AD5338

更新时间： 2024-11-22 22:53:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	928K
描述
2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs

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AD5338 数据手册

2.5 V to 5.5 V, 250 µA, 2-Wire Interface

Dual-Voltage Output, 8-/10-/12-Bit DACs

AD5337/AD5338/AD5339

GENERAL DESCRIPTION

FEATURES

AD5337/AD5338/AD5339 are dual 8-, 10-, and 12-bit buffered

voltage output DACs in an 8-lead MSOP package, which

operate from a single 2.5 V to 5.5 V supply, consuming 250 µA

at 3 V. On-chip output amplifiers allow rail-to-rail output swing

with a slew rate of 0.7 V/µs. A 2-wire serial interface operates at

clock rates up to 400 kHz. This interface is SMBus-compatible

at V_DD< 3.6 V. Multiple devices can be placed on the same bus.

AD5337

2 buffered 8-bit DACs in 8-lead MSOP

AD5338, AD5338-1

2 buffered 10-bit DACs in 8-lead MSOP

AD5339

2 buffered 12-bit DACs in 8-lead MSOP

Low power operation: 250 mA @ 3 V, 300 mA @ 5 V

2-wire (I²C®compatible) serial interface

2.5 V to 5.5 V power supply

Guaranteed monotonic by design over all codes

Power-down to 80 nA @ 3 V, 200 nA @ 5 V

3 power-down modes

Double-buffered input logic

Output range: 0 V to V_REF

Power-on reset to 0 V

Simultaneous update of outputs (LDAC function)

Software clear facility

The references for the two DACs are derived from one reference

pin. The outputs of all DACs may be updated simultaneously

using the software

function. The parts incorporate a

LDAC

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

up to 0 V and remain there until a valid write to the device

takes place. A software clear function resets all input and DAC

registers to 0 V. A power-down feature reduces the current

consumption of the devices to 200 nA @ 5 V (80 nA @ 3 V).

The low power consumption of these parts in normal operation

makes them ideally suited to portable battery-operated

Data readback facility

equipment. The power consumption is typically 1.5 mW at 5 V

and 0.75 mW at 3 V, reducing to 1 µW in power-down mode.

On-chip rail-to-rail output buffer amplifiers

Temperature range −40°C to +105°C

APPLICATIONS

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Programmable attenuators

Industrial process control

FUNCTIONAL BLOCK DIAGRAM

REFIN

LDAC

INPUT

DAC

STRING

DAC A

SCL

SDA

BUFFER

OUT

INTERFACE

LOGIC

INPUT

DAC

STRING

DAC B

OUT

POWER-DOWN

LOGIC

POWER-ON

RESET

AD5337/AD5338/AD5339

GND

Figure 1.

Rev. A

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 owners.

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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与AD5338相关器件

型号	品牌	获取价格	描述	数据表
AD5338_15	ADI	获取价格	2.5 V to 5.5 V, 250A, 2-Wire Interface, Dual Voltage Output, 8-/10-/12-Bit DACs
AD5338ARM	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs
AD5338ARM-REEL7	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs
AD5338ARMZ	ADI	获取价格	2.5 V to 5.5 V, 250 muA, 2-Wire Interface
AD5338ARMZ-1	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs
AD5338ARMZ-1REEL7	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs
AD5338ARMZ-REEL7	ADI	获取价格	2.5 V to 5.5 V, 250 muA, 2-Wire Interface
AD5338BRM	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs
AD5338BRM-REEL	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs
AD5338BRM-REEL7	ADI	获取价格	2.5 V to 5.5 V, 250 UA, 2-Wire Interface Dual-Voltage Output, 8-/10-/12-Bit DACs

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