ZN429D

THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS MAY 1994 DS3008-2.0 ZN429E8/ZN429D LOW COST 8-BIT D-A CONVERTER The ZN429 is a monolithic 8-bit D-A converter containing an R-2R ladder network of diffused resistors with precision bipolar switches. BIT 3 BIT 2 (MSB) BIT 1 ANALOG OUTPUT V REF IN NC 0V 1 2 3 4 5 6 7 14 13 12 ZN429E8 11 10 9 8 +V CC (+5V) BIT 4 BIT 5 BIT 6 BIT 7 BIT 8 (LSB) NC FEATURES s Linearity Error ±1/2 LSB s Single +5V Supply s Low Power Consumption 25mW Typical s Settling Time 1 Microsecond Typical s TTL and 5V CMOS Compatible s Designed for Low Cost Applications ABSOLUTE MAXIMUM RATINGS Supply voltage, VCC Max. voltage, logic and VREF inputs Storage temperature range +7.0V +5.5V -55°C to +125°C DP14 NC ANALOG OUTPUT V REF IN GROUND BIT 8 BIT 7 GROUND 1 2 3 4 5 6 7 14 13 12 ZN429D 11 10 9 8 BIT 1 BIT 2 BIT 3 +V CC BIT 4 BIT 5 BIT 6 ORDERING INFORMATION Ambient operating temperature Package, ZN429D Package, ZN429E8 -40°C to +85°C MP14 DP14 MP14 Fig.1 Pin connections (not to scale) - top view ZN429 ELECTRICAL CHARACTERISTICS (at Tamb = 25°C and VCC = +5V unless otherwise specified) Parameter Converter Resolution Accuracy Non-linearity Differential non-linearity Settling time to 0.5LSB Settling time to 0.5LSB Offset voltage ZN429E8, ZN429D VOS temperature coefficient Full-scale output Full-scale temp. coefficient Non-linearity temp. coefficient Analog output resistance External reference voltage Supply voltage Supp...