TMUX7308F
- Wide supply range:
- Dual supply: ±5 V to ±22 V
- Single supply: 8 V to 44 V
- Integrated fault protection:
- Overvoltage protection, source to supplies or source to drain: ±85 V
- Overvoltage protection: ±60 V
- Powered-off protection: ±60 V
- Non-fault channels continue to operate
- Known state without logic inputs present
- Output clamped to the supply in overvoltage condition
- Latch-up immune
- 1.8-V Logic capable
- Fail-safe logic: up to 44 V independent of supply
- Integrated pull-down resistor on logic pins
- Break-before-make switching
- Industry standard TSSOP and smaller WQFN packages
The TMUX7308F and TMUX7309F are modern complementary metal-oxide semiconductor (CMOS) analog multiplexers in 8:1 (single ended) and 4:1 (differential) configurations. The devices work well with dual supplies (±5 V to ±22 V), a single supply (8 V to 44 V), or asymmetric supplies (such as V DD = 12 V, V SS = –5 V). The overvoltage protection is available in powered and powered-off conditions, making the TMUX7308F and TMUX7309F devices suitable for applications where power supply sequencing cannot be precisely controlled.
The device blocks fault voltage up to +60 V or –60 V relative to ground in both powered and powered-off conditions. When no power supplies are present, the switch channels remain in the OFF state regardless of switch input conditions and logic control status. Under normal operation conditions, if the analog input signal level on any Sx pin exceeds the supply voltage (V DD or V SS) by a threshold voltage (V T), the channel turns OFF and the Sx pin becomes high impedance. When the fault channel is selected, the drain pin (D or Dx) is pulled to the supply (V DD or V SS) that was exceeded.
The low capacitance, low charge injection, and integrated fault protection enables the TMUX7308F and TMUX7309F devices to be used in front end data acquisition applications where high performance and high robustness are both critical. The devices are available in a standard TSSOP package and smaller WQFN package (ideal if PCB space is limited).
기술 자료
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | TMUX730xF ±60-V Fault-Protected, 8:1 and Dual 4:1 Multiplexers with Latch-Up Immunity and 1.8-V Logic datasheet (Rev. C) | PDF | HTML | 2023/07/12 |
Application note | Protecting and Maintaining Signal Integrity in PLC Systems (Rev. A) | PDF | HTML | 2024/07/22 | |
Application note | How to Handle High Voltage Common Mode Applications using Multiplexers | PDF | HTML | 2022/10/03 | |
Application brief | Replace Discrete Protection and Optimize Your PLC System Protection | PDF | HTML | 2022/01/03 | |
Application note | Protection Against Overvoltage Events, Miswiring, and Common Mode Voltages | PDF | HTML | 2021/10/07 | |
Application note | Improving Analog Input Modules Reliability Using Fault Protected Multiplexers | PDF | HTML | 2021/09/28 | |
Application note | Using Latch Up Immune Multiplexers to Help Improve System Reliability (Rev. A) | 2021/09/20 |
설계 및 개발
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The EVM-LEADED1 board allows for quick testing and bread boarding of TI's common leaded packages. The board has footprints to convert TI's D, DBQ, DCT,DCU, DDF, DGS, DGV, and PW surface mount packages to 100mil DIP headers.
LEADLESS-ADAPTER1 — TI의 6, 8, 10, 12, 14, 16 및 20핀 리드 없는 패키지의 테스트를 위한 DIP 헤더 어댑터에 대한 표면 실장
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
TSSOP (PW) | 16 | Ultra Librarian |
WQFN (RRP) | 16 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
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