參數(shù)資料
型號(hào): MAX349EWN+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 5/20頁(yè)
文件大小: 0K
描述: IC MULTIPLEXER 8X1 18SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1,000
功能: 多路復(fù)用器
電路: 1 x 8:1
導(dǎo)通狀態(tài)電阻: 100 歐姆
電壓電源: 單/雙電源
電壓 - 電源,單路/雙路(±): 2.7 V ~ 16 V,±2.7 V ~ 8 V
電流 - 電源: 1µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC W
包裝: 帶卷 (TR)
MAX349/MAX350
Serially Controlled, Low-Voltage,
8-Channel/Dual 4-Channel Multiplexers
______________________________________________________________________________________
13
Pin Description
Note: NO and COM pins are identical and interchangeable. Either may be considered as an input or an output; signals pass equally
well in either direction.
SCLK
DIN
DOUT
COM-OUT
CS
tDO
tDH
tDS
tCSS
tCH
tCL
tCSH2
tON,
tOFF
Figure 1. Timing Diagram
1
Serial Clock Digital Input
2
Positive Analog Supply Voltage Input
3
Serial Data Digital Input
5
Common Analog Switch (mux output)
6–13
Normally Open Analog Switch Inputs 0–7
Common Analog Switch “A” (mux output)
Normally Open Analog Switch “A” Inputs 0–3
Normally Open Analog Switch “B” Inputs 0–3
Common Analog Switch “B” (mux output)
4
Ground. Connect to digital ground. (Analog signals have
no ground reference; they are limited to V+ and V-.)
1
SCLK
2
V+
3
DIN
5
COM
6–9, 11–14
NO0–NO7
COMA
NO0A–NO3A
NO3B–NO0B
COMB
4
GND
15
Negative Analog Supply Voltage Input. Connect to GND
for single-supply operation.
16
Serial Data Digital Output. Output high is V+.
17
RESET Input. Connect to logic high (or V+) for normal operation.
Drive low to set all switches off and set internal shift registers to 0.
18
Chip-Select Digital Input (Figure 1)
17
V-
18
DOUT
19
RESET
20
CS
14
No Connect, not internally connected.
10, 15, 16
N.C.
MAX349
SSOP
DIP/SO
NAME
FUNCTION
1
2
3
5
6–9
10–13
14
4
1
2
3
5
6–9
11–14
15
4
15
16
17
18
17
18
19
20
10, 16
MAX350
SSOP
DIP/SO
PIN
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