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LTC1098LI 数据表(PDF) 12 Page - Linear Technology |
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LTC1098LI 数据表(HTML) 12 Page - Linear Technology |
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12 / 28 page  12 LTC1096/LTC1096L LTC1098/LTC1098L Voltage Waveforms for ten LTC1096/98 • TC07 CS tWAKEUP LTC1096/LTC1096L 1 CLK DOUT ten B7 VOL 123 4 5 LTC1098/LTC1098L DIN CLK DOUT START ten B7 LTC1096/98 • TC08 CS VOL S APPLICATI I FOR ATIO OVERVIEW The LTC1096/LTC1096L/LTC1098/LTC1098L are 8-bit micropower, switched-capacitor A/D converters. These sampling ADCs typically draw 120 µA of supply current when sampling up to 33kHz. Supply current drops linearly as the sample rate is reduced (see Supply Current vs Sample Rate on the first page of this data sheet). The ADCs automatically power down when not performing conver- sion, drawing only leakage current. They are packaged in 8-pin SO packages. The LTC1096L/LTC1098L operate on a single supply ranging from 2.65V to 4V. The LTC1096 operates on a single supply ranging from 3V to 9V while the LTC1098 operates from 3V to 6V supplies. The LTC1096/LTC1096L/LTC1098/LTC1098L comprise an 8-bit, switched-capacitor ADC, a sample-and-hold and a serial port (see Block Diagram). Although they share the same basic design, the LTC1096(L) and LTC1098(L) differ in some respects. The LTC1096(L) has a differential input and has an external reference input pin. It can measure signals floating on a DC common mode voltage and can operate with reduced spans down to 250mV. Reducing the span allows it to achieve 1mV resolution. The LTC1098(L) has a 2-channel input multiplexer and can convert either channel with respect to ground or the difference between the two. SERIAL INTERFACE The LTC1098(L) communicates with microprocessors and other external circuitry via a synchronous, half duplex, 4-wire serial interface while the LTC1096(L) uses a 3-wire interface (see Operating Sequence in Figures 1 and 2). TEST CIRCUITS |
类似零件编号 - LTC1098LI |
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类似说明 - LTC1098LI |
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