NE5020

Philips Semiconductors Linear Products Product specification 10-Bit µP-compatible D/A converter NE5020 DESCRIPTION The NE5020 is a microprocessor-compatible monolithic 10-bit digital-to-analog converter subsystem. This device offers 10-bit resolution and ±0.1% accuracy and monotonicity guaranteed over full operating temperature range. Low loading latches, adjustable logic thresholds, and addressing capability allow the NE5020 to directly interface with most microprocessor- and logic-controlled systems. The NE5020 contains internal voltage reference, DAC switches and resistor ladder. Also, the input buffer and output summing amplifier are included. In addition, the matched application resistors for scaling either unipolar or bipolar output values are included on a single monolithic chip. The result is a near minimum component count 10-bit resolution DAC system. PIN CONFIGURATION F, N Packages DIGITAL GND DB0(LSB) DB1 DB2 DB3 DB4 DB5 DB6 DB7(MSB) 1 2 3 4 5 6 7 8 9 24 ANALOG GND 23 AMP COMP 22 SUM MODE 21 V CC+ 20 V OUT 19 VCC– 18 BIPOLAR OFFSET R 17 +V REFIN 16 –VREFIN 15 VREFOUT 14 V REFADJ 13 LE2 NC 10 11 LE1 12 FEATURES • 10-bit resolution • Guaranteed monotonicity over operating range • ±0.1% relative accuracy • Unipolar (0V to +10V) and bipolar (± 5V) output range • Logic bus compatible • 5µs settling time APPLICATIONS • Precision 10-bit D/A converters • 10-bit analog-to-digital converters • Programmable power supplies • Test equipment • Measurement instruments ORDERING INFORMATION DESCRIPTION 24-Pin Ceramic Dual In-Line Package (CERDIP) 24-Pin Plastic Dual In-Line Package (DIP) TEMPERATURE RANGE 0 to 70°C 0 to 70°C ORDER CODE NE5020F NE5020N DWG # 0588B 0412A August 31, 1994 757 853-0392 13721 Philips Semiconductors Linear Products Product specification 10-Bit µP-compatible D/A converter NE5020 BLOCK DIAGRAM (11) DB9 MSB (10) DB8 (9) DB7 (8) DB6 (7) DB5 (6) DB4 (5) DB3 (4) DB2 (3) DB1 (2) DB0 LSB (13) LE2 LATCHES AND SWITCH DRIVERS (12) LE1 SUM (22) NODE (1) DIGITAL GND (21) +VCC VREF (15) OUT VREF (14) ADJ (17) +VREF IN (18) BIPOLAR OFFSET (16) –VREF IN RREF RBIP + – QR Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 QT INT VREF DAC SWITCHES DAC OUTPUT CURRENT Rfb – + VOUT (20) R AMP (23) COMP ANALOG (24) GND R –VCC (19) ABSOLUTE MAXIMUM RATINGS SYMBOL VCC+ VCCVIN VREF IN VREF ADJ VSUM IREFSC IOUTSC PD Positive supply voltage Negative supply voltage Logic input voltage Voltage at +VREF input Voltage at VREF adjust Voltage at sum node Short-circuit current to ground at VREF OUT Short-circuit current to ground or either supply at VOUT Maximum power dissipation TA=25°C, F package N package TA TSTG TSOLD Operating temperature range NE5020 Storage temperature range Lead soldering temperature (10 sec. max) (still-air)1 2150 2150 0 to +70 -65 to +150 300 mW mW °C °C °C PARAMETER RATING 18 -18 0 to 18 12 0 to VREF 12 Continuous Continuous UNIT V V V V V V NOTES: 1. Derate above 25°C at the following rates: F package at 17.2mW/°C N package at 17.2mW/°C August 31, 1994 758 Philips Semiconductors Linear Products Product specification 10-Bit µP-compatible D/A converter NE5020 DC ELECTRICAL CHARACTERISTICS VCC+=+15V, VCC-=-15V, 0 ≤ TA≤70°C, unless otherwise specified.1 Typical values are specified at 25°C. SYMBOL PARAMETER Resolution Monotonicity Relative accuracy VCC+ VCCVIN(1) VIN(0) IIN(1) IIN(0) VFS +VFS -VFS Positive supply voltage Negative supply voltage Logic “1” input voltage Logic “0” input voltage Logic “1” input current Logic “0” input current Full-scale output Full-scale output Negative full-scale Pin 1=0V Pin 1=0V Pin 1=0V, 2