1 Features

• Transmitter supports:
  • 16-channel 3-level or 8-channel 5-level pulser and active transmit/receive (T/R) switch
  • Very low power on-chip beamforming mode (5-level mode):
    • In receive-only mode: 17 mW
    • In transmit-receive mode: 598 mW
    • In CW mode (0.6-A mode): 1.97 W
    • In global power-down mode: 4.3 mW
• 3-level, 5-level pulser:
  • Maximum output voltage: ±100 V
  • Minimum output voltage: ±1 V
  • Maximum output current: 2.4 A to 0.6 A
  • Maximum clamp current: 1 A to 0.25 A (in 3-level mode)
  • Maximum clamp current: 2 A to 0.5 A (in 5-level mode)
  • Second harmonic of –45 dBc at 5 MHz
  • CW mode jitter: 100 fs measured from 100 Hz to 20 kHz
  • CW mode close-in phase noise: –154 dBc/Hz at 1 kHz offset for 5 MHz signal
  • Supports 4.8-A mode in 5-level mode
  • –3-dB Bandwidth with 1-kΩ || 240-pF load
    • 20 MHz (For ±100-V supply in 2.4-A mode)
    • 36 MHz (For ±100-V supply in 4.8-A mode)
    • 25 MHz (For ±70-V supply in 2.4-A mode)
• Active transmit/receive (T/R) switch with:
  • ON/OFF control signal
  • Turnon resistance of 12 Ω
  • Bandwidth: 50 MHz
  • HD2: -50 dBc
  • Turnon time: 0.5 μs
  • Turnoff time: 1.75 μs
  • Transient glitch: 50 mV_PP
• Off-chip beam former with:
  • Jitter cleaning using synchronization feature
  • Maximum synchronization clock frequency: 200 MHz
• On-chip beam former with:
  • Delay resolution: one beamformer clock period, minimum 5 ns
  • Maximum delay: 2¹³ beamformer clock period
  • Maximum beamformer clock speed: 200 MHz
  • On-chip RAM to store
    • 16 Delay profiles
    • 48/28 pattern-profiles for 3- or 5-level mode
• High-speed (100 MHz maximum) 1.8-V and 2.5-V CMOS serial programming interface
• Automatic thermal shutdown
• No specific power sequencing requirement in 3-level mode
• Small package: NFBGA-216 (15 mm × 10 mm) with 0.8-mm pitch