NE5019 Datasheet | Philips Semiconductors

DESCRIPTION The NE/SE5018/19 is a plete 8-bit digital-to-analog converter subsystem on one monolithic chip. The data inputs have input latches which are controlled by a latch enable pin. The data and latch enable inputs are ultra-low loading for easy interfacing with all logic systems. The latches appear transparent when the LE input is in the low state. When LE goes high, the input data present at the moment of transition is latched and retained until LE again goes low. This feature allows easy patibility with most microprocessors. The chip also prises a stable voltage reference (5V nominal) and high slew rate buffer amplifier. The voltage reference may be externally trimmed with a potentiometer for easy adjustment of full-scale while maintaining a low temperature coefficient. The output of the buffer amplifier may be offset so as to provide bipolar as well as unipolar operation. PIN CONFIGURATIONS F, N Packages DIGITAL GND 1 DB0(LSB) 2 DB1 3 DB2 4 DB3 5 DB4 6 DB5 7 DB6 8 DB7(MSB) 9 LE 10 NC 11 22 ANALOG GND 21 AMP P 20 SUM MODE 19 V CC+ 18 V 17 VCC- 16 DAC P 15 BIPOLAR OFFSET R 14 V REFIN 13 V OUT 12 V REFADJ D Package1 FEATURES - 8-bit resolution - Input latches - Low-loading data inputs - On-chip voltage reference - Output buffer amplifier - Accurate to ± LSB (0.19%) - Monotonic to 8 bits - Amplifier and reference both short-circuit protected - patible with 8085, 6800 and many other µPs APPLICATIONS DIGITAL GND 1 DB0(LSB) 2 DB1 3 DB2 4 DB3 5 DB4 6 DB5 7 DB6 8 DB7(MSB) 9 NC 10 LE 11 VREFADJ 12 NOTE: 1. SOL and non-standard pinout 24 ANALOG GND 23 AMP P 22 SUM MODE 21 V CC+ 20 V OUT 19 NC 18 V CC- 17 DAC P 16 BIPOLAR OFFSET 15 NC 14 V REFIN 13 VREFOUT - Precision 8-bit D/A converters - A/D converters - Programmable power supplies - Test equipment - Measuring instruments - Analog-digital multiplication ORDERING INFORMATION DESCRIPTION 22-Pin Ceramic Dual In-Line Package (CERDIP) 22-Pin Ceramic Dual In-Line Package (CERDIP) 22-Pin Plastic Dual...