参数资料
| 型号： | AD7152BRMZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 22/24页 |
| 文件大小： | 0K |
| 描述： | IC CDC 12BIT 2/4CH 10MSOP |
| 标准包装： | 3,000 |
| 类型： | 电容数字转换器 |
| 分辨率（位）： | 12 b |
| 数据接口： | 串行 |
| 电压电源： | 单电源 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
| 配用： | EVAL-AD7152EBZ-ND - BOARD EVAL AD7152 |
AD7152/AD7153
Rev. 0 | Page 7 of 24
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
GND 1
VDD 2
CIN1(–) 3
CIN1(+) 4
EXC2 5
SDA
10
SCL
9
CIN2(–)
8
CIN2(+)
7
EXC1
6
AD7152
TOP VIEW
(Not to Scale)
07
45
0-
0
04
Figure 4. AD7152 Pin Configuration
NC = NO CONNECT
GND 1
VDD 2
CIN1(–) 3
CIN1(+) 4
NC 5
SDA
10
SCL
9
NC
8
NC
7
EXC1
6
AD7153
TOP VIEW
(Not to Scale)
07
45
0-
00
5
Figure 5. AD7153 Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
GND
Ground Pin.
2
VDD
Power Supply Voltage. This pin should be decoupled to GND, using a low impedance capacitor, for example, in
combination with a 10 μF tantalum and a 0.1 μF multilayer ceramic capacitor.
3
CIN1(–)
CDC Negative Capacitive Input of Channel 1. If not used, this pin can be left as an open circuit or connected to
GND. This pin is internally disconnected in single-ended CDC configuration.
4
CIN1(+)
CDC Positive Capacitive Input of Channel 1. If not used, this pin can be left as an open circuit or connected to GND.
5
EXC2/NC
AD7152: CDC Excitation Output for Channel 2. The measured capacitance is connected between one of the EXC
pins and one of the CIN pins. If not used, these pins should be left as an open circuit.
AD7153: No Connect. This pin must be left as an open circuit.
6
EXC1
CDC Excitation Output for Channel 1. The measured capacitance is connected between one of the EXC pins and
one of the CIN pins. If not used, these pins should be left as an open circuit.
7
CIN2(+)/NC
AD7152: CDC Positive Capacitive Input of Channel 2. If not used, this pin can be left as an open circuit or
connected to GND.
AD7153: No Connect. This pin must be left as an open circuit.
8
CIN2(–)/NC
AD7152: CDC Negative Capacitive Input of Channel 2. If not used, this pin can be left as an open circuit or
connected to GND. This pin is internally disconnected in single-ended CDC configuration.
AD7153: No Connect. This pin must be left as an open circuit.
9
SCL
Serial Interface Clock Input. Connects to the master clock line. Requires a pull-up resistor if one is not already
provided in the system.
10
SDA
Serial Interface Bidirectional Data. Connects to the master data line. Requires a pull-up resistor if one is not
provided elsewhere in the system.
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