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| 型號(hào)： | AD5116BCPZ80-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DGTL POT 64POS 80K 8LFCSP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 接片： | 64 |
| 電阻（歐姆）： | 80k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | 2 線按鈕 |
| 電源電壓： | 2.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-UFDFN 裸露焊盤(pán)，CSP |
| 供應(yīng)商設(shè)備封裝： | 8-LFCSP-UD（2x2） |
| 包裝： | 帶卷 (TR) |
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Single-Channel, 64-Position, Push Button,
±8% Resistor Tolerance, Nonvolatile Digital Potentiometer
Data Sheet
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2011–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Nominal resistor tolerance error: ±8% maximum
Wiper current: ±6 mA
Rheostat mode temperature coefficient: 35 ppm/°C
Low power consumption: 2.5 A max @ 2.7 V and 125°C
Wide bandwidth: 4 MHz (5 kΩ option)
Power-on EEPROM refresh time < 50 μs
50-year typical data retention at 125°C
1 million write cycles
2.3 V to 5.5 V supply operation
Built-in adaptive debouncer
Wide operating temperature: 40°C to +125°C
Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package
APPLICATIONS
Mechanical potentiometer replacement
Portable electronics level adjustment
Audio volume control
Low resolution DAC
LCD panel brightness and contrast control
Programmable voltage to current conversion
Programmable filters, delays, time constants
Feedback resistor programmable power supply
Sensor calibration
FUNCTIONAL BLOCK DIAGRAM
ADAPTIVE
DEBOUNCER
CONTROL
LOGIC
BLOCK
EEPROM
RDAC
REGISTER
AD5116
A
W
B
DATA
GND
VDD
09657-
001
ASE
PU
PD
Figure 1.
Table 1. NVM ±8% Resistance Tolerance Family
Model
Resistance (kΩ)
Position
Interface
10, 80
128
I2C
10, 80
128
Up/down
5, 10, 80
64
I2C
5, 10, 80
64
Up/down
5, 10, 80
64
Push button
10, 80
32
I2C
10, 80
32
Up/down
GENERAL DESCRIPTION
The AD5116 provides a nonvolatile digital potentiometer
solution for 64-position adjustment applications, offering
guaranteed low resistor tolerance errors of ±8% and up to
±6 mA current density in the A, B, and W pins. The low resistor
tolerance, low nominal temperature coefficient, and high
bandwidth simplify open-loop applications, as well as tolerance
matching applications.
The new low A-W and B-W resistance feature minimizes
the wiper resistance in the extremes of the resistor array to
typically 45 Ω.
A simple push button interface allows manual control with
just two external push button switches. The AD5116 is designed
with a built-in adaptive debouncer that ignores invalid bounces
due to contact bounce (commonly found in mechanical
switches). The debouncer is adaptive, accommodating a
variety of push buttons.
The AD5116 can automatically save the last wiper position into
EEPROM, making it suitable for applications that require a
power-up in the last wiper position, for example, audio
equipment.
The AD5116 is available in a 2 mm × 2 mm 8-lead LFCSP
package. The part is guaranteed to operate over the extended
industrial temperature range of 40°C to +125°C.
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