3.3V, 14-/16-BIT, 150ksps, SERIAL I/O ADCs WITH UNIPOLAR AND BIPOLAR INPUTS ARE IDEAL FOR INDUSTRIAL APPLICATIONS
SUNNYVALE, CA-May 23, 2002-Maxim Integrated Products introduces the MAX1134/MAX1135 and MAX1144/MAX1145 150ksps, 16- and 14-bit analog-to-digital converters (ADCs). These serially interfaced ADCs connect directly to SPI™, QSPI™, and MICROWIRE™ devices without external logic. They combine an internal track/hold, a clock, and three general-purpose digital output pins (for external multiplexer or PGA control) in a 20-pin SSOP package. The excellent dynamic performance (THD > 90dB), high speed (150ksps), and low power (4.5mA at 100ksps) are ideal for industrial process control, instrumentation, and medical applications.
The MAX1134/MAX1144 and MAX1144/MAX1145 feature software-selectable input ranges. The MAX1134/MAX1144 accept input signals of 0 to 6V (unipolar) or ±6V (bipolar), while the MAX1135/MAX1145 accept input signals of 0 to 2.048V (unipolar) or ±2.048V (bipolar). Operating from a single 3.3V analog and digital supply, they consume only 8mA at 150ksps and provide a 33% reduction in power from comparable 5V devices. Software power-down modes reduce current consumption to 0.15mA at 10ksps and further reduce supply current to less than 20mA at slower data rates.
The MAX1134/MAX1144 and MAX1135/MAX1145 are available in 20-pin SSOP packages in both the commercial (0°C to +70°C) and extended
(-40°C to +85°C) temperature ranges, with prices starting at $18.79 (1000-up, FOB USA).
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