AD5320BRT-REEL

更新时间： 2024-11-23 12:27:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	410K
描述
2.7 V to 5.5 V, 140 Î¼A, Rail-to-Rail Output 12-Bit DAC in an SOT-23

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替代型号

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AD5320BRT-REEL 数据手册

2.7 V to 5.5 V, 140 μA, Rail-to-Rail Output

12-Bit DAC in an SOT-23

AD5320

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Single 12-bit DAC

GND

6-lead SOT-23 and 8-lead MSOP packages

Micropower operation: 140 μA @ 5 V

Power-down to 200 nA @ 5 V, 50 nA @ 3 V

2.7 V to 5.5 V power supply

AD5320

POWER-ON

RESET

REF (+) REF (–)

Guaranteed monotonic by design

Reference derived from power supply

Power-on reset to zero volts

OUTPUT

BUFFER

DAC

OUT

12-BIT

DAC

Three power-down functions

INPUT

CONTROL

LOGIC

POWER-DOWN

CONTROL LOGIC

NETWORK

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

SYNC

SCLK DIN

Figure 1.

GENERAL DESCRIPTION

The AD5320¹is a single, 12-bit buffered voltage out digital-to-

analog converter (DAC) that operates from a single 2.7 V to

5.5 V supply consuming 115 μA at 3 V. Its on-chip precision

output amplifier allows rail-to-rail output swing to be achieved.

The AD5320 utilizes a versatile 3-wire serial interface that

operates at clock rates up to 30 MHz and is compatible with

standard SPI®, QSPI™, MICROWIRE™ and digital signal

processing (DSP) interface standards.

The AD5320 is one of a family of pin-compatible DACs. The

AD5300 is the 8-bit version and the AD5310 is the 10-bit

version. The AD5300/AD5310/AD5320 are available in 6-lead

SOT-23 packages and 8-lead MSOP packages.

PRODUCT HIGHLIGHTS

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.

The reference for AD5320 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 zero volts 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.

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/μs.

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 only powers up during a write cycle.

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 μW in

power-down mode.

6. Power-down capability. When powered down, the DAC

typically consumes 50 nA at 3 V and 200 nA at 5 V.

¹Patent pending; protected by U.S. Patent No. 5684481.

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. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...20

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AD5320BRT-REEL 替代型号

型号	品牌	替代类型	描述	数据表
DAC121S101CIMK/NOPB	TI	类似代替	12 位微功耗、RRO 数模转换器 \| DDC \| 6 \| -40 to 105
DAC7512N/250	TI	类似代替	Low-Power, Rail-to-Rail Output, 12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER

与AD5320BRT-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD5320BRT-REEL7	ADI	获取价格	2.7 V to 5.5 V, 140 Î¼A, Rail-to-Rail Output
AD5320BRT-REEL7	ROCHESTER	获取价格	SERIAL INPUT LOADING, 12 us SETTLING TIME, 12-BIT DAC, PDSO8, MO-187AA, SOT-23, 6 PIN
AD5320BRTZ-500RL7	ADI	获取价格	2.7 V to 5.5 V, 140 µA, Rail-to-Rail Voltage Output 12-Bit DAC in SOT-23 and Micr
AD5320BRTZ-500RL7	ROCHESTER	获取价格	SERIAL INPUT LOADING, 12 us SETTLING TIME, 12-BIT DAC, PDSO8, LEAD FREE, MO-187AA, SOT-23,
AD5320BRTZ-500RL71	ADI	获取价格	2.7 V to 5.5 V, 140 Î¼A, Rail-to-Rail Output
AD5320BRTZ-REEL1	ADI	获取价格	2.7 V to 5.5 V, 140 Î¼A, Rail-to-Rail Output
AD5320BRTZ-REEL7	ROCHESTER	获取价格	SERIAL INPUT LOADING, 12 us SETTLING TIME, 12-BIT DAC, PDSO8, LEAD FREE, MO-187AA, SOT-23,
AD5320BRTZ-REEL71	ADI	获取价格	2.7 V to 5.5 V, 140 Î¼A, Rail-to-Rail Output
AD5321	ADI	获取价格	+2.5 V to +5.5 V, 120 uA, 2-Wire Interface, Voltage Output 8-/10-/12-Bit DACs
AD5321(RM-8)	ADI	获取价格	IC SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8, MICRO, SOIC-8, Digital to

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