AD7997

8-Channel, 10- and 12-Bit ADCs with I2CCompatible Interface in 20-Lead TSSOP AD7997/AD7998 FEATURES 10- and 12-bit ADC with fast conversion time: 2 µs typ 8 single-ended analog input channels Specified for VDD of 2.7 V to 5.5 V Low power consumption Fast throughput rate: up to 188 kSPS Sequencer operation Automatic cycle mode I2C®-compatible serial interface supports standard, fast, and high speed modes Out-of-range indicator/alert function Pin-selectable addressing via AS Shutdown mode: 1 µA max Temperature range: −40°C to +85°C 20-lead TSSOP package See the AD7992 and AD7994 for 2-channel and 4-channel equivalent devices, respectively GENERAL DESCRIPTION The AD7997/AD7998 are 8-channel, 10- and 12-bit, low power, successive approximation ADCs with an I2C-compatible interface. The parts operate from a single 2.7 V to 5.5 V power supply and feature a 2 µs conversion time. The parts contain an 8-channel multiplexer and track-and-hold amplifier that can handle input frequencies ...