DAC9881SBRGERG4 Datasheet
18-Bit, Single Channel, Low Noise, Voltage Output Digital-To-Analog Converter
Download: DAC9881SBRGERG4 Datasheet 
DAC9881SBRGERG4
18-Bit, Single Channel, Low Noise, Voltage Output Digital-To-Analog Converter
DAC9881
18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER
FEATURES
234 18-Bit Monotonic Over Temperature Range
Relative Accuracy: 2LSB Max
Low-Noise: 24nV/ Hz
Fast Settling: 5 s
On-Chip Output Buffer Amplifier with
Rail-to-Rail Operation
Single Power Supply: +2.7V to +5.5V
DAC Loading Control
Selectable Power-On Reset to Zero-Scale or
Midscale
Power-Down Mode
Unipolar Straight Binary or
Twos Complement Input Mode
Fast SPI Interface with Schmitt-Triggered
Inputs: up to 50MHz, 1.8V/3V/5V Logic
Small Package: QFN-24, 4mm x 4mm
Applications
Automatic Test Equipment
Precision Instrumentation
Industrial Control
Data Acquisition Systems
Description
The Dac9881 Is An 18-bit, Single-channel, Voltage-output Digital-to-analog Converter (dac). It
Features 18-bit Monotonicity, Excellent Linearity, Very Low-noise, And Fast Settling Time. The
On-chip Precision Output Amplifier Allows Rail-to-rail Output Swing To Be Achieved Over The Full
supply range of 2.7V to 5.5V.
The Device Supports A Standard Spi Serial Interface Capable Of Operating With Input Data Clock
Frequencies Up To 50mhz. The Dac9881 Requires An External Reference Voltage To Set The Output Range
Of The Dac Channel. A Programmable Power-on Reset Circuit Is Also Incorporated Into The Device To
Ensure That The Dac Output Powers Up At Zero-scale Or Midscale, And Remains There Until A Valid
write command.
Additionally, The Dac9881 Has The Capability To Function In Either Unipolar Straight Binary Or Twos
Complement Mode. The Dac9881 Provides Low-power Operation. To Further Save Energy, Power-down Mode
Can Be Achieved By Accessing The Pdn Pin, Thereby Reducing The Current Consumption To 25 A At 5v.
Power consumption is 4mW at 5V, reducing to 125 W in power-down mode.
The Dac9881 Is Available In A 4mm X 4mm Qfn-24 Package With A Specified Temperature Range Of -40 C
to +105 C.
RST RSTSEL USB/BTC
SDI CS SCLK
SDOSEL SDO
SPI Interface Shift Register
DGND IOVDD
VREFH-S VREFH-F
DAC9881SBRGERG4 Datasheet
DAC9881 - 18-Bit, Single Channel, Low Noise, Voltage Output Digital-To-Analog
Download: DAC9881SBRGERG4 Datasheet
DAC9881SBRGERG4
DAC9881 - 18-Bit, Single Channel, Low Noise, Voltage Output Digital-To-Analog
DAC9881
18-Bit, Single-Channel, Low-Noise, Voltage-Output DIGITAL-TO-ANALOG CONVERTER
FEATURES
234 18-Bit Monotonic Over Temperature Range
Relative Accuracy: 2LSB Max
Low-Noise: 24nV/ Hz
Fast Settling: 5 s
On-Chip Output Buffer Amplifier with
Rail-to-Rail Operation
Single Power Supply: +2.7V to +5.5V
DAC Loading Control
Selectable Power-On Reset to Zero-Scale or
Midscale
Power-Down Mode
Unipolar Straight Binary or
Twos Complement Input Mode
Fast SPI Interface with Schmitt-Triggered
Inputs: up to 50MHz, 1.8V/3V/5V Logic
Small Package: QFN-24, 4mm x 4mm
Applications
Automatic Test Equipment
Precision Instrumentation
Industrial Control
Data Acquisition Systems
Description
The Dac9881 Is An 18-bit, Single-channel, Voltage-output Digital-to-analog Converter (dac). It
Features 18-bit Monotonicity, Excellent Linearity, Very Low-noise, And Fast Settling Time. The
On-chip Precision Output Amplifier Allows Rail-to-rail Output Swing To Be Achieved Over The Full
supply range of 2.7V to 5.5V.
The Device Supports A Standard Spi Serial Interface Capable Of Operating With Input Data Clock
Frequencies Up To 50mhz. The Dac9881 Requires An External Reference Voltage To Set The Output Range
Of The Dac Channel. A Programmable Power-on Reset Circuit Is Also Incorporated Into The Device To
Ensure That The Dac Output Powers Up At Zero-scale Or Midscale, And Remains There Until A Valid
write command.
Additionally, The Dac9881 Has The Capability To Function In Either Unipolar Straight Binary Or Twos
Complement Mode. The Dac9881 Provides Low-power Operation. To Further Save Energy, Power-down Mode
Can Be Achieved By Accessing The Pdn Pin, Thereby Reducing The Current Consumption To 25 A At 5v.
Power consumption is 4mW at 5V, reducing to 125 W in power-down mode.
The Dac9881 Is Available In A 4mm X 4mm Qfn-24 Package With A Specified Temperature Range Of -40 C
to +105 C.
RST RSTSEL USB/BTC
SDI CS SCLK
SDOSEL SDO
SPI Interface Shift Register
DGND IOVDD
VREFH-S VREFH-F