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AD5300BRTZ-500RL7 Datasheet

  • AD5300BRTZ-500RL7

  • +2.7 V to +5.5 V, 140 uA, Rail-to-Rail Output 8-Bit DAC in a...

  • 12頁

  • AD

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a
2.7 V to 5.5 V, 140 A, Rail-to-Rail Output
8-Bit DAC in a SOT-23
AD5300
*
FUNCTIONAL BLOCK DIAGRAM
V
DD
POWER-ON
RESET
REF (+) REF (鈥?
FEATURES
Single 8-Bit DAC
6-Lead SOT-23 and 8-Lead MSOP Packages
Micropower Operation: 140 A @ 5 V
Power-Down to 200 nA @ 5 V, 50 nA @ 3 V
2.7 V to 5.5 V Power Supply
Guaranteed Monotonic by Design
Reference Derived from Power Supply
Power-On Reset to 0 V
3 Power-Down Functions
Low Power Serial Interface with
Schmitt-Triggered Inputs
On-Chip Output Buffer Amplifier,
Rail-to-Rail Operation
SYNC
Interrupt Facility
APPLICATIONS
Portable Battery-Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
GENERAL DESCRIPTION
GND
AD5300
OUTPUT
BUFFER
DAC
REGISTER
8-BIT
DAC
V
OUT
INPUT
CONTROL
LOGIC
POWER-DOWN
CONTROL LOGIC
RESISTOR
NETWORK
SYNC
SCLK DIN
PRODUCT HIGHLIGHTS
The AD5300 is a single, 8-bit buffered voltage output DAC that
operates from a single 2.7 V to 5.5 V supply, consuming 115
碌A(chǔ)
at 3 V. Its on-chip precision output amplifier allows rail-to-rail
output swing to be achieved. The AD5300 uses a versatile 3-wire
serial interface that operates at clock rates up to 30 MHz and is
compatible with standard SPI
廬
, QSPI鈩? MICROWIRE
鈩?/div>
, and
DSP interface standards.
The reference for AD5300 is derived from the power supply
inputs and thus gives the widest dynamic output range. The part
incorporates a power-on reset circuit that ensures that the DAC
output powers up to 0 V and remains there until a valid write takes
place to the device. The part contains a power-down feature that
reduces the current consumption of the device to 200 nA at 5 V
and provides software selectable output loads while in power-
down mode. The part is put into power-down mode over the
serial interface.
The low power consumption of this part in normal operation
makes it ideally suited to portable battery-operated equipment.
The power consumption is 0.7 mW at 5 V, reducing to 1
碌W
in
power-down mode.
The AD5300 is one of a family of pin compatible DACs. The
AD5310 is the 10-bit version and the AD5320 is the 12-bit
version. The AD5300/AD5310/AD5320 are available in 6-lead
SOT-23 packages and 8-lead MSOP packages.
*Patent
pending; protected by U.S. Patent No. 5684481.
1. Available in 6-lead SOT-23 and 8-lead MSOP packages.
2. Low power, single-supply operation. This part operates from
a single 2.7 V to 5.5 V supply and typically consumes 0.35 mW
at 3 V and 0.7 mW at 5 V, making it ideal for battery-
powered applications.
3. The on-chip output buffer amplifier allows the output of the
DAC to swing rail-to-rail with a slew rate of 1 V/碌s.
4. Reference derived from the power supply.
5. High speed serial interface with clock speeds up to 30 MHz.
Designed for very low power consumption. The interface
powers up only during a write cycle.
6. Power-down capability. When powered down, the DAC
typically consumes 50 nA at 3 V and 200 nA at 5 V.
REV. C
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
漏 2003 Analog Devices, Inc. All rights reserved.

AD5300BRTZ-500RL7 產(chǎn)品屬性

  • Data Converter FundamentalsDAC Architectures

  • 500

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 4µs

  • 8

  • DSP，MICROWIRE?，QSPI?，串行，SPI?

  • 1

  • 單電源

  • -

  • -40°C ~ 105°C

  • 表面貼裝

  • SOT-23-6

  • SOT-23-6

  • 帶卷 (TR)

  • 1 電壓，單極；1 電壓，雙極

  • 250k

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