10-Bit nanoDAC with SPI/I2C Interface
and 2 ppm/°C On-Chip Reference
Data Sheet
AD5310R/AD5311R
FEATURES
FUNCTIONAL BLOCK DIAGRAMS
V
V
V
DD
LOGIC
REF
High relative accuracy (INL): 0.5 LSB maximum
Low drift 2.5 V reference: 2 ppm/°C typical
Selectable span output: 2.5 V or 5 V
Total unadjusted error (TUE): 0.06% of FSR maximum
Offset error: 1.5 mV maximum
POWER-ON
RESET
AD5310R
2.5V
REF
LDAC
REF
10-BIT
DAC
REGISTER
OUTPUT
BUFFER
V
OUT
DAC
RESET
Gain error: 0.05% of FSR maximum
Low glitch: 0.1 nV-sec
High drive capability: 20 mA
Low power: 1.2 mW at 3.3 V
INPUT
CONTROL LOGIC
POWER-DOWN
CONTROL LOGIC
RESISTOR
NETWORK
Independent logic supply: 1.8 V logic compatible
Wide operating temperature range: −40°C to +105°C
Robust 4 kV HBM ESD protection
SYNC
SCLK SDI
LOGIC
GND
Figure 1. AD5310R
APPLICATIONS
V
V
V
DD
REF
Process controls
Data acquisition systems
Digital gain and offset adjustment
Programmable voltage sources
Optical modules
POWER-ON
RESET
AD5311R
2.5V
REF
LDAC
REF
10-BIT
DAC
REGISTER
OUTPUT
BUFFER
V
OUT
DAC
RESET
INPUT
CONTROL LOGIC
POWER-DOWN
CONTROL LOGIC
GENERAL DESCRIPTION
RESISTOR
NETWORK
The AD5310R/AD5311R, members of the nanoDAC® family, are
low power, single-channel, 10-bit buffered voltage output DACs.
The devices include an enabled by default internal 2.5 V
reference, and provides 2 ppm/°C. The output span can be
programmed to be 0 V to VREF or 0 V to 2 × VREF. All devices
operate from a single 2.7 V to 5.5 V supply and are guaranteed
monotonic by design. The devices are available in 10-lead
MSOP packages.
SDA
SCL
A0
GND
Figure 2. AD5311R
Table 1. Related Devices
Interface
Reference
12-Bit
10-Bit
AD53101
AD53111
SPI
I2C
External
External
AD5681R
The internal power-on reset circuit of the AD5310R/AD5311R
ensures that the DAC register is written to zero scale at powerup
when the internal output buffer is configured in normal mode.
The devices contain a power-down mode that reduces the
current consumption of the device to 2 µA at 5 V.
1 The AD5310R and AD5311R are not pin-to-pin or software compatible with
the AD5310 and AD5311, respectively.
PRODUCT HIGHLIGHTS
The AD5310R/AD5311R use a versatile SPI or I2C interface,
1. High Relative Accuracy (INL): 0.5 LSB maximum.
2. Low Drift 2.5 V On-Chip Reference: 5 ppm/°C maximum
temperature coefficient.
RESET
including an asynchronous
pin and a VLOGIC pin that
provides 1.8 V compatibility.
Rev. B
Document Feedback
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rightsof third parties that may result fromits use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks andregisteredtrademarks are the property of their respective owners.
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Tel: 781.329.4700 ©2014–2017 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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