AS1522

www.DataSheet4U.com AS1522, AS1523 1 0 - B i t , S i n g l e - S u p p l y, L o w - P o w e r, 4 0 0 / 3 0 0 k s ps , 4-Channel A/D Converters Product Brief 1 General Description The AS1522/AS1523 are low-power, 4/2-channel, 400/ 300ksps, 10-bit analog-to-digital (A/D) converters specifically designed to operate with single-supply devices. Superior AC characteristics, very low power consumption, and highly-reliable packaging make these ultrasmall devices perfect for battery-powered remote-sensor and data-acquisition devices. The successive-approximation register (SAR), highspeed sampling, high-bandwidth track/hold circuitry, and multi-mode operation combine to make these devices highly-flexible and configurable. Both devices require low supply current (2.8mA @ 400ksps, AS1522; 2.2mA @ 300ksps, AS1523) and feature a reduced-power mode and a power-down mode to lower power consumption at slower throughput rates. The devices operate from a single supply (+4.5 to +5.5V, AS1522; +2.7 to +3.6V, AS1523). Both devices contain an internal 2.5V reference, an integrated reference buffer, and feature support for an external reference (1V to VDD). Data accesses are made via the high-speed, 4-wire, SPI, QSPI-, and Microwire-compatible serial interface. The devices are available in a 16-pin TSSOP package. 2 Key Features ! Single-Supply Operation: - +4.5 to +5.5V (AS1522) - +2.7 to +3.6V (AS1523) Sampling Rate: - 400ksps (AS1522) - 300ksps (AS1523) Software-Configurable Analog Input Type...