DAC8830 datasheet, PDF - EEWORLD Datasheet

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DAC8830: DescriptionSERIAL INPUT LOADING, 1 us SETTLING TIME, 16-BIT DAC, PDSO8; Categorysemiconductor logic; File Size561KB，25 Pages; ManufacturerBurr-Brown; Websitehttp://www.burr-brown.com/

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DAC8830 Overview

SERIAL INPUT LOADING, 1 us SETTLING TIME, 16-BIT DAC, PDSO8

DAC8830 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Rated supply voltage	3 V
Maximum linear error	0.0031 %
Processing package description	GREEN, PLASTIC, SOIC-8
Lead-free	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	ACTIVE
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	1.27 mm
terminal coating	NICKEL PALLADIUM GOLD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
Input format	SERIAL
Type of converter	16-BIT DAC
Input bit encoding	BINARY
Rated settling time	1 us
Maximum analog output voltage	2.5 V
Minimum analog output voltage	0.0 V

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Burr Brown Products

from Texas Instruments

DAC8830

DAC8831

SLAS449A – FEBRUARY 2005 – REVISED MARCH 2005

16-Bit, Ultra-Low Power, Voltage-Output

Digital-to-Analog Converters

FEATURES

•

16-Bit Resolution

2.7V to 5.5V Single-Supply Operation

Very Low Power: 15µW for 3V Power

High Accuracy, INL: 1LSB

Low Glitch: 8nV-s

Low Noise: 10nV/√Hz

Fast Settling: 1.0µS

Fast SPI Interface, up to 50MHz

Reset to Zero-Code

Schmitt-Trigger Inputs for Direct Optocoupler

Interface

Industry-Standard Pin Configuration

DESCRIPTION

The DAC8830 and DAC8831 are single, 16-bit,

serial-input, voltage-output digital-to-analog con-

verters (DACs) operating from a single 3V to 5V

power supply. These converters provide excellent

linearity (1LSB INL), low glitch, low noise, and fast

settling (1.0µS to 1/2 LSB of full-scale output) over

the specified temperature range of –40°C to +85°C.

The output is unbuffered, which reduces the power

consumption and the error introduced by the buffer.

These parts feature a standard high-speed (clock up

to 50MHz), 3V or 5V SPI serial interface to communi-

cate with the DSP or microprocessors.

The DAC8830 output is 0V to V

REF

. However, the

DAC8831 provides bipolar output (±V

REF

) when work-

ing with an external buffer. The DAC8830 and

DAC8831 are both reset to zero-code after power up.

For optimum performance, a set of Kelvin connec-

tions to external reference and analog ground input

are provided on the DAC8831.

The DAC8830 is available in an SO-8 package and

the DAC8831 in an SO-14 package. Both have

industry standard pinouts (see Table 3, the Cross

Reference table in the

Application Information

section

for details).

DAC8831

Functional Block Diagram

REF

−S

REF

−F

INV

RFB

INV

Serial Interface

and Control Logic

DAC

OUT

−

APPLICATIONS

Portable Equipment

Automatic Test Equipment

Industrial Process Control

Data Acquisition Systems

Optical Networking

DAC8830

Functional Block Diagram

REF

SCLK

SDI

Serial

Interface

DAC

OUT

LDAC

AGND

Input

SCLK

SDI

DAC Latch

Input

DAC Latch

DAC8831

−V

OPA277

AGNDF

OPA704

AGNDS

OPA727

DAC8830

DGND

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.

All 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.

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