ADN8810

更新时间： 2024-11-23 22:29:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	232K
描述
12-Bit High Output Current Source

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中文翻译

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ADN8810 数据手册

12-Bit High Output Current Source

ADN8810

FEATURES

High precision 12-bit current source

FUNCTIONAL BLOCK DIAGRAM

3.3V

Low noise

Long term stability

ENCOMP DVDD AVDD

RESET

PVDD

Current output from 0 mA to 300 mA

Output fault indication

Low drift

Programmable maximum current

24-lead 4 mm × 4 mm leadframe chip scale package

3-wire serial interface

RESET

4.096V

VREF

1.6V

IOUT

ADN8810

SERIAL

INTERFACE

SCLK

SDI

1.6V

ADDRESS

ADDR0-2

FAULT

AVSS

DGND

DVSS

APPLICATIONS

FAULT

Tunable laser current source

Programmable high output current source

Automatic test equipment

INDICATION

Figure 1.

GENERAL DESCRIPTION

The ADN8810 is a 12-bit current source with an adjustable

full-scale output current of up to 300 mA. The full-scale out-

put current is set with two external sense resistors. The output

compliance voltage is 2.5 V, even at output currents up to

300 mA.

The device is particularly suited for tunable laser control and

can drive tunable laser front mirror, back mirror, phase, gain,

and amplification sections. A host CPU or microcontroller

controls the operation of the ADN8810 over a 3-wire SPI®

interface. The 3-bit address allows up to eight devices to be

independently controlled while attached to the same SPI bus.

The ADN8810 is guaranteed with ꢀ ꢁSB INꢁ and 0.ꢂ5 ꢁSB

DNꢁ. Noise and digital feedthrough are kept low to ensure low

jitter operation for laser diode applications. Full-scale and

scaled output currents are given in Equations 1 and 2,

respectively.

V_REF

10× R_SN

I_FS

≈

(1)

(2)

+ 0.1^⎟^⎞_⎟

⎛

V_REF

_⎜R_SN

I_OUT= Code ×

ꢀ096 R_SN_⎝^⎜15k

⎠

Rev. 0

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...16

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ADN8810ACP	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, QCC24, 4 X 4 MM, MO-220VGGD-2, LFCSP-24
ADN8810ACP	ADI	获取价格	12-Bit High Output Current Source
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ADN8810ACPZ-REEL7	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, QCC24, 4 X 4 MM, ROHS COMPLIANT, MO-220VGGD-2, LFCSP-24
ADN8810-EVAL	ADI	获取价格	12-Bit High Output Current Source
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