Datasheet > AS1506_1

AS1506_1

更新时间： 2024-11-23 06:37:43

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艾迈斯 - AMSCO		电位器可编程只读存储器电动程控只读存储器电可擦编程只读存储器
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描述
256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM

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AS1506_1 数据手册

Datasheet

AS1506

256-Tap Digital Potentiometer with SPI Interface and

High Endurance EEPROM

1 General Description

2 Key Features

ꢀ

High Endurance: EEPROM up to 10M cycles

The AS1506 is a linear, 256-tap digital potentiometer

specifically designed to replace discrete/mechanical

potentiometers and is ideal for applications requiring a

low-temperature-coefficient variable resistor, such as

low-drift, programmable gain, and amplifier circuit con-

figurations.

ꢀ

High Reliability: EEPROM up to 150 years data

retention @ 85°C

ꢀ

Wiper Position Retained in EEPROM and loaded at

Power-Up

The device is controlled via a 3-wire SPI-compatible

interface and features an internal EEPROM for storing

wiper positions.

ꢀ

256 Tap Positions

±0.5LSB DNL in Voltage Divider Mode

±0.5LSB INL in Voltage Divider Mode

End-to-End Resistance: 10/50/100kΩ

Several device variants are available differentiated by

end-to-end resistance as shown in Table 1 (see also

Ordering Information on page 16).

Low End-to-End Resistance Temperature

Coefficient: 90ppm/ºC

Table 1. Standard Products

Model

End-to-End Resistance (kΩ)

ꢀ

Low-Power Standby Mode: 100nA

5MHz SPI-Compatible Serial Interface

Single-Supply Operation: +2.7V to +5.5V

8-pin TDFN 3x3mm Package

AS1506-10

AS1506-50

AS1506-100

100

The 3-wire SPI-compatible serial interface allows com-

munication at data rates up to 5MHz.The internal

EEPROM stores the last wiper position for initialization

during power-up and a low-power standby mode.

The devices are available in an 8-pin TDFN 3x3mm

package.

3 Applications

The device is ideal for mechanical potentiometer

replacement, low-drift programmable gain amplifiers,

audio volume control, LCD contrast control, and low-drift

programmable filters.

Figure 1. AS1506 - Block Diagram

VDD

8-Bit

Shift Register

8-Bit

Latch

HIGH

256

256-Position

Decoder

WIPER

Power-

Reset

SCLK

8-Bit

EEPROM

SPI

Interface

LOW

SDIO

AS1506

CSN

GND

www.austriamicrosystems.com

Revision 1.02

1 - 17

12 3 4 5 6 7...17

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与AS1506_1相关器件

型号	品牌	获取价格	描述	数据表
AS1506-10	AMSCO	获取价格	256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1506-100	AMSCO	获取价格	256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1506-50	AMSCO	获取价格	256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1506-BTDT-10	AMSCO	获取价格	256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1506-BTDT-100	AMSCO	获取价格	256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1506-BTDT-50	AMSCO	获取价格	256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1507	AMSCO	获取价格	Dual 256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS150-7.5	ASTRODYNE	获取价格	150W Single Output Switching Power Supply
AS1507-10	AMSCO	获取价格	Dual 256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM
AS1507-100	AMSCO	获取价格	Dual 256-Tap Digital Potentiometer with SPI Interface and High Endurance EEPROM

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