AD7891 - LC2MOS 8-Channel, 12-Bit High Speed Data Acquisition System

True Bipolar Input, Single Supply, Parallel, 12-Bit 600 kSPS ADC Features: Fast 12-Bit ADC with 1.47 µs Conversion Time 600 kSPS Throughput Rate (AD7892-3) 500 kSPS Throughput Rate (AD7892-1, AD7892-2) Single Supply Operation On-Chip Track/Hold Amplifier High Speed Serial and Parallel Interface Low Power, 60 mW typ Selection of Input Ranges: ±10 V or ±5 V for AD7892-1 0 V to +2.5 V for AD7892-2 ±2.5 V for AD7892-3 Overvoltage Protection on Analog Inputs (AD7892-1 and AD7892-3)

True Bipolar Input, Single Supply, 12-Bit, Serial 6 s ADC in 8-Pin Package Features: Fast 12-Bit ADC with 6 µs Conversion Time 8-Pin Mini-DlP and SOIC Single Supply Operation High Speed, Easy-to-Use, Serial Interface On-Chip Track/Hold Amplifier Low Power: 25 mW typ Selection of Input Ranges: ±10 V for AD7893-10 ±2.5 V for AD7893-3 0 V to +2.5 V for AD7893-2 0 V to +5 V for AD7893-5

True Bipolar Input, Single Supply, 12-Bit, Serial 6 s ADC in 8-Pin Package Features: Fast 12-Bit ADC with 6 µs Conversion Time 8-Pin Mini-DlP and SOIC Single Supply Operation High Speed, Easy-to-Use, Serial Interface On-Chip Track/Hold Amplifier Low Power: 25 mW typ Selection of Input Ranges: ±10 V for AD7893-10 ±2.5 V for AD7893-3 0 V to +2.5 V for AD7893-2 0 V to +5 V for AD7893-5

True Bipolar Input, 5 V Single Supply, 12-Bit, Serial 3.8 s ADC in 8-Pin Package Features: Fast 12-Bit ADC with 3.8 µs Conversion Time 8-Pin Mini-DlP and SOIC Single 5 V Supply Operation High Speed, Easy-to-Use, Serial Interface On-Chip Track/Hold Amplifier High Input Impedance Selection of Input Ranges: ±10 V for AD7895-10 ±2.5 V for AD7895-3 0 V to +2.5 V for AD7895-2 Low Power: 20 mW max 14-Bit Pin Compatible Upgrade (AD7894)

16-Bit, 1 MSPS/500 kSPS PulSAR ADCs in MSOP/LFCSP Features: High performance True differential analog input range: ±VREF 0 V to VREF with VREF between 2.5 V and 5 V Throughput: 1 MSPS/500 kSPS options Zero latency architecture 16-bit resolution with no missing codes INL: ±0.4 LSB typical, ±1 LSB maximum Dynamic range: 95.5 dB, VREF = 5 V SNR: 94 dB at fIN = 1 kHz, VREF = 5 V THD: −118.5 dB at fIN = 1 kHz, VREF = 5 V SINAD: 93.5 dB at fIN = 1 kHz, VREF = 5 V Low power dissipationSingle-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interfaceAD7916: 2 mW at 500 kSPS (VDD only) 3.7 mW at 500 kSPS (total)70 W at 10 kSPSProprietary serial interface: SPI-/QSPI-/MICROWIRE-/DSP-compatible110-lead packages: MSOP and 3 mm 3 mm LFCSPWide operating temperature range: 40C to +125C

Charge Pump Switching Regulator IC Positive Adjustable 2.4V 1 Output 50mA 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad

OVP and EMI Protected, Precision, Low Noise and Bias Current Dual Op Amp Features: Low offset voltage: 60 μV maximum at 25°C (8-lead and 14-lead SOIC) Low offset voltage drift: 1 μV/°C maximum (8-lead and 14-lead SOIC) Low input bias current: 1 nA maximum at 25°C Low voltage noise density: 8 nV/√Hz typical at 1 kHz Large signal voltage gain (AVO): 100 dB minimum over full supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter 70 dB typical rejection at 1000 MHz 90 dB typical rejection at 2400 MHz Rail-to-rail output swing Low supply current: 500 μA typical per amplifier Wide bandwidth Gain bandwidth product (AV = 100): 3.5 MHz typical Unity-gain crossover (AV = 1): 3.5 MHz typical −3 dB bandwidth (AV = 1): 6 MHz typical Dual-supply operation Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V Unity-gain stable No phase reversal Long-term offset voltage drift (10,000 hours): 2 μV typical Temperature hysteresis: 2 μV typical

Operational Amplifier, 4.5uV Offset-Max, BIPolar

Single 0.275% Comparator and Reference with Dual Polarity Outputs Features: 400 mV ± 0.275% threshold  Supply range: 1.7 V to 5.5 V  Low quiescent current: 6.5 μA typical Input range includes ground  Internal hysteresis: 9.3 mV typical  Low input bias current: ±5 nA maximum Dual open-drain outputs  Small SOT-23 package 

