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AS1539 Datasheet(PDF) 1 Page - ams AG |
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AS1539 Datasheet(HTML) 1 Page - ams AG |
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1 / 20 page  AS1539/AS1541 8/4-Channel, 10-Bit I²C Analog-to-Digital Converter Dat a Sh eet www.austriamicrosystems.com Revision 1.02 1 - 20 1 General Description The AS1539/AS1541 are single-supply, low-power, 10-bit data acquisition devices featuring a serial I²C interface and an 8-channel (AS1539) or 4-channel (AS1541) multiplexer. The analog-to-digital (A/D) converters features a sam- ple-and-hold amplifier an internal asynchronous clock and an internal reference. The combination of an I 2C serial, 2-wire interface and micropower consumption makes the AS1539 and AS1541 ideal for applications requiring the A/D con- verter to be close to the input source in remote locations and for applications requiring isolation. The device is available in a TSSOP-16 or TQFN 4x4 16- pin package. Figure 1. Block Diagram 2 Key Features ! Single Supply: 2.7 to 5.25V ! 8-Channel Multiplexer (AS1539) ! 4-Channel Multiplexer (AS1541) ! Sampling Rate: 50kSPS ! No Missing Codes ! Internal Reference: 2.5V ! High Speed I 2C Interface at 3.4MHz ! <1.5µA Full Shutdown Current ! TSSOP-16 or TQFN 4x4 16-pin Package 3 Applications The device is ideal for voltage-supply monitoring, iso- lated data acquisition, transducer interfaces, battery- operated systems, remote data acquisition or any other analog-to-digital conversion application. A0 SCL CH0 SDA AS1539/AS1541 8-Channel MUX CH1 CH2 CH3 CH4 CH5 CH6 CH7 REFIN/OUT Sample/ Hold Amp Successive Approximation Register CDAC Comparator Serial Interface A1 Internal 2.5V Reference Buffer GND COM |
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Similar Description - AS1539 |
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