AD7564BRZ

AD7564 is a LC²MOS +3.3V/+5V, low power, quad 12bit DAC. It contains four 12bit DACs in one monolithic device. The DACs are standard current output with separate VREF, IOUT1, IOUT2 and RFB terminals. These DACs operate from a single +3.3V to +5V supply. Data is loaded using active-low FSIN, CLKIN and SDIN. Two address pins A0 and A1 set up a device address, and this feature may be used to simplify device loading in a multi-DAC environment. Alternatively, A0 and A1 can be ignored and the serial out capability used to configure a daisy-chained system. All DACs can be simultaneously updated using the asynchronous active-low LDAC input, and they can be cleared by asserting the asynchronous active-low CLR input. Typical applications are process control, portable instrumentation, general purpose test equipment.

• Fast, versatile serial interface compatible with modern 3V and 5V microprocessors and microcomputers
• 4-quadrant multiplication, separate references
• Single supply operation, low power, reset function
• Versatile serial interface, simultaneous update capability
• Relative accuracy is ±0.5LSB max (VDD=4.75V to 5.25V; IOUT1A to IOUT1D=IOUT2A=IOUT2D=AGND=0V)
• Differential nonlinearity is ±0.5LSB max (all grades guaranteed monotonic over temperature)
• Gain error is ±4LSB max (+25°C, VDD=4.75V to 5.25V; IOUT1A to IOUT1D=IOUT2A=IOUT2D=AGND=0V)
• Gain temperature coefficient is 2ppm FSR/°C typ (VDD=4.75V to 5.25V)
• 28-lead SOIC-W package
• Temperature rating range from -40°C to +85°C

บันทึก

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