Datasheet > 转换器 > 数字电位计> ADN2860ACPZ250-RL7

ADN2860ACPZ250-RL7

更新时间： 2024-01-10 01:25:53

品牌	Logo	应用领域
亚德诺 - ADI		转换器电位器数字电位计存储电阻器
页数	文件大小	规格书
20页	279K
描述
3-Channel Digital Potentiometer with Nonvolatile Memory

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技术参数
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ADN2860ACPZ250-RL7 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	4 X 4 MM, ROHS COMPLIANT, MO-220VGGD-2, LFCSP-24	针数：	24
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.81
Is Samacsys：	N	其他特性：	NONVOLATILE MEMORY; CAN ALSO SUPPORT DUAL SUPPLY OPERATION
标称带宽：	0.012 kHz	控制接口：	2-WIRE SERIAL
转换器类型：	DIGITAL POTENTIOMETER	JESD-30 代码：	S-XQCC-N24
JESD-609代码：	e3	长度：	4 mm
湿度敏感等级：	3	标称负供电电压：	-2.5 V
功能数量：	3	位置数：	512
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装等效代码：	LCC24,.16SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	电源：	+-2.5/3/5 V
认证状态：	Not Qualified	电阻定律：	LINEAR/LOGARITHMIC
最大电阻容差：	15%	最大电阻器端电压：	2.75 V
最小电阻器端电压：	2.25 V	座面最大高度：	1 mm
子类别：	Digital Potentiometers	标称供电电压：	2.5 V
表面贴装：	YES	标称温度系数：	35 ppm/ °C
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	40
标称总电阻：	250000 Ω	宽度：	4 mm
Base Number Matches：	1

ADN2860ACPZ250-RL7 数据手册

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3-Channel Digital Potentiometer with

Nonvolatile Memory

ADN2860

FEATURES

FUNCTIONAL BLOCK DIAGRAM

3 channels:

Dual 512-position

Single 128-position

256 BYTES

USER

EEPROM

RDAC0

32 BYTES

RDAC

EEPROM

DGND

25 kΩ or 250 kΩ full-scale resistance

Low temperature coefficient:

Potentiometer divider 15 ppm/°C

Rheostat mode 35 ppm/°C

Nonvolatile memory retains wiper settings

Permanent memory write protection

Linear increment/decrement

6 dB increment/decrement

I²C-compatible serial interface

2.7 V to 5.5 V single-supply operation

2.25 V to 2.75 V dual-supply operation

Power-on reset time

9 BITS

SCL

SDA

RDAC1

DATA

CONTROL

I C

SERIAL

INTERFACE

AD0

AD1

A0_EE

A1_EE

9 BITS

COMMAND

DECODE

LOGIC

RDAC2

POWER-ON

RESET

ADDRESS

DECODE

LOGIC

RESET

7 BITS

DECODE

LOGIC

Figure 1.

256 bytes general-purpose user EEPROM

11 bytes RDAC user EEPROM

GBIC and SFP compliant EEPROM

100-year typical data retention at T_A= 55°C

APPLICATIONS

Laser diode drivers

Optical amplifiers

TIA gain setting

TEC controller temperature setpoint

GENERAL DESCRIPTION

The ADN2860 provides dual 512-position and single

128-position, digitally controlled variable resistors¹(VR) in a

single 4 mm × 4 mm LFCSP package. This device performs the

same electronic adjustment function as a potentiometer,

trimmer, or variable resistor. Each VR offers a completely

programmable value of resistance between the A terminal and

the wiper, or the B terminal and the wiper. The fixed A-to-B

terminal resistance of 25 kΩ or 250 kΩ has a 1% channel-to-

channel matching tolerance and a nominal temperature

coefficient of 35 ppm/°C.

Additional features of the ADN2860 include preprogrammed

linear and logarithmic increment/decrement wiper changing.

The actual resistor tolerances are stored in EEPROM so that the

actual end-to-end resistance is known, which is valuable for

calibration in precision applications.

The ADN2860 EEPROM, channel resolution, and package size

conform to GBIC and SFP specifications. The ADN2860 is

available in a 4 mm × 4 mm, 24-lead LFCSP package. All parts

are guaranteed to operate over the extended industrial tempera-

ture range −40°C to +85°C.

Wiper position programming, EEPROM²reading, and EEPROM

writing are conducted via the standard 2-wire I²C interface. Pre-

vious default wiper position settings can be stored in memory,

and refreshed upon system power-up.

¹The terms programmable resistor, variable resistor, RDAC, and digital

potentiometer are used interchangeably.

²The terms nonvolatile memory, EEMEM, and EEPROM are used

interchangeably.

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

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