The TMUX7436F is a complementary metal-oxide semiconductor (CMOS) analog multiplexer with latch-up immunity in a dual channel, 2:1 configuration. The device works 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 TMUX7436F device suitable for applications where power supply sequencing cannot be precisely controlled.

The device blocks fault voltages up to +60 V or −60 V relative to ground in 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 any control signal present on the logic pins is ignored. If the signal path input voltage on any Sx pin exceeds the supply voltage (V_DD or V_SS) by a threshold voltage (V_T), then the channel turns OFF and the Sx pin becomes high impedance. The drain pin (Dx) is either pulled to the fault supply voltage that was exceeded or left floating depending on the DR control logic. The TMUX7436F device provides two active-low interrupt flags (FF and SF) to provide details of the fault and help system diagnostics. The FF flag indicates if any of the source inputs are experiencing a fault condition, while the SF flag is used to decode which specific inputs are experiencing a fault condition.

• Wide supply voltage range:
  • Single supply: 8 V to 44 V
  • Dual supply: ±5 V to ±22 V
• Integrated fault protection:
  • Overvoltage protection, source to supplies or source to drain: ±85 V
  • Overvoltage protection: ±60 V
  • Powered-off protection: ±60 V
  • Interrupt flags to indicate fault status
  • Output open circuited during fault
• Latch-up immunity by device construction
• 6 kV human body model (HBM) ESD rating
• Low On-Resistance: 8.3 Ω typical
• Flat On-Resistance: 10 mΩ typical
• 1.8-V Logic capable

• Failsafe logic: up to 44 V independent of supply

• Industry-standard TSSOP and smaller WQFN packages

• Configuration
• 2:1 SPDT
• Number of channels (#)
• 2
• Power supply voltage - single (V)
• 8, 12, 16, 20, 36, 44
• Protocols
• Analog
• Ron (Typ) (Ohms)
• 8.3
• CON (Typ) (pF)
• 30
• ON-state leakage current (Max) (μA)
• 0.027
• Bandwidth (MHz)
• 220
• Operating temperature range (C)
• -40 to 125
• Features
• 1.8-V compatible control inputs, Break-before-make, Fail-safe logic, Overvoltage protection, Powered-off protection
• Rating
• Catalog
• Supply current (Typ) (uA)
• 26

TMUX7436F的完整型号有：PTMUX7436FPWR，以下是这些产品的关键参数及官网采购报价：

PTMUX7436FPWR，工作温度：-40 to 125，封装：TSSOP (PW)-16，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：-，引脚镀层/焊球材料：-，TI官网PTMUX7436FPWR的批量USD价格：3.8（1000+）

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