DAC5311_15 Datasheet, PDF (1/39 Pages) Texas Instruments – 12-Bit, Low-Power, Single-Channel Digital-to-Analog Converters in SC70 Package

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DAC5311, DAC6311, DAC7311
SBAS442C – AUGUST 2008 – REVISED JULY 2015
DACx311 2-V to 5.5-V, 80-µA, 8-, 10-, and 12-Bit, Low-Power, Single-Channel,
Digital-to-Analog Converters in SC70 Package
1 Features
•1 Relative Accuracy:
– 0.25 LSB INL (DAC5311: 8-Bit)
– 0.5 LSB INL (DAC6311: 10-Bit)
– 1 LSB INL (DAC7311: 12-Bit)
• microPower Operation: 80 μA at 2.0 V
• Power-Down: 0.5 μA at 5 V, 0.1 μA at 2.0 V
• Wide Power Supply: 2.0 V to 5.5 V
• Power-On Reset to Zero Scale
• Straight Binary Data Format
• Low Power Serial Interface With Schmitt-
Triggered Inputs: up to 50 MHz
• On-Chip Output Buffer Amplifier, Rail-to-Rail
Operation
• SYNC Interrupt Facility
• Extended Temperature Range –40°C to +125°C
• Pin-Compatible Family in a Tiny, 6-Pin SC70
Package
2 Applications
• Portable, Battery-Powered instruments
• Process Controls
• Digital Gain and Offset Adjustment
• Programmable Voltage and Current Sources
Simplified Schematic
AV_DD GND
Power-On
Reset
DAC
Register
REF(+)
8-/10-/12-Bit
DAC
Output
Buffer
V_OUT
Input Control
Logic
Power-Down
Control Logic
Resistor
Network
3 Description
The DAC5311 (8-bit), DAC6311 (10-bit), and
DAC7311 (12-bit) devices are low-power, single-
channel, voltage output digital-to-analog converters
(DACs). The low power consumption of these devices
in normal operation (0.55 mW at 5 V, reducing to 2.5
μW in power-down mode) makes it ideally suited for
portable, battery-operated applications.
These devices are monotonic by design, 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, three-wire serial interface that
operates at clock rates of up to 50 MHz and is
compatible with standard SPI™, QSPI™, Microwire,
and digital signal processor (DSP) interfaces.
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 0 V 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 0.1 μA at 2.0 V in power-down mode.
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
devices are available in a small, 6-pin, SC70 (SOT)
package. This package offers a flexible, pin- and
function-compatible, drop-in solution within the family
over an extended temperature range of –40°C to
+125°C.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DACx311
SC70 (6)
2.00 mm × 1.25 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
SYNC SCLK D_IN
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.