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| 型号： | AD5233BRUZ10-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT QUAD 64POS 24-TSSOP |
| 标准包装： | 1,000 |
| 接片： | 64 |
| 电阻（欧姆）： | 10k |
| 电路数： | 4 |
| 温度系数： | 标准值 600 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线 SPI（芯片选择） |
| 电源电压： | 2.7 V ~ 5.5 V，±2.25 V ~ 2.75 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
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Nonvolatile Memory, Quad
64-Position Digital Potentiometer
AD5233
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
www.analog.com
Fax: 781.461.3113
2002–2008 Analog Devices, Inc. All rights reserved.
FEATURES
Nonvolatile memory stores wiper setting
4-channel independent programmable
64-position resolution
Power-on refreshed with EEMEM settings
EEMEM restore time: 140 μs typical
Full monotonic operation
10 kΩ, 50 kΩ, and 100 kΩ terminal resistance
Permanent memory write protection
Wiper setting readback
Predefined linear increment/decrement instructions
Predefined ±6 dB/step log taper increment/decrement
instructions
SPI-compatible serial interface with readback function
2.7 V to 5.5 V single supply or ±2.5 V dual supply
11 bytes extra nonvolatile memory for user-defined data
100-year typical data retention, TA = 55°C
APPLICATIONS
Mechanical potentiometer replacement
Instrumentation: gain, offset adjustment
Programmable voltage-to-current conversion
Programmable filters, delays, time constants
Programmable power supply
Sensor calibration
FUNCTIONAL BLOCK DIAGRAM
O1
ADDR
DECODE
AD5233
SDI SERIAL
INTERFACE
CS
CLK
SDI
SDO
PR
WP
RDY
EEMEM
CONTROL
RDAC1
REGISTER
VDD
11 BYTES
USER EEMEM
DIGITAL 5
REGISTER
DIGITAL
OUTPUT
BUFFER
O2
EEMEM5
RDAC1
W1
B1
A1
VSS
RDAC2
REGISTER
EEMEM2
EEMEM1
RDAC3
REGISTER
EEMEM3
RDAC4
REGISTER
EEMEM4
RDAC2
W2
B2
A2
RDAC3
W3
B3
A3
RDAC4
W4
B4
A4
2
GND
02
79
4-
0
01
Figure 1.
GENERAL DESCRIPTION
The AD5233 is a quad-channel nonvolatile memory,1 digitally
controlled potentiometer2 with a 64-step resolution. The device
performs the same electronic adjustment function as a mechanical
potentiometer with enhanced resolution, solid-state reliability,
and remote controllability. The AD5233 has versatile program-
ming using a serial peripheral interface (SPI) for 16 modes of
operation and adjustment, including scratchpad programming,
memory storing and restoring, increment/decrement, ±6 dB/step
log taper adjustment, wiper setting readback, and extra EEMEM
for user-defined information such as memory data for other
components, look-up tables, or system identification
information.
1 The terms nonvolatile memory and EEMEM are used interchangeably.
2 The terms digital potentiometer and RDAC are used interchangeably.
In the scratchpad programming mode, a specific setting can
be programmed directly to the RDAC register, which sets the
resistance between Terminal W to Terminal A and Terminal W
to Terminal B. This setting can be stored into the EEMEM and
is transferred automatically to the RDAC register during system
power-on.
The EEMEM content can be restored dynamically or through
external PR strobing. A WP function protects EEMEM contents.
To simplify the programming, independent or simultaneous
increment or decrement commands can be used to move the
RDAC wiper up or down, one step at a time. For logarithmic
±6 dB step changes in wiper settings, the left or right bit shift
command can be used to double or halve the RDAC wiper
setting.
The AD5233 is available in a thin 24-lead TSSOP package. The
part is guaranteed to operate over the extended industrial
temperature range of 40°C to +85°C.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5233BRUZ50 | 功能描述:IC POT QUAD 50K 64POS 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 35 ppm/°C 存储器类型:非易失 接口:3 线串口 电源电压:2.7 V ~ 5.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN-EP（3x3） 包装:剪切带 (CT) 产品目录页面:1399 (CN2011-ZH PDF) 其它名称:MAX5423ETA+TCT |
| AD5233BRUZ50-R7 | 功能描述:IC DGTL POT QUAD 64POS 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
| AD5235 | 制造商:AD 制造商全称:Analog Devices 功能描述:8-Bit Dual Nonvolatile Memory Digital Potentiometer |
| AD5235BRU25 | 制造商:Analog Devices 功能描述:Digital Potentiometer 1024POS 25KOhm Dual 16-Pin TSSOP 制造商:Analog Devices 功能描述:IC DIGITAL POT 25KOHM 1024 DUAL 16-TSSO |
| AD5235BRU250 | 制造商:Analog Devices 功能描述:Digital Potentiometer 1024POS 250KOhm Dual 16-Pin TSSOP 制造商:Analog Devices 功能描述:IC DUAL DIGITAL POT. 10-BIT |
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