+5 V Powered RS-232/RS-422 Transceiver Features: RS-232 and RS-422 on One Chip Single +5 V Supply 0.1 mF Capacitors Short Circuit Protection Excellent Noise Immunity Low Power BiCMOS Technology High Speed, Low Skew RS-422 Operation -40 to 85C

Single-Channel, 3 V Front-End Processor for General Purpose Applications Including Speech and Telephony Features: 16-Bit A/D Converters 16-Bit D/A Converters Programmable Input/Output Sample Rates 75 dB ADC SNR 70 db DAC SNR 64 ksps Maximum Sample Rate -90 db Crosstalk Programmable Input/Output Gain Low group Delay (25 µs per ADC ch, 50 µs per DAC ch) Flexible Serial Port Allows Up to 4 Codecs To Be Connected in Cascade Giving 8 I/O Channels Single 2.7 V to 3.3 V Supply Operation 50 mW Max Power Dissipation at 2.7 V 20-Lead SOIC/SSOP/TSSOP Packages

3V/5V, 1 mW, 2-Channel Differential, 16-Bit Sigma-Delta ADC Features: Two Fully Differential Input Channel ADCs Programmable Gain Front End Gains from 1 to 128 Three-Wire Serial Interface SPI®, QSPI™, MICROWIRE™ and DSP Compatible Schmitt Trigger Input on SCLK Ability to Buffer the Analog Input 2.7 V to 3.3 V or 4.75 V to 5.25 V Operation Power Dissipation 1 mW max @ 3 V Standby Current 8 µA max 16-Lead DIP, 16-Lead SOIC and TSSOP Packages

3V/5V, 1 mW, 2-Channel Differential, 16-Bit Sigma-Delta ADC Features: Two Fully Differential Input Channel ADCs Programmable Gain Front End Gains from 1 to 128 Three-Wire Serial Interface SPI®, QSPI™, MICROWIRE™ and DSP Compatible Schmitt Trigger Input on SCLK Ability to Buffer the Analog Input 2.7 V to 3.3 V or 4.75 V to 5.25 V Operation Power Dissipation 1 mW max @ 3 V Standby Current 8 µA max 16-Lead DIP, 16-Lead SOIC and TSSOP Packages

3V/5V, 1mW, 3-Channel Pseudo Differential, 16-Bit Sigma-Delta ADC Features: Three Pseudo Differential Input Channel ADCs 16 Bits No Missing Codes 0.003% Nonlinearity Programmable Gain Front End Gains from 1 to 128 Three-Wire Serial Interface SPI®, QSPI™, MICROWIRE™ and DSP Compatible Schmitt Trigger Input on SCLK See data sheet for additional features

16-Bit, 1.2 MSPS, CMOS Sigma-Delta ADC Features: 16-Bit Sigma-Delta ADC 1.2 MSPS Output Word Rate 32x/16x Oversampling Ratio Low-Pass and Band-Pass Digital Filter Linear Phase Standby Mode Flexible Parallel or Serial Interface Crystal Oscillator Single 5 V Supply On-Chip 2.5 V Voltage Reference

8-Channel, 24-Bit, Simultaneous Sampling ADC Features: 8-channel, 24-bit simultaneous sampling ADC Single-ended or true differential inputs PGA per channel (gains of 1, 2, 4, and 8) Low dc input current ±4 nA (differential)/±8 nA (single-ended) Up to 128 kSPS ODR per channel Programmable ODRs and bandwidth SRC for coherent sampling Sampling rate resolution up to 15.2 × 10−6 SPS Low latency sinc3 and sinc5 filter paths Adjustable phase synchronization Internal 2.5 V reference Two power modes High resolution mode Low power mode Optimizes power dissipation and performance Low resolution SAR ADC for system and chip diagnostics Power supply Bipolar (±1.65 V) or unipolar (3.3 V) supplies Digital I/O supply: 1.8 V to 3.6 V Performance temperature range: −40°C to +105°C Functional temperature range: −40°C to +125°C Performance Combined ac and dc performance 107 dB SNR/dynamic range at 32 kSPS in high resolution mode (sinc5) −109 dB THD ±8 ppm of FSR INL ±15 μV offset error ±0.1% FS gain error ±10 ppm/°C typical temperature coefficient

2.7 V to 5.5 V, 2 ms, 10-Bit ADC in 8-Lead microSOIC/DIP Features: 10-Bit ADC with 2.3 µs Conversion Time Small Footprint 8-Lead microSOIC Package Specified Over a –40°C to +105°C Temperature Range Inherent Track-and-Hold Functionality Operating Supply Range: 2.7 V to 5.5 V Specifications at 2.7 V to 5.5 V Microcontroller-Compatible Serial Interface Optional Automatic Power-Down at End of Conversion Low Power Operation: 270 µW at 10 kSPS Throughput Rate 2.7 mW at 100 kSPS Throughput Rate Analog Input Range: 0 V to VREF Reference Input Range: 0 V to VDD

10-Bit, 4-Channel, 350 kSPS, Serial A/D Converter Features: 10-Bit ADC with 2.3 µs Conversion Time Four Single-Ended Inputs to Configure as Three Pseudo Differential Inputs with Respect to a Common, or as Two Independent Pseudo Differential Channels Onboard Track and Hold Onboard Reference 2.5 V ± 2.5% Operating Supply Range: 2.7 V to 5.5 V Specifications at 2.7 V–3.6 V and 5 V ± 10% DSP-/Microcontroller-Compatible Serial Interface High Speed Sampling and Automatic  Power-Down Modes Package Address Pin on AD7811 and AD7812 Allows Sharing of Serial Bus in Multipackage Applications Input Signal Range: 0 V to VREF Reference Input Range: 1.2 V to VDD Qualified for Automotive Applications

+2.7 V to +5.5 V, 400 kSPS 8-/10-Bit Sampling ADC Features: 8-/10-Bit ADC with 2.3 µs Conversion Time On-Chip Track and Hold Operating Supply Range: 2.7 V to 5.5 V 8-Bit Parallel Interface: 8-Bit + 2-Bit Read Analog Input Range: 0 V to VREF Reference Input Range: 1.2 V to VDD Specifications at 2.7 V–3.6 V and 5 V ± 10% Power Performance Normal Operation 10.5 mW, VDD = 3 V Automatic Power-Down 34.6 µW @ 1 kSPS, VDD = 3 V