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| 型号： | AD5111BCPZ10-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/24页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 128POS 10K 8LFCSP |
| 标准包装： | 1 |
| 接片： | 128 |
| 电阻（欧姆）： | 10k |
| 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 线串行（芯片选择，增/减） |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFDFN 裸露焊盘，CSP |
| 供应商设备封装： | 8-LFCSP-UD（2x2） |
| 包装： | 标准包装 |
| 其它名称： | AD5111BCPZ10-RL7DKR |
Data Sheet
AD5111/AD5113/AD5115
Rev.
| Page 19 of 24
RDAC ARCHITECTURE
To achieve optimum performance, Analog Devices, Inc., has
patented the RDAC segmentation architecture for all the digital
employ a two-stage segmentation approach as shown in
designed with the transmission gate CMOS topology and with
the gate voltage derived from VDD.
RL
RS
W
RS
A
B
BS
5-BIT/6-BIT/7-BIT
ADDRESS
DECODER
TS
09
65
4-
0
43
Low Wiper Resistance Feature
feature to reduce the resistance between terminals. These extra
steps are called bottom scale and top scale. At bottom scale, the
typical wiper resistance decreases from 70 Ω to 45 Ω. At top
scale, the resistance between Terminal A and Terminal W is
decreased by 1 LSB and the total resistance is reduced to 70 Ω.
The extra steps are not equal to 1 LSB and are not included in
the INL, DNL, R-INL, and R-DNL specifications.
PROGRAMMING THE VARIABLE RESISTOR
Rheostat Operation—±8% Resistor Tolerance
only two terminals are used as a variable resistor. The unused
terminal can be floating or tied to the W terminal as shown in
A
W
B
A
W
B
A
W
B
09
65
4-
04
4
Figure 43. Rheostat Mode Configuration
The nominal resistance between Terminal A and Terminal B,
RAB, is available in 5 kΩ, 10 kΩ, and 80 kΩ and has 128/64/32
tap points accessed by the wiper terminal. The 5-/6-/7-bit data
in the RDAC latch is decoded to select one of the 128/64/32
possible wiper settings. The general equations for determining
the digitally programmed output resistance between the W
terminal and B terminal are
BS
WB
R
Bottom scale (1)
W
AB
WB
R
D
R
128
)
(
From 0 to 128 (2)
BS
WB
R
Bottom scale (3)
W
AB
WB
R
D
R
64
)
(
From 0 to 64 (4)
BS
WB
R
Bottom scale (5)
W
AB
WB
R
D
R
32
)
(
From 0 to 32 (6)
where:
D is the decimal equivalent of the binary code in the 5-/6-/7-bit
RDAC register; 128, 64, and 32 refer to the top scale step.
RAB is the end-to-end resistance.
RW is the wiper resistance.
RBS is the wiper resistance at bottom scale.
A
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相关代理商/技术参数 |
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|---|---|
| AD5111BCPZ80-500R7 | 功能描述:IC DGTL POT 128POS 80K 8LFCSP 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) |
| AD5111BCPZ80-RL7 | 功能描述:IC DGTL POT 128POS 80K 8LFCSP 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 |
| AD5112 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Channel, 128-/64-/32-Position, Up/Down, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer |
| AD5112BCPZ10-1-RL7 | 功能描述:IC DGTL POT 64POS 10K SGL 8LFCSP 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) |
| AD5112BCPZ10-500R7 | 功能描述:IC DGTL POT 64POS 10K 8LFCSP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,300 系列:WiperLock™ 接片:257 电阻（欧姆）:100k 电路数:1 温度系数:标准值 150 ppm/°C 存储器类型:易失 接口:3 线 SPI（芯片选择） 电源电压:1.8 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VDFN 裸露焊盘 供应商设备封装:8-DFN-EP（3x3） 包装:带卷 (TR) |
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