DAC5311
DAC6311
DAC7311
www.ti.com
SBAS442A –AUGUST 2008–REVISED AUGUST 2011
1.8V to 5.5V, 80μA, 8-, 10-, and 12-Bit, Low-Power, Single-Channel,
DIGITAL-TO-ANALOG CONVERTERS in SC70 Package
Check for Samples: DAC5311, DAC6311, DAC7311
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FEATURES
DESCRIPTION
The DAC5311 (8-bit), DAC6311 (10-bit), and
234
•
Relative Accuracy:
DAC7311 (12-bit) are low-power, single-channel,
voltage output digital-to-analog converters (DAC).
They are monotonic by design and provide excellent
linearity and minimize undesired code-to-code
transient voltages while offering an easy upgrade
path within a pin-compatible family. All devices use a
versatile, 3-wire serial interface that operates at clock
rates of up to 50MHz and is compatible with standard
SPI™, QSPI™, MICROWIRE™, and digital signal
processor (DSP) interfaces.
–
–
–
0.25 LSB INL (DAC5311: 8-bit)
0.5 LSB INL (DAC6311: 10-bit)
1 LSB INL (DAC7311: 12-bit)
•
microPower Operation: 80μA at 1.8V
Power-Down: 0.5μA at 5V, 0.1μA at 1.8V
Wide Power Supply: +1.8V to +5.5V
Power-On Reset to Zero Scale
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•
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Straight Binary Data Format
All devices use an external power supply as a
reference voltage to set the output range. The
devices incorporate a power-on reset (POR) circuit
that ensures the DAC output powers up at 0V and
remains there until a valid write to the device occurs.
The DAC5311, DAC6311, and DAC7311 contain a
power-down feature, accessed over the serial
interface, that reduces current consumption of the
device to 0.1μA at 1.8V in power down mode. The
low power consumption of this part in normal
operation makes it ideally suited for portable,
battery-operated equipment. The power consumption
is 0.55mW at 5V, reducing to 2.5μW in power-down
mode.
Low Power Serial Interface with
Schmitt-Triggered Inputs: Up to 50MHz
•
On-Chip Output Buffer Amplifier, Rail-to-Rail
Operation
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•
•
SYNC Interrupt Facility
Extended Temperature Range –40°C to +125°C
Pin-Compatible Family in a Tiny, 6-Pin SC70
Package
APPLICATIONS
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Portable, Battery-Powered instruments
Process Control
These devices are pin-compatible with the DAC8311
and DAC8411, offering an easy upgrade path from
8-, 10-, and 12-bit resolution to 14- and 16-bit. All
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
devices are available in
package. This package
a
small, 6-pin, SC70
offers flexible,
a
pin-compatible, and functionally-compatible drop-in
solution within the family over an extended
temperature range of –40°C to +125°C.
RELATED
DEVICES
16-BIT
14-BIT
12-BIT
10-BIT
8-BIT
Pin and
Function
Compatible
DAC8411 DAC8311 DAC7311 DAC6311 DAC5311
AVDD GND
Power-On
Reset
REF(+)
DAC
Register
Output
Buffer
VOUT
8-/10-/12-Bit
DAC
Power-Down
Control Logic
Input Control
Logic
Resistor
Network
DIN
SYNC SCLK
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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3
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SPI, QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008–2011, Texas Instruments Incorporated
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