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TX7164

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64-channel 3-level transmitter with integrated transmit beamformer

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TX7164

ACTIVE

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Transmitter supports:
- 64-channel 3-level pulser and active transmit/ receive (T/R) switch
3-level pulser:
- Maximum output voltage: ±100V
- Minimum output voltage: ±1V
- Maximum output current: 0.5A
- Maximum clamp current: 0.75A
- True return to zero to discharge output to ground
- Second harmonic of –40dBc at 2.5MHz
- –3dB Bandwidth with 400Ω || 125pF load
  - 11MHz for a ±100V supply
- Very low receive power: 0.1 mW/ch
Active transmit/receive (T/R) switch with:
- Turn on resistance of 21Ω
- Turn on and Turn off time: 100ns
- Transient glitch: 10mVPP
On-chip beam former with:
- Channel based T/R switch on and off controls
- Delay resolution: half beamformer clock period, minimum 2.5ns
- Maximum delay: 214 beamformer clock period
- Maximum beamformer clockspeed: 200MHz
- On-Chip RAM for pattern and delay profile
- One 512 × 32 memory to store beam-former pattern and delay for a group of 4 channels
- Global repeat feature present, enabling long duration patterns
High-speed (400MHz maximum), 2-lane LVDS serial programming interface.
- Low programming time: ≈1 us for delay profile update
- 32-bit Checksum to detect wrong SPI writes
Supports CMOS serial programming interface (50MHz maximum)
High reliability features:
- Internal temperature sensor and automatic thermal shutdown
- No specific power sequencing requirement
- Error flag register to detect faulty conditions
- Integrated passives for the floating supplies and bias voltages
- Small package: FC-BGA-196 (12mm × 12mm) with 0.8mm pitch

Transmitter supports:
- 64-channel 3-level pulser and active transmit/ receive (T/R) switch
3-level pulser:
- Maximum output voltage: ±100V
- Minimum output voltage: ±1V
- Maximum output current: 0.5A
- Maximum clamp current: 0.75A
- True return to zero to discharge output to ground
- Second harmonic of –40dBc at 2.5MHz
- –3dB Bandwidth with 400Ω || 125pF load
  - 11MHz for a ±100V supply
- Very low receive power: 0.1 mW/ch
Active transmit/receive (T/R) switch with:
- Turn on resistance of 21Ω
- Turn on and Turn off time: 100ns
- Transient glitch: 10mVPP
On-chip beam former with:
- Channel based T/R switch on and off controls
- Delay resolution: half beamformer clock period, minimum 2.5ns
- Maximum delay: 214 beamformer clock period
- Maximum beamformer clockspeed: 200MHz
- On-Chip RAM for pattern and delay profile
- One 512 × 32 memory to store beam-former pattern and delay for a group of 4 channels
- Global repeat feature present, enabling long duration patterns
High-speed (400MHz maximum), 2-lane LVDS serial programming interface.
- Low programming time: ≈1 us for delay profile update
- 32-bit Checksum to detect wrong SPI writes
Supports CMOS serial programming interface (50MHz maximum)
High reliability features:
- Internal temperature sensor and automatic thermal shutdown
- No specific power sequencing requirement
- Error flag register to detect faulty conditions
- Integrated passives for the floating supplies and bias voltages
- Small package: FC-BGA-196 (12mm × 12mm) with 0.8mm pitch

TX7164 is a highly integrated, high-performance transmitter device for ultrasound imaging system. The device has total 64 pulser circuits, 64 transmit/ receive switches (referred as T/R or TR switches) and supports on-chip beamformer (TxBF). The device also integrates on-chip floating power supplies that reduce the number of required high voltage power supplies.

TX7164 has a pulser circuit that generates three-level high voltage pulses (up to ±100V) that is used to excite multiple channels of an ultrasound transducer. The device supports total 64 outputs. The maximum output current is 0.5A.

Device can be used as a transmitter design resource for many applications like ultrasound imaging, non-destructive testing, SONAR, LIDAR, marine navigation system, brain imaging systems and so on.

TX7164 is a highly integrated, high-performance transmitter device for ultrasound imaging system. The device has total 64 pulser circuits, 64 transmit/ receive switches (referred as T/R or TR switches) and supports on-chip beamformer (TxBF). The device also integrates on-chip floating power supplies that reduce the number of required high voltage power supplies.

TX7164 has a pulser circuit that generates three-level high voltage pulses (up to ±100V) that is used to excite multiple channels of an ultrasound transducer. The device supports total 64 outputs. The maximum output current is 0.5A.

Device can be used as a transmitter design resource for many applications like ultrasound imaging, non-destructive testing, SONAR, LIDAR, marine navigation system, brain imaging systems and so on.

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