3 1/2 Digit, Low Power, High Cmrr, Lcd/led Display-type A/d Converters

The Intersil HI7131 and HI7133 are 31/2 digit, A/D convert- ers that have been optimized for superior DC Common Mode Rejection (CMRR) when used with a split 5V supply or a single 9V battery. The HI7131 contains all the neces- sary active components on a single IC to directly Interface an LCD (Liquid Crystal Display). The supply current is under 100A and is ideally suited for battery operation. The HI7133 contains all the necessary active components on a single IC to directly Interface an LED (Light Emitting Diode). The HI7131 and HI7133 feature high accuracy performance like, 120dB of CMRR, auto-zero to less than 10V of offset, fast recovery from over load, zero drift of less than 1V/ oC, input bias current of 10pA maximum, and rollover error of less than one count. A true differential signal and reference inputs are useful features in all systems, but gives the designer an advantage when measuring load cells, strain gauges and other bridge-type transducers. The HI7131 and HI7133 are supplied in a 40 lead plastic DIP and a 44 lead metric plastic quad atpack package. By Intersil Corporation
HI7131 's PackagesHI7131 's pdf datasheet
HI7131CPL PDIP
HI7131CM44 MQFP
HI7133CPL PDIP
HI7133CM44 MQFP




HI7131 Pinout, Pinouts
HI7131 pinout,Pin out
This is one package pinout of HI7131,If you need more pinouts please download HI7131's pdf datasheet.

HI7131 Application circuits
HI7131 circuits
This is one application circuit of HI7131,If you need more circuits,please download HI7131's pdf datasheet.


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