1 Features

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: 1A
- True return to zero to discharge output to ground
- Second harmonic of –40dBc at 5MHz
- –3-dB Bandwidth with 400Ω || 125pF load
  - 22MHz for a ±100-V supply
- Very low receive power: 2.8mW/ch
Active transmit/receive (T/R) switch with:
- Turn on resistance of 22Ω
- Turn on and Turn off time: 100ns
- 2:1 Channel Muxing to LNA input
LNA
- Supports a maximum input swing of 500mVpp
- Gain of 24dB
- HD2 of -55 dBc and HD3 of 40dBc at 5MHz
- Programmable input impedance to match source impedance 100, 200. 400 and 800Ω with DTGC support
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: ≈1µs 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