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LT1096L

Linear
Part Number LT1096L
Manufacturer Linear
Description (LT1096 / LT1098) Micropower Sampling 8-Bit Serial I/O A/D Converters
Published Jan 18, 2006
Detailed Description DESCRIPTIO s s s s s s s s s s Sample-and-Hold 16µs Conversion Time 33kHz Sample Rate ± 0.5LSB Total Unadjusted Error ...
Datasheet PDF File LT1096L PDF File

LT1096L
LT1096L

Overview
DESCRIPTIO s s s s s s s s s s Sample-and-Hold 16µs Conversion Time 33kHz Sample Rate ± 0.
5LSB Total Unadjusted Error Over Temp Direct 3-Wire Interface to Most MPU Serial Ports and All MPU Parallel I/O Ports APPLICATI s s s s s s Battery-Operated Systems Remote Data Acquisition Battery Monitoring Battery Gas Gauges Temperature Measurement Isolated Data Acquisition , LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATI 10µW, S8 Package, 8-Bit A/D Samples at 200Hz and Runs Off a 5V Battery 1µF 5V SUPPLY CURRENT, ICC (µA) m o .
c U 4 t e e h S a t a .
D w w w S VREF LTC1096/8 • TA01 The LTC ®1096/LTC1096L/LTC1098/LTC1098L are micropower, 8-bit A/D converters that draw only 80µA of supply current when converting.
They automatically power down to 1nA typical supply current whenever they are not performing conversions.
They are packaged in 8-pin SO packages and have both 3V (L) and 5V versions.
These 8-bit, switched-capacitor, successive approximation ADCs include sample-and-hold.
The LTC1096/LTC1096L have a single differential analog input.
The LTC1098/LTC1098L offer a software selectable 2-channel MUX.
On-chip serial ports allow efficient data transfer to a wide range of microprocessors and microcontrollers over three wires.
This, coupled with micropower consumption, makes remote location possible and facilitates transmitting data through isolation barriers.
These circuits can be used in ratiometric applications or with an external reference.
The high impedance analog inputs and the ability to operate with reduced spans (below 1V full scale) allow direct connection to sensors and transducers in many applications, eliminating the need for gain stages.
Supply Current vs Sample Rate TA = 25°C VCC = VREF = 5V 1000 MPU (e.
g.
, 8051) CS/ VCC SHUTDOWN CLK +IN LTC1096 –IN DOUT GND P1.
4 P1.
3 P1.
2 100 ANALOG INPUT 0V TO 5V RANGE 10 1 0.
1 m o .
c U 4 t e e h S a at .
D w w w 1 10 SAMPLE FREQUENCY, fSMPL (kHz) 100 LTC1096/98 • TPC03 ...


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