AD5668BRUZ-1

更新时间： 2024-10-31 04:30:43

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器光电二极管
页数	文件大小	规格书
24页	306K
描述
Octal, 12-14-16 Bit Dac with 10ppm/∑C Max On-Chip Reference in 14-Lead TSSOP

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AD5668BRUZ-1 数据手册

Octal, 12-14-16 Bit Dac with 10ppm/°C Max

On-Chip Reference in 14-Lead TSSOP

Preliminary Technical Data

AD5628/AD5648/AD5668

Digital Gain and Offset Adjustment

FEATURES

Programmable Voltage and Current Sources

Low Power Smallest Pin compatible Octal DACs

AD5668: 16 Bits

Programmable Attenuators

REF

AD5648: 14 Bits

AD5628: 12 Bits

AD5628/AD5648/AD5668

1.25/2.5V

Ref

12-Bit Accuracy Guaranteed

14/16-Lead TSSOP Package

On-chip 1.25/2.5V, 10ppm/°C Reference

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

3V/5V Power Supply

Guaranteed Monotonic by Design

Power-On-Reset to Zero/Midscale

Three Power-Down Functions

Hardware /LDAC and /CLR functions

Rail-to-Rail Operation

NPUT

DAC

STRING

DAC A

BUFFER

LDAC

OUT

NPUT

STRING

DAC B

DAC

BUFFER

OUT

NPUT

DAC

STRING

DAC C

OUT

SCLK

SYNC

DIN

NPUT

STRING

DAC D

OUT

INTERFACE

LOGIC

NPUT

REGIS-

TER

STRING

DAC E

OUT

BUFFER

NPUT

STRING

DAC F

OUT

BUFFER

NPUT

STRING

DAC G

OUT

NPUT

STRING

DAC

Temperature Range -40°C to +125°C

POWER-DOWN

LOGIC

POWER-ON

RESET

APPLICATIONS

ProcessControl

GND

LDAC*

CLR*

*RU-16 PACKAGE ONLY

Data Acquisition Systems

Portable Battery Powered Instruments

Figure 1. Functional Block Diagram

The outputs of all DACs may be updated simultaneously using

the /LDAC function, with the added functionality of selecting

through software any number of DAC channels to synchronize.

There is also an asynchronous active low /CLR that clears all

DACs to a software selectable code - 0 V, midscale or fullscale .

GENERAL DESCRIPTION

The AD5628/48/68 family of devices are low power, octal, 12-

14-16-bit buffered voltage-out DACs. All devices operate from

a single +2.7V to +5.5V, and are guaranteed monotonic by

design.

The AD5628/48/68 utilizes a versatile three-wire serial

interface that operates at clock rates up to 50 MHz and is

compatible with standard SPI™, QSPI™, MICROWIRE™ and

DSP interface standards. Its on-chip precision output amplifier

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

The AD5628/48/68 have an on-chip reference with an internal

gain of two. The AD56x8-1 has a 1.25V 10ppm/°C max

reference and the AD56x8-2,-3 have a 2.5V 10ppm/°C max

reference. The on-board reference is off at power-up allowing

the use of an external reference. The internal reference is

turned on by writing to the DAC. The part incorporates a

power-on-reset circuit that ensures that the DAC output

powers up to zero volts (AD56x8-1,-2/) or midscale (AD5668-

3) and remains there until a valid write takes place. The part

contains a power-down feature that reduces the current

consumption of the device to 200nA at 5V and provides

software selectable output loads while in power-down mode for

any or all DACs channels.

PRODUCT HIGHLIGHTS

1. Octal 12/14/16-Bit DAC; 12-Bit Accuracy Guaranteed.

2. On-chip 1.25/2.5V, 10ppm/°C max Reference.

3. Available in 14/16-lead TSSOP package.

4. Power-On-Reset to Zero volts or Midscale.

5. Power-down capability. When powered down, the

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

Rev. PrA

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

registered trademarks are the property of their respective companies.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...24

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AD5668BRUZ-1 替代型号

型号	品牌	替代类型	描述	数据表
AD5668BRUZ-1REEL7	ADI	完全替代	Octal, 12-/14-/16-Bit SPI Voltage Output dens
DAC8568ICPW	TI	功能相似	12-/14-/16-Bit, Octal-Channel, Ultra-Low Glit
DAC8568IAPW	TI	功能相似	12-/14-/16-Bit, Octal-Channel, Ultra-Low Glit

与AD5668BRUZ-1相关器件

型号	品牌	获取价格	描述	数据表
AD5668BRUZ-1REEL7	ADI	获取价格	Octal, 12-/14-/16-Bit SPI Voltage Output dens
AD5668BRUZ-2	ADI	获取价格	Octal, 12-/14-/16-Bit SPI Voltage Output dens
AD5668BRUZ-2REEL7	ADI	获取价格	Octal, 12-/14-/16-Bit SPI Voltage Output dens
AD5668BRUZ-3	ADI	获取价格	Octal, 12-/14-/16-Bit SPI Voltage Output dens
AD5668BRUZ-3REEL7	ADI	获取价格	Octal, 12-/14-/16-Bit SPI Voltage Output dens
AD5668SRUZ-EP-1	ADI	获取价格	Octal, 16-Bit, SPI Voltage Output denseDAC With 5 ppm/°C On-Chip Reference
AD5669R	ADI	获取价格	Octal, 12-/16-Bit, I2C, denseDACs with 5 ppm/
AD5669RACPZ	ADI	获取价格	IC 16-BIT DAC, PQCC16, 4 X 4 MM, ROHS COMPLIANT, MO-220WGGC, LFCSP-16, Digital to Analog C
AD5669RACPZ-2-RL7	ADI	获取价格	暂无描述
AD5669RACPZ-3	ADI	获取价格	IC 16-BIT DAC, PQCC16, 4 X 4 MM, ROHS COMPLIANT, MO-220WGGC, LFCSP-16, Digital to Analog C

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