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參數(shù)資料
| 型號： | EVAL-AD7156EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 26/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7156 |
| 標準包裝： | 1 |
| 傳感器類型： | 觸摸，電容式 |
| 接口： | I²C |
| 電源電壓： | 1.8 V ~ 3.6 V |
| 嵌入式： | 否 |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | AD7156 |
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AD7156
Rev. 0 | Page 7 of 28
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
GND 1
VDD 2
CIN2 3
CIN1 4
EXC2 5
SDA
10
SCL
9
OUT2
8
OUT1
7
EXC1
6
AD7156
TOP VIEW
(Not to Scale)
07
72
6-
0
03
NOTES
1. THE EXPOSED PAD MUST BE CONNECTED TO
GND OR IT MUST BE ISOLATED (FLOATING).
Figure 3. 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, such as a
0.1 μF X7R multilayer ceramic capacitor.
3
CIN2
CDC Capacitive Input Channel 2. The measured capacitance (sensor) is connected between the EXC2 pin and
the CIN2 pin. If not used, this pin can be left open circuit or be connected to GND. When a conversion is
performed on Channel 2, the CIN2 pin is internally connected to a high impedance input of the Σ-Δ
modulator. When a conversion is performed on the other channel or in idle mode
or power-down mode,
the CIN2 pin is internally disconnected and left floating by the part.
4
CIN1
CDC Capacitive Input Channel 1. The measured capacitance (sensor) is connected between the EXC1 pin and
the CIN1 pin. If not used, this pin can be left open circuit or be connected to GND. When a conversion is
performed on Channel 1, the CIN1 pin is internally connected to a high impedance input of the Σ-Δ
modulator. When a conversion is performed on the other channel or in idle mode
or power-down mode,
the CIN1 pin is internally disconnected and left floating by the part.
5
EXC2
CDC Excitation Output Channel 2. The measured capacitance is connected between the EXC2 pin and the
CIN2 pin. If not used, this pin should be left as an open circuit. When a conversion is performed on Channel 2,
the EXC2 pin is internally connected to the output of the excitation signal driver. When a conversion is per-
formed on the other channel or in idle mode or power-
down mode, the EXC2 pin is internally connected
to GND.
6
EXC1
CDC Excitation Output Channel 1. The measured capacitance is connected between the EXC1 pin and the
CIN1 pin. If not used, this pin should be left as an open circuit. When a conversion is performed on Channel 1,
the EXC1 pin is internally connected to the output of the excitation signal driver. When a conversion is per-
formed on the other channel or in idle mode or power-
down mode, the EXC1 pin is internally connected
to GND.
7
OUT1
Logic Output Channel 1. A high level on this output indicates proximity detected on CIN1.
8
OUT2
Logic Output Channel 2. A high level on this output indicates proximity detected on CIN2.
9
SCL
Serial Interface Clock Input. This pin connects to the master clock line and requires a pull-up resistor if not
provided elsewhere in the system.
10
SDA
Serial Interface Bidirectional Data. This pin connects to the master data line and requires a pull-up resistor if
not provided elsewhere in the system.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7156EBZ | 制造商:Analog Devices 功能描述:EVAL BOARD, AD7156 2CH CAPACITANCE CONVE |
| EVAL-AD7170EBZ | 功能描述:BOARD EVAL FOR AD7170 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉換器 (ADC) 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
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| EVAL-AD7173-8SDZ | 制造商:Analog Devices 功能描述:EVAL BOARD MULTI CHANNEL - Boxed Product (Development Kits) |
| EVAL-AD7175-8SDZ | 功能描述:AD7175-8 - 24 Bit 250k Samples per Second Analog to Digital Converter (ADC) Evaluation Board 制造商:analog devices inc. 系列:- 零件狀態(tài):有效 A/D 轉換器數(shù):1 位數(shù):24 采樣率（每秒）:250k 數(shù)據(jù)接口:并聯(lián) 輸入范圍:±VREF 不同條件下的功率（典型值）:105mW @ 250kSPS 使用的 IC/零件:AD7175-8 所含物品:板，電源 標準包裝:1 |
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