Datasheet > AD5337_15

AD5337_15

更新时间： 2024-11-10 01:12:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	593K
描述
2.5 V to 5.5 V, 250A, 2-Wire Interface, Dual Voltage Output, 8-/10-/12-Bit DACs

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AD5337_15 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

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

buffered voltage output DACs, respectively. Each part is housed

in an 8-lead MSOP package and operates 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.

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 μA @ 3 V, 300 μA @ 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 can be updated simultaneously

LDAC

using the software

function. The parts incorporate a

power-on reset circuit to ensure 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 equip-

ment. 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.

Data readback facility

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

POWER-DOWN

LOGIC

POWER-ON

RESET

AD5337/AD5338/AD5339

GND

Figure 1.

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 www.analog.com

12 3 4 5 6 7...28

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与AD5337_15相关器件

型号	品牌	获取价格	描述	数据表
AD5337ARM	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
AD5337ARM-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
AD5337ARMZ1	ADI	获取价格	2.5 V to 5.5 V, 250 muA, 2-Wire Interface
AD5337ARMZ-REEL71	ADI	获取价格	2.5 V to 5.5 V, 250 muA, 2-Wire Interface
AD5337BRM	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
AD5337BRM-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
AD5337BRM-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
AD5337BRMZ	ADI	获取价格	2.5 V to 5.5 V, 250 µA, 2-Wire Interface, Dual Voltage Output, 8-Bit DACs
AD5337BRMZ1	ADI	获取价格	2.5 V to 5.5 V, 250 muA, 2-Wire Interface
AD5337BRMZ-REEL	ADI	获取价格	2.5 V to 5.5 V, 250 muA, 2-Wire Interface

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