DAC8311 Datasheet, PDF (1/38 Pages) Texas Instruments – 1.8V to 5.5V, 80mA, 14- and 16-Bit, Low-Power, Single-Channel, DIGITAL-TO-ANALOG CONVERTERS in SC70 Package

DAC8311
DAC8411
www.ti.com ................................................................................................................................................................................................ SBAS439 – AUGUST 2008
1.8V to 5.5V, 80µA, 14- and 16-Bit, Low-Power, Single-Channel,
DIGITAL-TO-ANALOG CONVERTERS in SC70 Package
FEATURES
1
•234 Relative Accuracy:
– 1 LSB INL (DAC8311: 14-bit)
– 4 LSB INL (DAC8411: 16-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
• Straight Binary Data Format
• Low Power Serial Interface with
Schmitt-Triggered Inputs: Up to 50MHz
• 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
APPLICATIONS
• Portable, Battery-Powered instruments
• Process Control
• Digital Gain and Offset Adjustment
• Programmable Voltage and Current Sources
RELATED
DEVICES
Pin and
Function
Compatible
16-BIT 14-BIT 12-BIT 10-BIT
8-BIT
DAC8411 DAC8311 DAC7311 DAC6311 DAC5311
DESCRIPTION
The DAC8311 (14-bit) and DAC8411 (16-bit) are
low-power, single-channel, voltage output
digital-to-analog converters (DAC). They 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.
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 DAC8311 and DAC8411 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.
These devices are pin-compatible with the DAC5311,
DAC6311, and DAC7311, 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 package. This package offers a flexible,
pin-compatible, and functionally-compatible drop-in
solution within the family over an extended
temperature range of –40°C to +125°C.
Power-On
Reset
DAC
Register
AV_DD GND
REF(+)
14-/16-Bit DAC
Output
Buffer
V_OUT
Input Control
Logic
Power-Down
Control Logic
Resistor
Network
SYNC SCLK D_IN
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.
SPI, QSPI are trademarks of Motorola, Inc.
2
MICROWIRE is a trademark of National Semiconductor Corporation.
3
All other trademarks are the property of their respective owners.
4
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, Texas Instruments Incorporated