DWV) | 8 | 옵션 보기 |
주문 및 품질
포함된 정보:
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
포함된 정보:
- 팹 위치
- 조립 위치
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.