Datasheet > AD5444_15

AD5444_15

更新时间： 2024-11-22 01:18:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
29页	962K
描述
12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface

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AD5444_15 数据手册

12-/14-Bit High Bandwidth

Multiplying DACs with Serial Interface

Data Sheet

AD5444/AD5446

FEATURES

GENERAL DESCRIPTION

12 MHz multiplying bandwidth

INL of 0.5 LSB at 12 bits

Pin-compatible 12-/14-bit current output DAC

2.5 V to 5.5 V supply operation

10-lead MSOP package

10 V reference input

50 MHz serial interface

2.7 MSPS update rate

The AD5444/AD5446¹are CMOS 12-bit and 14-bit, current

output, digital-to-analog converters (DACs). Operating from a

single 2.5 V to 5.5 V power supply, these devices are suited for

battery-powered and other applications.

As a result of the CMOS submicron manufacturing process,

these parts offer excellent 4-quadrant multiplication char-

acteristics of up to 12 MHz.

These DACs use a double-buffered, 3-wire serial interface that

is compatible with SPI®, QSPI™, MICROWIRE™, and most DSP

interface standards. On power-up, the internal shift register and

latches are filled with 0s, and the DAC output is at zero scale.

Extended temperature range: −40°C to +125°C

4-quadrant multiplication

Power-on reset with brownout detection

0.4 µA typical current consumption

Guaranteed monotonic

The applied external reference input voltage (V_REF) determines

the full-scale output current. These parts can handle 10 V

inputs on the reference, despite operating from a single-supply

power supply of 2.5 V to 5.5 V. An integrated feedback resistor

(R_FB) provides temperature tracking and full-scale voltage output

when combined with an external current-to-voltage precision

amplifier. The AD5444/AD5446 DACs are available in small

10-lead MSOP packages, which are pin-compatible with the

AD5425/AD5426/AD5432/AD5443 family of DACs.

APPLICATIONS

Portable, battery-powered applications

Waveform generators

Analog processing

Instrumentation applications

Programmable amplifiers and attenuators

Digitally controlled calibration

Programmable filters and oscillators

Composite video

The EV-AD5443/46/53SDZ board is available for evaluating

DAC performance. For more information, see the UG-327

evaluation board user guide.

Ultrasound

Gain, offset, and voltage trimming

Automotive radar

¹US Patent Number 5,689,257.

FUNCTIONAL BLOCK DIAGRAM

REF

AD5444/

AD5446

OUT

12-BIT

R-2R DAC

OUT

DAC REGISTER

INPUT LATCH

POWER-ON

RESET

SYNC

SCLK

SDIN

CONTROL LOGIC AND

INPUT SHIFT REGISTER

SDO

GND

Figure 1.

Rev. E

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

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与AD5444_15相关器件

型号	品牌	获取价格	描述	数据表
AD5444YRM	ADI	获取价格	12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface
AD5444YRM-REEL	ADI	获取价格	12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface
AD5444YRM-REEL7	ADI	获取价格	12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface
AD5444YRM-U1	ADI	获取价格	12-Bit High Bandwidth Multiplying DAC with Serial Interface; Package: MSOP; No of Pins: 10
AD5444YRMZ	ADI	获取价格	12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface
AD5444YRMZ-REEL	ADI	获取价格	12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface
AD5444YRMZ-REEL7	ADI	获取价格	12-/14-Bit High Bandwidth Multiplying DACs with Serial Interface
AD5445	ADI	获取价格	8-/10-/12-Bit, High Bandwidth, Multiplying DACs with Parallel Interface
AD5445BCP	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.04 us SETTLING TIME, 12-BIT DAC, QCC20, 4 X 4 MM, CSP-2
AD5445BRU	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.04 us SETTLING TIME, 12-BIT DAC, PDSO20, TSSOP-20, Digi

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