SP9504

® SP9504 Quad, 12–Bit, Voltage Output D/A Converter s s s s s s s s s s s Low Cost Four 12–Bit DAC’s on a Single Chip Low Power — 80 mW (20mW/DAC) Double-Buffered Inputs ± 5V Supply Operation Voltage Outputs, ±4.5V Range Midscale Preset, Zero Volts Out Guaranteed +0.5 LSB Max INL Guaranteed +0.75 LSB Max DNL 2MHz 4-Quadrant Multiplying Bandwidth 28–pin SOIC and Plastic DIP Packages s Either 12 or 8 bit µP bus DESCRIPTION The SP9504 is a low power replacement for the popular SP9345, Quad 12-Bit Digital-to-Analog Converter. It features +4.5V output swings when using ±5 volt supplies. The converter is doublebuffered for easy microprocessor interface. Each 12-bit DAC is independently addressable and all DACS may be simultaneously updated using a single transfer command. The output settlingtime is specified at 4µs. The SP9504 is available in 28–pin SOIC and plastic DIP packages, specified over commercial temperature range. Ref In INPUT REGISTERS DATA INPUTS 8 MSB's 4 LSB's LATCH LATCH DAC REGISTERS – LATCH DAC + VOUT1 – LATCH DAC + VOUT2 – LATCH LATCH DAC + VOUT3 – LATCH LATCH DAC + VOUT4 CONTROL LOGIC A0 A1 CS WR1 B1/B2 WR2 XFER CLR SP9504DS/03 SP9504 Quad, 12-Bit, Voltage Output D/A Converter © Copyright 2000 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximu...