參數(shù)資料
型號(hào)： AD5313BRU
廠商： ANALOG DEVICES INC
元件分類： DAC
英文描述： +2.5 V to +5.5 V, 230 uA, Dual Rail-to-Rail Voltage Output 8-/10-/12-Bit DACs
中文描述： SERIAL INPUT LOADING, 7 us SETTLING TIME, 10-BIT DAC, PDSO16
封裝： MO-153AB, TSSOP-16
文件頁(yè)數(shù)： 1/18頁(yè)
文件大?。?/td> 227K
代理商： AD5313BRU
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD5303/AD5313/AD5323*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
+2.5 V to +5.5 V, 230 A, Dual Rail-to-Rail
Voltage Output 8-/10-/12-Bit DACs
FUNCTIONAL BLOCK DIAGRAM
BUFFER
POWER-DOWN
LOGIC
RESISTOR
NETWORK
STRING
DAC
AD5303/AD5313/AD5323
V
OUT
A
V
OUT
B
V
DD
V
REF
A
V
REF
B
DAC
REGISTER
DAC
REGISTER
>
SYNC
SCLK
DIN
GND
BUF A
SDO
CLR
BUF B
STRING
DAC
DCEN
LDAC
POWER-ON
RESET
PD
BUFFER
GAIN-SELECT
LOGIC
RESISTOR
NETWORK
INPUT
REGISTER
INPUT
REGISTER
INTERFACE
LOGIC
FEATURES
AD5303: Two Buffered 8-Bit DACs in One Package
AD5313: Two Buffered 10-Bit DACs in One Package
AD5323: Two Buffered 12-Bit DACs in One Package
16-Lead TSSOP Package
Micropower Operation: 300 A @ 5 V (Including
Reference Current)
Power-Down to 200 nA @ 5 V, 50 nA @ 3 V
+2.5 V to +5.5 V Power Supply
Double-Buffered Input Logic
Guaranteed Monotonic By Design Over All Codes
Buffered/Unbuffered Reference Input Options
Output Range: 0–V
REF
or 0–2 V
REF
Power-On-Reset to Zero Volts
SDO Daisy-Chaining Option
Simultaneous Update of DAC Outputs via
LDAC
Pin
Asynchronous
CLR
Facility
Low Power Serial Interface with Schmitt-Triggered
Inputs
On-Chip Rail-to-Rail Output Buffer Amplifiers
APPLICATIONS
Portable Battery Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
GENERAL DESCRIPTION
The AD5303/AD5313/AD5323 are dual 8-, 10- and 12-bit
buffered voltage output DACs in a 16-lead TSSOP package that
operate from a single +2.5 V to +5.5 V supply consuming 230
μ
A
at 3 V. Their on-chip output amplifiers allow the outputs to
swing rail-to-rail with a slew rate of 0.7 V/
μ
s. The AD5303/
AD5313/AD5323 utilize a versatile 3-wire serial interface that
operates at clock rates up to 30 MHz and is compatible with
standard SPI, QSPI, MICROWIRE and DSP interface
standards.
The references for the two DACs are derived from two reference
pins (one per DAC). These reference inputs may be configured
as buffered or unbuffered inputs. The parts incorporate a power-
on-reset circuit that ensures that the DAC outputs power-up to
0 V and remain there until a valid write to the device takes place.
There is also an asynchronous active low
CLR
pin that clears
both DACs to 0 V. The outputs of both DACs may be updated
simultaneously using the asynchronous
LDAC
input. The
parts contain a power-down feature that reduces the current
consumption of the devices to 200 nA at 5 V (50 nA at 3 V) and
provides software-selectable output loads while in power-down
mode. The parts may also be used in daisy-chaining applications
using the SDO pin.
The low power consumption of these parts in normal operation
make them ideally suited to portable battery operated equip-
ment. The power consumption is 1.5 mW at 5 V, 0.7 mW at
3 V, reducing to 1
μ
W in power-down mode.
*Protected by U.S. Patent No. 5684481; other patents pending.
SPI is a trademark of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
相關(guān)PDF資料
PDF描述
AD5303BRU +2.5 V to +5.5 V, 230 uA, Dual Rail-to-Rail Voltage Output 8-/10-/12-Bit DACs
AD5323 12-bit, 210MSPS ADC with DDR LVDS/CMOS outputs 48-VQFN -40 to 85
AD5303 ECONOLINE: RO & RE - Industry Standard Pinout- 1kVDC & 2kVDC Isolation- UL94V-0 Package Material- Toroidal Magnetics- Fully Encapsulated- Custom Solutions Available- Efficiency to 85%
AD5323BRU +2.5 V to +5.5 V, 230 uA, Dual Rail-to-Rail Voltage Output 8-/10-/12-Bit DACs
AD5323* +2.5 V to +5.5 V. 230 uA. Dual Rail-to-Rail Voltage Output 8-/10-/12-Bit DACs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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