HS3140

® HS3140/SP7514 14-Bit Multiplying DACs s Monolithic Construction s 14–Bit Resolution s 0.003% Non-Linearity s Four-Quadrant Multiplication s Latch-up Protected s Low Power - 30mW s Single +15V Power Supply DESCRIPTION… The SP7514 and HS3140 are precision 14-bit multiplying DACs, that provide four-quadrant multiplication. Both parts accept both AC and DC reference voltages. The SP7514 is available for use in commercial and industrial temperature ranges, packaged in a 20-pin SOIC. The HS3140 is available in commercial and military temperature ranges, packaged in a 20-pin side-brazed DIP. V REF 19 96k 15 EQUAL SECTIONS 96k 48k 96k SP7514, HS3140 SP7514 2 96k I OUT2 GND VDD 3 18 4 to 16 DECODE 4 5 6 7 BIT 4 17 BIT 14 LSB 6k 20 R FEEDBACK SWITCHES ARE SHOWN IN THE HIGH STATE 1 I OUT1 BIT 1 BIT 2 BIT 3 (MSB) HS3140/SP7514 HS3140/SP7514 14-Bit Multiplying DACs © Copyright 2000 Sipex Corporation 1 SPECIFICATIONS (Typical @ 25°C, nominal power supply, VREF = +10V, unipolar unless otherwise noted) PARAMETER DIGITAL INPUT Resolution 2–Quad, Unipolar Coding 4–Quad, Bipolar Coding Logic Compatibility Input Current REFERENCE INPUT Voltage Range Input Impedance ANALOG OUTPUT Scale Factor Scale Factor Accuracy Output Leakage Output Capacitance COUT 1, all inputs high COUT 1, all inputs low COUT 2, all inputs high COUT 2, all inputs low STATIC PERFORMANCE Integral Linearity SP7514KN/BN, HS3140–4 SP7514JN/AN, HS3140–3 Differential Linearity SP7514KN/BN, HS3140–4 SP7514JN/AN, ...