Ultrafast 3.3 V Single-Supply Comparator w/Reduced Swing PECL (RSPECL) Output Drivers Features: 3.3 V/5.2 V single-supply operation 150 ps propagation delay 15 ps overdrive and slew rate dispersion 8 GHz equivalent input rise time bandwidth 80 ps minimum pulse width 35 ps typical output rise/fall 10 ps deterministic jitter (DJ) 200 fs random jitter (RJ) On-chip terminations at both input pins Robust inputs with no output phase reversal Resistor-programmable hysteresis Differential latch control Extended industrial −40°C to +125°C temperature range

10-Channel Gamma Buffer with VCOM Driver Features:Single-supply operation: 4.5 V to 18 V Upper/lower buffers swing to VS/GND Gamma continuous output current: >10 mA VCOM peak output current: 250 mA Offset voltage: 12 mV Slew rate: 8 V/s Unity gain stable with large capacitive loads Supply current: 700 A per amplifier Compact 28-lead TSSOP Pb-free package Drop-in replacement for BUF11702

High Voltage Charge Pump, PLL Synthesizer Features: High voltage charge pump (15 V) 2.7 V to 5.5 V power supply Pin compatible with ADF4110, ADF4111, ADF4112, ADF4113 ADF4106, and ADF4002 synthesizers 200 MHz to 4.0 GHz frequency range Two selectable charge pump currents Digital lock detect Power-down mode Loop filter design possible with ADIsimPLL™

3.3V, Full Duplex, 840uA, 20Mbps, EIA RS-485 Transceiver Features: Operates with 3.3 V supply EIA RS-422 and RS-485 compliant over full CM range 19 kΩ input impedance Up to 50 transceivers on bus 20 Mbps data rate Short-circuit protection Specified over full temperature range Thermal shutdown Interoperable with 5 V logic 840 μA supply current 2 nA shutdown current See data sheet for additional features

Supervisory Circuit with Manual Reset and Active-High/Push-Pull Active-Low/Push-Pull Features: 26 reset threshold options 2.5 V to 5 V in 100 mV increments 4 reset timeout options 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) 4 watchdog timeout options 6.3 ms, 102 ms, 1600 ms, and 25.6 sec (typical) Manual reset input Reset output stages Push-pull active low Open-drain active low Push-pull active high Low power consumption: 5 μA Guaranteed reset output valid to VCC = 1 V Power supply glitch immunity Specified over industrial temperature range 5-lead SOT-23 package

Supervisory Circuit with Watchdog, Manual Reset, and Active-Low/Open-Drain Features: 4 watchdog timeout options 6.3 ms, 102 ms, 1600 ms, and 25.6 sec (typical) Manual reset input Reset output stages Push-pull active low Open-drain active low Push-pull active high Guaranteed reset output valid to VCC = 1 V 26 reset threshold options 2.5 V to 5 V in 100 mV increments 4 reset timeout options 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) Low power consumption: 5 μA Power supply glitch immunity Specified over industrial temperature range 5-lead SOT-23 package

600 mA, Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 2.3 V to 5.5 V Output voltage range: 1.2 V to 3.4 V Maximum load current: 600 mA Low noise 0.9 μV rms total integrated noise from 100 Hz to 100 kHz 1.6 μV rms total integrated noise from 10 Hz to 100 kHz Noise spectral density: 1.5 nV/√Hz from 10 kHz to 1 MHz PSRR: >90 dB from 200 Hz to 200 kHz; 57 dB at 1 MHz Dropout voltage: 120 mV typical at VOUT = 3.3 V, IOUT = 600 mA Initial accuracy: ±0.5% Accuracy over line, load, and temperature: −2.0% (minimum), +1.5% (maximum) Quiescent current, IGND = 4 mA at no load Low shutdown current: 0.2 μA Stable with a 10 μF ceramic output capacitor 8-lead LFCSP and 8-lead SOIC packages Precision enable Supported by ADIsimPower tool

Microprocessor Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V/4.65V Threshold Voltage with 2% Accuracy, Active Low Reset and 250mA Output Current Features: Precision Supply Voltage Monitor 4.65 V ADM690A/ADM802L/ADM805L 4.40 V ADM692A/ADM802M/ADM805M Reset Assertion Down to 1 V VCC Reset Timeout—200 ms Watchdog Timer—1.6 s 100 mA Quiescent Supply Current Automatic Battery Backup Power Switching Voltage Monitor for Power Fail ±2% Power Fail Accuracy on ADM802L/M Space-Saving MicroSOIC Package (ADM690A)

Microprocessor Supervisory Circuit in 3-Lead SOT-23 & SC70, Active-Low Push-Pull Output Features: Specified over Temperature Low Power Consumption (17 µA) Precision Voltage Monitor: 2.5 V, 3 V, 3.3 V, 5 V Options Reset Assertion Down to 1 V VCC 140 ms Min Power-On Reset  Push-Pull RESET Output SC70 and SOT-23 Packages

Microprocessor Supervisory Circuit in 3-Lead SOT-23 & SC70, Active-Low Push-Pull Output Features: Specified over Temperature Low Power Consumption (17 µA) Precision Voltage Monitor: 2.5 V, 3 V, 3.3 V, 5 V Options Reset Assertion Down to 1 V VCC 140 ms Min Power-On Reset  Push-Pull RESET Output SC70 and SOT-23 Packages