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参数资料
| 型号： | ADG1439BCPZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLEXER 8:1 20LFCSP |
| 标准包装： | 1 |
| 系列： | iCMOS® |
| 功能： | 多路复用器 |
| 电路： | 2 x 4:1 |
| 导通状态电阻： | 21.5 欧姆 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 5 V ~ 16.5 V，±2.25 V ~ 8.25 V |
| 电流 - 电源： | 1nA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 20-LFCSP-VQ |
| 包装： | 标准包装 |
| 其它名称： | ADG1439BCPZ-REEL7DKR |
ADG1438/ADG1439
Rev. A | Page 11 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
NC = NO CONNECT
1
2
3
4
5
6
7
8
9
10
VDD
DIN
GND
S2
S1
NC
SCLK
D
S4
S3
20
19
18
17
16
15
14
13
12
11
VL
SDO
RESET
S6
S5
VSS
NC
S8
S7
SYNC
ADG1438
TOP VIEW
(Not to Scale)
08
496
-00
5
Figure 5. ADG1438 Pin Configuration (TSSOP)
PIN 1
INDICATOR
NOTES
1. NC = NO CONNECT.
2. EXPOSED PAD TIED TO SUBSTRATE, VSS.
1
DIN
2
GND
3
S1
4
S2
5
S3
13 S5
14 VSS
15 RESET
12 S6
11 S7
6
S
4
7
N
C
8
D
1
0
S
8
9
N
C
1
8
S
Y
N
C
1
9
S
C
L
K
2
0
V
D
1
7
V
L
1
6
S
D
O
TOP VIEW
(Not to Scale)
ADG1438
08
49
6-
10
6
Figure 6. ADG1438 Pin Configuration (LFCSP)
Table 10. ADG1438 Pin Function Descriptions
Pin No.
TSSOP
LFCSP
Mnemonic
Description
1
19
SCLK
Serial Clock Input. Data is clocked into the input shift register on the falling edge of the serial
clock input. Data can be transferred at rates of up to 50 MHz.
2
20
VDD
Most Positive Power Supply Potential.
3
1
DIN
Serial Data Input. This device has an 8-bit shift register. Data is clocked into the register on the
falling edge of the serial clock input.
4
2
GND
Ground (0 V) Reference.
5
7
NC
No Connect.
6
3
S1
Source Terminal 1. Can be an input or an output.
7
4
S2
Source Terminal 2. Can be an input or an output.
8
5
S3
Source Terminal 3. Can be an input or an output.
9
6
S4
Source Terminal 4. Can be an input or an output.
10
8
D
Drain Terminal. Can be an input or an output.
11
9
NC
No Connect.
12
10
S8
Source Terminal 8. Can be an input or an output.
13
11
S7
Source Terminal 7. Can be an input or an output.
14
12
S6
Source Terminal 6. Can be an input or an output.
15
13
S5
Source Terminal 5. Can be an input or an output.
16
14
VSS
Most Negative Power Supply Potential. In single-supply applications, it can be connected
to ground.
17
15
RESET
Active Low Logic Input. When this pin is low, all switches are open, and the appropriate registers
are cleared to 0.
18
16
SDO
Serial Data Output. Can be used for daisy-chaining a number of these devices together or for
reading back the data in the shift register for diagnostic purposes. The serial data is transferred on
the rising edge of SCLK and is valid on the falling edge of the clock. This is an open-drain output
that should be pulled to the VL supply with an external 1 kΩ resistor.
19
17
VL
Logic Power Supply Input. Operates from 2.7 V to 5.5 V.
20
18
SYNC
Active Low Control Input. This is the frame synchronization signal for the input data. When SYNC
goes low, it powers on the SCLK and DIN buffers and enables the input shift register. Data is
transferred in on the falling edges of the following clocks. Taking SYNC high updates the switch
condition.
EPAD
The exposed pad is tied to the substrate, VSS.
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