12-bit A/D Converter - Tenx
Description
TM87A04
12-bit A/D Converter
GENERAL DESCRIPTION
The Serial TM87A04 is CMOS 12-bit SAR A/D converter and comparator.
A serial control interface is easy to communicate with TM87 series μP.
FEATURE
z 3-pins Serial control interface is easy to communicate with TM87 series μP.
z Operates ratio metrically or with 5 Vdc or analog span adjusted voltage reference z 8-channel multiplexer with address logic z 0V to VDD input range with single 2.
2V ~ 5V power supply
KEY SPECIFICATION
z Resolution z Total Unadjusted Error z Single Supply z A/D Conversion Time z Comparison Time
12 Bits ±6 LSB 2.
2V ~ 5V 48.
5μs 26.
5μs
PIN DESCRIPTION
Name
VDD VR CE OSCIN OSCOUT PADEOC CLK DIN DOUT GND CH1 ~ CH8 AGND
I/O Description
P Positive power supply.
I Reference voltage for analog input signal I Chip enable control signal I RC oscillator input pin O RC oscillator output pin O A pulse signal of EOC(end of conversion) I Clock for serial interface I Data input for serial interface O Data output for seri...
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