The DAC8551AQDGKRQ1 is a small, low-power, voltage output, 16-bit digital-to-analog converter(DAC). It is monotonic, provides good linearity, and minimizes undesired code-to-code transientvoltages. The DAC8551AQDGKRQ1 uses a versatile 3-wire serial interface that operates at clock rates to 30MHz and is compatible with standard SPI™,QSPI™, Microwire™, and digital signal processor (DSP)interfaces.
The DAC8551AQDGKRQ1 requires an external reference voltage to set its output range. The DAC8551incorporates a power-on-reset circuit that ensures the DAC output powers up at 0 V and remainsthere until a valid write takes place to the device. The DAC8551AQDGKRQ1 contains a power-down feature,accessed over the serial interface, that reduces the current consumption of the device to 200 nA at5 V.
The low-power consumption of this device in normal operation makes it ideally suited forportable, battery-operated equipment. The power consumption is 0.38 mW at 2.7 V,reducing to less than 1 µW in powerâdownmode.
For additional flexibilty, see the DAC8550 (SLAS476), a 2s complement-input counterpart to the DAC8551.
Relative Accuracy: 8LSB
Glitch Energy: 0.1 nV-s
MicroPower Operation: 140 µA at 2.7 V
Power-On Reset to Zero
Power Supply: 2.7 V to 5.5 V
16-Bit Monotonic
Settling Time: 10 µs to ±0.003% FSR
Low-Power Serial Interface with
Schmitt-Triggered Inputs
On-Chip Output Buffer Amplifier with
Rail-to-Rail Operation
Power-Down Capability
Binary Input
SYNC Interrupt Facility
Drop-In Compatible With DAC85x1
and DAC8550 (2s Complement Input)
Number of Bits
16
Number of D/A Converters
1
Settling Time
8??s (Typ)
Output Type
Voltage - Buffered
Differential Output
No
Data Interface
SPI, DSP
Reference Type
External
Voltage Supply, Analog
3.2V ~ 5.5V
Voltage Supply, Digital
3.2V ~ 5.5V
INL/DNL (LSB)
??4, ??0.35
Architecture
String DAC
Operating Temperature
-40??C ~ 125??C
Package / Case
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Supplier Device Package
8-VSSOP
Mounting Type
Surface Mount
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