2.7 V to 5.5 V, 4.5 ms, 8-Bit ADC in 8-Lead microSOIC/DIP Features: 8-Bit ADC with 4 µs Conversion Time Small Footprint 8-Lead microSOIC Package Specified Over a –40°C to +125°C Temperature Range Inherent Track-and-Hold Functionality Operating Supply Range: 2.7 V to 5.5 V Optional Automatic Power-Down Microcontroller Compatible Serial Interface Specifications at 2.7 V to 5.5 V and  5 V ± 10% Low Power Operation: 570 µW at 10 kSPS Throughput Rate 2.9 mW at 50 kSPS Throughput Rate Analog Input Range: 0 V to VREF Reference Input Range: 0 V to VDD "Drop In" Upgrade to 10 Bits Available (AD7810)

3 V/5 V, 2 MSPS, 8-Bit, 1-/4-/8-Channel Sampling ADCs Features: 8-bit half-flash ADC with 420 ns conversion time 1, 4 and 8 Single-Ended Analog Input Channels Available with Input Offset Adjust On-Chip Track-and-Hold SNR Performance Given for Input Frequencies Up to 10 MHz Automatic Power-Down at the End of Conversion On-Chip Reference (2.5 V) Wide Operating Supply Range 3 V ± 10% and 5 V ± 10% Input Ranges: 0 V to 2 Vp-p, VDD = 3 V ± 10% 0 V to 2.5 Vp-p, VDD = 5 V ± 10% Flexible Parallel Interface with EOC Pulse to Allow Stand-Alone Operation

LC2MOS Quad 14-Bit DAC Features: Four 14-bit DACs in one package AD7834—serial loading AD7835—parallel 8-bit/14-bit loading Voltage outputs Power-on reset function Maximum/minimum output voltage range of ±8.192 V Maximum output voltage span of 14 V Common voltage reference inputs User-assigned device addressing Clear function to user-defined voltage Surface-mount packages Packages: AD7834—28-lead SOIC and PDIP AD7835—44-lead MQFP and PLCC

Touch Screen Digitizer Features: 4-wire touch screen interface Specified throughput rate of 125 kSPS Low power consumption: 1.37 mW max at 125 kSPS with VCC = 3.6 V Single supply, VCC of 2.2 V to 5.25 V Ratiometric conversion High speed serial interface Programmable 8-bit or 12-bit resolution 2 auxiliary analog inputs Shutdown mode: 1 µA max 16-lead QSOP and TSSOP packages

Dual 1MSPS, 12-Bit, 2-Channel SAR ADC with Serial Interface Features: Dual 12-Bit, 2-Channel ADC Fast Throughput Rate 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low Power: 11.4 mW Max at 1 MSPS with 3 V Supplies 24 mW Max at 1 MSPS with 5 V Supplies Wide Input Bandwidth 70 dB SNR at 300 kHz Input Frequency Onboard Reference 2.5 V Flexible Power/Throughput Rate Management Simultaneous Conversion/Read No Pipeline Delays High-Speed Serial Interface SPI®/QSPI™/ MICROWIRE™/DSP Compatible Shut-Down Mode: µA Max 20-Lead TSSOP Package

Dual 1MSPS, 12-Bit, 2-Channel SAR ADC with Serial Interface Features: Dual 12-Bit, 2-Channel ADC Fast Throughput Rate 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low Power: 11.4 mW Max at 1 MSPS with 3 V Supplies 24 mW Max at 1 MSPS with 5 V Supplies Wide Input Bandwidth 70 dB SNR at 300 kHz Input Frequency Onboard Reference 2.5 V Flexible Power/Throughput Rate Management Simultaneous Conversion/Read No Pipeline Delays High-Speed Serial Interface SPI®/QSPI™/ MICROWIRE™/DSP Compatible Shut-Down Mode: µA Max 20-Lead TSSOP Package

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

Low Cost, Low Power, True RMS-to-DC Converter Features: Converts an ac voltage waveform to a dc voltage and then converts to the true rms, average rectified, or absolute value 200 mV rms full-scale input range (larger inputs with input attenuator) High input impedance: 1012 Ω  Low input bias current: 25 pA maximum High accuracy: ±0.3 mV ± 0.3% of reading RMS conversion with signal crest factors up to 5 Wide power supply range: +2.8 V, −3.2 V to ±16.5 V Low power: 200 μA maximum supply current Buffered voltage output No external trims needed for specified accuracy Related device: the AD737 features a power-down control with standby current of only 25 μA; the dc output voltage is negative and the output impedance is 8 kΩ

+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