4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference Features: Three power modes RMS noise Low power: 24 nV rms at 1.17 SPS, gain = 128 (255 μA typical) Mid power: 20 nV rms at 2.34 SPS, gain = 128 (355 μA typical) Full power: 23 nV rms at 9.4 SPS, gain = 128 (930 μA typical) Up to 22 noise free bits in all power modes (gain = 1) Output data rate Full power: 9.38 SPS to 19,200 SPS Mid power: 2.34 SPS to 4800 SPS Low power: 1.17 SPS to 2400 SPS Rail-to-rail analog inputs for gains > 1 Simultaneous 50 Hz/60 Hz rejection at 25 SPS (single cycle settling) Diagnostic functions (which aid safe integrity level (SIL) certification Crosspoint multiplexed analog inputs 4 differential/7 pseudo differential inputs Programmable gain (1 to 128) Band gap reference with 10 ppm/°C drift maximum (70 μA) Matched programmable excitation currents Internal clock oscillator On-chip bias voltage generator Low-side power switch General-purpose outputs Multiple filter options Internal temperature sensor Self and system calibration Sensor burnout detection Automatic channel sequencer Per channel configuration Power supply: 2.7 V to 3.6 V and ±1.8 V Independent interface power supply Power-down current: 5 μA maximum Temperature range: −40°C to +125°C 32-lead LFCSP/24-lead TSSOP 3-wire or 4-wire serial interface SPI, QSPI, MICROWIRE, and DSP compatible Schmitt trigger on SCLK ESD: 4 kVAD7124-4-EP Supports defense and aerospace applications (AQEC standard) Download AD7124-4-EP Data Sheet (PDF) Full military temperature range: −55°C to +125°C Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Product change notification Qualification data available on request V62/19614

LNA with Failsafe Bypass Mode SMT, 1700 - 2200 MHz Features: Noise Figure: 1.4 dB Output IP3: +29 dBm Gain: 17 dB Failsafe Operation: Bypass is enabled when LNA is unpowered Single Supply: +3V or +5V 16 Lead 3x3mm SMT Package: 9mm²

8 GHz 16-bit Fractional-N PLL with Sweeper Features: 24-Bit Step Size Resolution, 3 Hz typ Ultra Low Phase Noise   6 GHz, 50 MHz Ref. -103 / -110 dBc/Hz @ 20 kHz (Frac / Integer) Auto & Triggered Sweeper Functions Cycle Slip Prevention (CSP) for Fast Settling Autotune Support for External Step Tuned VCOs Multi-VCO Support 40 Lead 6x6mm SMT Package: 36mm²

GaAs, pHEMT, MMIC, 1 W, Power Amplifier with Power Detector, 37 GHz to 40 GHz Features: 32 dBm typical saturated output power (PSAT) at 18% power added efficiency (PAE) at 39 GHz P1dB compression output power: 31.5 dBm typical High output third-order intercept (IP3): 40 dBm typical High gain: 24 dB typical 50 Ω matched input/output Ceramic, 6 mm × 6 mm, high frequency, air cavity package

26 GHz, T Flip-Flop w/Reset Features: Supports Clock Frequencies up to 26 GHz Differential & Singe-Ended Operation Fast Rise and Fall Times: 18/17 ps Low Power Consumption: 270 mW typ. Propagation Delay: 95 ps Single Supply: -3.3V 16 Lead Ceramic 3×3mm SMT Package: 9mm2

Wideband VCO SMT w/Buffer Amplifier SMT, 6 - 12 GHz Features: Wide Tuning Bandwidth Pout: +1 dBm Low SSB Phase Noise: -95 dBc/Hz @100 kHz No External Resonator Needed Single Positive Supply: +5V @ 57 mA 24 Lead 4x4mm SMT Package: 16mm2

Wideband VCO SMT w/Buffer Amplifier SMT, 6 - 12 GHz Features: Wide Tuning Bandwidth Pout: +1 dBm Low SSB Phase Noise: -95 dBc/Hz @100 kHz No External Resonator Needed Single Positive Supply: +5V @ 57 mA 24 Lead 4x4mm SMT Package: 16mm2

VCO with Divide-by-4, 8.6 - 10.2 GHz Features: Dual Output: Fo = 8.6 - 10.2 GHz Fo/4 = 2.15 - 2.55 GHz Pout: +18 dBm Phase Noise: -100 dBc/Hz @ 100 kHz Typ. No External Resonator Needed 32 Lead 5×5 mm QFN Package: 25 mm2

Fractional-N PLL with Integrated VCO SMT, 1815 - 2010 MHz Features: RF Bandwidth: 1815 - 2010 MHz Fractional or Integer Modes 19-Bit Prescaler Ultra Low Phase Noise -110 dBc/Hz in Band Typ. Figure of Merit (FOM) -227 dBc Integer 24-Bit Step Size, 3 Hz Resolution Typ. 200 MHz, 14-bit Reference Path Input Cycle Slip Prevention 40 Lead 6x6mm SMT Package: 36mm²

11.90 GHz to 18.30 GHz Quadband VCO Features: Set of 4 narrow-band VCOs with consistent sensitivity vs. frequency RF and tuning ports common to all 4 VCOs RF output operates from fundamental oscillators with no subharmonic oscillations Up to 8 dBm RF output power Power mute capability No external resonator required 40-lead, 6 mm × 6 mm LFCSP