Analog to Digital Converters - ADC LTC1853 - 8-Channel, 10-Bit/12-Bit, 400ksps, Low Power, Sampling ADCs

CMOS, 12-Bit Serial DACPORT Features: 12-Bit CMOS DAC with On-Chip Voltage Reference Output Amplifier Three Selectable Output Ranges -5 V to + 5 V, 0 V to +5 V, 0 V to +10 V Serial Interface 300 kHz DAC Update Rate Small Size: 16-Lead DIP or SOIC Nonlinearity: ±1/2 LSB Tmin to Tmax Low Power Dissipation: 100 mW Typical  

Low Power, 24-Bit, 31.25 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers Features: Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate of 6.21 kSPS/channel (161 µs settling) Performance specifications 17.2 noise free bits at 31.25 kSPS 24 noise free bits at 5 SPS INL: ±2 ppm of FSR 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 2 fully differential channels or 4 single-ended channels Crosspoint multiplexer On-chip 2.5 V reference (±2 ppm/°C drift) True rail-to-rail analog and reference input buffers Internal or external clock See data sheet for additional features

Pin-Programmable, Ultralow Noise, 24-Bit, Sigma-Delta ADC for Bridge Sensors Features:Pin-programmable output rateOutput data rate: 10 Hz, 50 Hz, 60 Hz, 120 HzPin-programmable PGAGain: 1, 8, 64, 128Pin-programmable power-down and resetRMS noise: 15 nV @ 10 Hz (gain = 128)Up to 21.5 noise free bits (gain = 1)Please see data sheet for additional features

CMOS 12-Bit Buffered Multiplying DAC With Onboard Data Latches Features: 12-Bit Resolution Low Gain TC: 2ppm/°C typ Fast TTL Compatible Data Latches Small 20-Lead 0.3" DIP and 20-Terminal Surface Mount Packages Single +5 V to +15 V Supply Latch Free (Schottky Protection Diode not Required) Low Cost Ideal for Battery Operated Equipment

LC2CMOS, Quad 8-Bit Voltage Output DAC Features: Four 8-Bit DACs with Output Amplifiers Skinny 20-Lead DIP, SOIC, SSOP, and PLCC Packages Microprocessor-Compatible TTL/CMOS-Compatible No User Trims Extended Temperature Range Operation Single Supply Operation Possible

Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) Features: Complete Monolithic 12-Bit ADC with: 2 µs Track/Hold Amplifier 8 µs A/D Converter On-Chip Reference Laser-Trimmed Clock Parallel, Byte and Serial Digital Interface 57 ns Data Access Time 72 dB SNR at 10 kHz Input Frequency (AD7870, AD7875) Low Power: –60 mW typ Variety of Input Ranges: ±3 V for AD7870 0 V to +5 V for AD7875 ±10 V for AD7876

Variable Resolution Resolver-to-Digital Converter Features: Tracking R/D Converter High Accuracy Velocity Output High Max Tracking Rate 1040 RPS (10 Bits) 44-Lead PLCC Package 10-, 12-, 14-, or 16-Bit Resolution Set by User Ratiometric Conversion Stabilized Velocity Reference Dynamic Performance Set by User Industrial Temperature Range

18-Bit, 2 MSPS/1 MSPS/500 kSPS, Precision, Pseudo Differential, SAR ADCs Features: Easy Drive Greatly reduced input kickback Input current reduced to 0.5 μA/MSPS Enhanced acquisition phase, ≥79% of cycle time at 1 MSPS First conversion accurate, no latency or pipeline delay Input span compression for single-supply operation Fast conversion allows low SPI clock rates Input overvoltage clamp protection sinks up to 50 mA SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface High performance Pseudo differential analog input range 0 V to VREF with VREF from 2.4 V to 5.1 V Throughput: 2 MSPS/1 MSPS/500 kSPS options INL: ±3.2 LSB maximum Guaranteed 18-bit, no missing codes SNR: 95 dB at fIN = 1 kHz at VREF = 5 V THD: −125 dB at fIN = 1 kHz, −108 dB at fIN = 100 kHz SINAD: 84.5 dB at fIN = 1 MHz (see Figure 17 in data sheet) Oversampled dynamic range 98 dB for OSR = 2 125 dB for OSR = 1024 Low power Single 1.8 V supply operation with 1.71 V to 5.5 V logic interface 2.5 mW at 500 kSPS (VDD only) 70 μW at 10 kSPS, 14 mW at 2 MSPS (total power) 10-lead packages: 3 mm × 3 mm LFCSP, 3 mm × 4.90 mm MSOP Pin compatible with AD4003/AD4007/AD4011 family Guaranteed operation: −40°C to +125°C

Single Supply, 24-Bit, Sigma-Delta ADC with 10 V and 0 mA to 20 mA Inputs, Open Wire Detection Features: Tested for robustness per: IEC6100-4-2, IEC6100-4-3, IEC6100-4-4, IEC6100-4-5, IEC6100-4-6, CISPR 11 24-bit ADC with integrated analog front end Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate of 6.21 kSPS per channel (161 μs settling) 16 noise free bits at 1 kSPS per channel 85 dB rejection of 50 Hz and 60 Hz at 20 SPS per channel ±10 V inputs, 4 differential or 8 single-ended Pin absolute maximum rating ±50 V Absolute input pin voltage up to ±20 V ≥1 MΩ impedance ±0.06% accuracy at 25°C Open wire detection 0 mA to 20 mA inputs, 4 single-ended Pin absolute maximum rating ±50 mA Input range from −0.5 mA to +24 mA 60 Ω impedance ±0.08% accuracy at 25°C On-chip 2.5 V reference ±0.12% accuracy at 25°C, ±5 ppm/°C (typical) drift Internal or external clock Power supplies AVDD = 3.0 V to 5.5 V IOVDD = 2 V to 5.5 V Total IDD = 3.9 mA Temperature range: −40°C to +105°C 3-wire or 4-wire serial digital interface (Schmitt trigger on SCLK) SPI, QSPI, MICROWIRE, and DSP compatible