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參數(shù)資料
| 型號(hào)： | AD5311BRM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 12-bit, 500 MSPS Analog-to-Digital Converter with Buffered Input 80-HTQFP |
| 中文描述： | SERIAL INPUT LOADING, 7 us SETTLING TIME, 10-BIT DAC, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 178K |
| 代理商： | AD5311BRM |
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
AD5301/AD5311/AD5321*
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, 120
m
A, 2-Wire Interface,
Voltage Output 8-/10-/12-Bit DACs
FUNCTIONAL BLOCK DIAGRAM
RESISTOR
NETWORK
BUFFER
V
OUT
DAC
REGISTER
POWER-DOWN
LOGIC
AD5301/AD5311/AD5321
V
DD
SCL
A0
GND
A1*
REF
POWER-ON
RESET
PD
*
SDA
*AVAILABLE ON 8-LEAD VERSION ONLY
8-/10-/12-BIT
DAC
INTERFACE
LOGIC
FEATURES
AD5301: Buffered Voltage Output 8-Bit DAC
AD5311: Buffered Voltage Output 10-Bit DAC
AD5321: Buffered Voltage Output 12-Bit DAC
6-Lead SOT-23 and 8-Lead
m
SOIC Packages
Micropower Operation: 120
m
A @ 3 V
2-Wire (I
2
C
Compatible) Serial Interface
Data Readback Capability
+2.5 V to +5.5 V Power Supply
Guaranteed Monotonic By Design Over All Codes
Power-Down to 50 nA @ 3 V
Reference Derived from Power Supply
Power-On-Reset to Zero Volts
On-Chip Rail-to-Rail Output Buffer Amplifier
Three Power-Down Functions
APPLICATIONS
Portable Battery Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
GENERAL DESCRIPTION
The AD5301/AD5311/AD5321 are single 8-, 10- and 12-bit
buffered voltage-output DACs that operate from a single +2.5 V
to +5.5 V supply consuming 120
μ
A at 3 V. The on-chip output
amplifier allows rail-to-rail output swing with a slew rate of
0.7 V/
μ
s. It uses a 2-wire (I
2
C compatible) serial interface that
operates at clock rates up to 400 kHz. Multiple devices can
share the same bus.
The reference for the DAC is derived from the power supply
inputs and thus gives the widest dynamic output range. These
parts incorporate a power-on-reset circuit, which ensures that
the DAC output powers-up to zero volts and remains there until
a valid write takes place. The parts contain a power-down feature
which reduces the current consumption of the device to 50 nA
at 3 V and provides software-selectable output loads while in
power-down mode.
The low power consumption in normal operation make these
DACs ideally suited to portable battery-operated equipment.
The power consumption is 0.75 mW at 5 V, 0.36 mW at 3 V
reducing to 1
μ
W in all power-down modes.
I
2
C is a registered trademark of Philips Corporation.
*Protected by U.S. Patent No. 5684481, other patent pending.
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| AD5311BRT | 12-bit, 500 MSPS Analog-to-Digital Converter with Buffered Input 80-HTQFP |
| AD5321* | +2.5 V to +5.5 V. 120 uA. 2-Wire Interface. Voltage Output 8-/10-/12-Bit DACs |
| AD5324 | +2.5V to+5.5V,500μA, Quad Rail-to-Rail,Voltage Output 12-Bit DACs(滿幅度電壓輸出四12位D/A轉(zhuǎn)換器) |
| AD5325BRM | 2.5 V to 5.5 V, 500 uA, 2-Wire Interface Quad Voltage Output, 8-/10-/12-Bit DACs |
| AD5305 | Enhanced Product 14-Bit 80-Msps Analog-To-Digital Converter 52-QFP -55 to 125 |
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