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TMUX9832
  • TMUX9832
  • TMUX9832

TMUX9832

PREVIEW

5V supply, 220V, high-voltage 1:1 32-channel switch with latch-up immunity

Texas Instruments TMUX9832 Product Info

1 April 2026 3

Parameters

Configuration

1:1 SPST

Number of channels

32

Power supply voltage - single (V)

5

Protocols

Analog

Operating temperature range (°C)

-40 to 85

Features

1.8-V compatible control inputs, Daisy chain mode, Integrated bleed resistors on the outputs, Supports input voltage beyond supply

Rating

Catalog

Supply voltage (max) (V)

5.5

Package

NFBGA (ZEH)-83-56.25 mm² 7.5 x 7.5

Features

  • Only +5 V bias supply required
    • Very low power: 9.5 mW (typ) all 32CH switching at 50 kHz
  • Wide input signal range:
    • Up to ±110 V, 220 V PP
    • ±120 V, 240 V PP voltage overshoots supported
  • Low off capacitance: 10.6 pF
  • Low on resistance
  • Up to 100 MHz data shift clock frequency
  • Logic levels: 1.8 V to 5 V
  • Integrated NDIN to invert input data polarity
  • Fast turn-on time: 3 µs (maximum)
  • Excellent HD2PC performance: -65 dB at 5 MHz
  • Small BGA and QFN package options with optimized pin-out
  • Integrated thermal shutdown for improved system reliability
  • Integrated bleed resistors on the outputs
  • Latch-up immunity by device construction
  • Extended temperature range: –40°C to 125°C
  • Only +5 V bias supply required
    • Very low power: 9.5 mW (typ) all 32CH switching at 50 kHz
  • Wide input signal range:
    • Up to ±110 V, 220 V PP
    • ±120 V, 240 V PP voltage overshoots supported
  • Low off capacitance: 10.6 pF
  • Low on resistance
  • Up to 100 MHz data shift clock frequency
  • Logic levels: 1.8 V to 5 V
  • Integrated NDIN to invert input data polarity
  • Fast turn-on time: 3 µs (maximum)
  • Excellent HD2PC performance: -65 dB at 5 MHz
  • Small BGA and QFN package options with optimized pin-out
  • Integrated thermal shutdown for improved system reliability
  • Integrated bleed resistors on the outputs
  • Latch-up immunity by device construction
  • Extended temperature range: –40°C to 125°C

Description

The TMUX9832 is a 32-channel low harmonic distortion, low resistance, low capacitance high-voltage analog switch integrated circuit (IC) with latch-up immunity. Each device has 32 independently selectable 1:1, single-pole, single-throw (SPST) switch channels. The device only requires a +5 V supply, while still being able to support ±110 V analog signals. TMUX9832 also integrates bleed resistors on its drain (Dx) pins to discharge capacitive loads, like piezoelectric transducers. TMUX9832 is designed for medical ultrasound imaging and other piezoelectric transducer driver applications.

TMUX9832 integrates cascadable 32-bit shift register with latches for controlling each of the 32 switches. The daisy chain capability allows for many TMUX9832 devices to be controlled without requiring a separate chip-select for every device. To reduce noise in the signal path due to potential clock feed-through, the active low latch enable can be held high while data is loaded into the shift registers. The 32-bit shift register can operate off of a 1.8 V – 5 V power supply and support clock speeds up to 100 MHz.

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