
1
FEATURES
DESCRIPTION
APPLICATIONS
Power-On
Reset
DAC
Register
8-/10-/12-Bit
DAC
Output
Buffer
InputControl
Logic
Power-Down
ControlLogic
Resistor
Network
SYNC SCLK
D
IN
AV
DD
GND
V
OUT
REF(+)
www.ti.com ................................................................................................................................................................................................ SBAS442 – AUGUST 2008
1.8V to 5.5V, 80
A, 8-, 10-, and 12-Bit, Low-Power, Single-Channel,
DIGITAL-TO-ANALOG CONVERTERS in SC70 Package
234
Relative Accuracy:
The
DAC5311
(8-bit),
DAC6311
(10-bit),
and
DAC7311 (12-bit) are low-power, single-channel,
–
0.25 LSB INL (DAC5311: 8-bit)
voltage output digital-to-analog converters (DAC).
–
0.5 LSB INL (DAC6311: 10-bit)
They are monotonic by design and provide excellent
–
1 LSB INL (DAC7311: 12-bit)
linearity
and
minimize
undesired
code-to-code
microPower Operation: 80A at 1.8V
transient voltages while offering an easy upgrade
path within a pin-compatible family. All devices use a
Power-Down: 0.5A at 5V, 0.1A at 1.8V
versatile, 3-wire serial interface that operates at clock
Wide Power Supply: +1.8V to +5.5V
rates of up to 50MHz and is compatible with standard
Power-On Reset to Zero Scale
SPI, QSPI, MICROWIRE, and digital signal
processor (DSP) interfaces.
Straight Binary Data Format
Low Power Serial Interface with
All devices use an external power supply as a
reference voltage to set the output range. The
Schmitt-Triggered Inputs: Up to 50MHz
devices incorporate a power-on reset (POR) circuit
On-Chip Output Buffer Amplifier, Rail-to-Rail
that ensures the DAC output powers up at 0V and
Operation
remains there until a valid write to the device occurs.
SYNC Interrupt Facility
The DAC5311, DAC6311, and DAC7311 contain a
power-down
feature,
accessed
over
the
serial
Extended Temperature Range –40°C to +125°C
interface, that reduces current consumption of the
Pin-Compatible Family in a Tiny, 6-Pin SC70
device to 0.1
A at 1.8V in power down mode. The
Package
low power consumption of this part in normal
operation
makes
it
ideally
suited
for
portable,
battery-operated equipment. The power consumption
Portable, Battery-Powered instruments
is 0.55mW at 5V, reducing to 2.5
W in power-down
mode.
Process Control
Digital Gain and Offset Adjustment
These devices are pin-compatible with the
DAC8311and
DAC8411, offering an easy upgrade path from
Programmable Voltage and Current Sources
8-, 10-, and 12-bit resolution to 14- and 16-bit. All
devices are available in a small, 6-pin, SC70
package.
This
package
offers
a
flexible,
RELATED
pin-compatible, and functionally-compatible drop-in
DEVICES
16-BIT
14-BIT
12-BIT
10-BIT
8-BIT
solution
within
the
family
over
an
extended
Pin and
Function
temperature range of –40°C to +125°C.
Compatible
1
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.
2
SPI, QSPI are trademarks of Motorola, Inc.
3
MICROWIRE is a trademark of National Semiconductor Corporation.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.