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參數(shù)資料
| 型號： | MAX4634ETB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/10頁 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLEXER 4X1 10TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 多路復(fù)用器 |
| 電路： | 1 x 4:1 |
| 導(dǎo)通狀態(tài)電阻： | 4 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V |
| 電流 - 電源： | 1nA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 10-TDFN-EP（3x3） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1421 (CN2011-ZH PDF) |
| 其它名稱： | MAX4634ETB+TDKR |
MAX4634
Fast, Low-Voltage, 4Ω,
4-Channel CMOS Analog Multiplexer
_______________________________________________________________________________________
7
Detailed Description
The MAX4634 is a low-on-resistance, low-voltage ana-
log multiplexer that operates from a +1.8V to +5.5V sin-
gle supply. CMOS switch construction allows pro-
cessing of analog signals that are within the supply volt-
age range (GND to V+).
To disable all switch channels, drive EN low. All four inputs
and COM become high impedance during this state. If the
disable feature is not needed, connect EN to V+.
Applications Information
Power-Supply Sequencing and
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply V+ before applying
analog signals or logic inputs, especially if the analog or
logic signals are not current limited. If this sequencing is
not possible, and if the analog or logic inputs are not
current limited to < 20mA, add a small-signal diode
(D1) as shown in Figure 1. If the analog signal can dip
below GND, add D2. Adding protection diodes reduces
the analog signal range to a diode drop (about 0.7V)
below V+ for D1 or to a diode drop above ground for D2.
The addition of diodes does not affect leakage. On-resis-
tance increases by a small amount at low supply voltages.
Maximum supply voltage (V+) must not exceed 6V.
Protection diodes D1 and D2 also protect against some
overvoltage situations. A fault voltage up to the
absolute maximum rating at an analog signal input
does not damage the device, even if the supply voltage
is below the signal voltage.
COM
V+
NO
*INTERNAL PROTECTION DIODES
D1
GND
+5V
MAX4634
*
D2
Figure 1. Overvoltage Protection Using External Blocking Diodes
Pin Description
PIN
MAX/
TDFN
NAME
FUNCTION
1A0
Address Input. See the Truth Table
for details.
2
NO1
Normally Open Switch 1
3
GND
Ground
4
NO3
Normally Open Switch 3
5EN
Enable Logic Input. See the Truth
Table for details.
6V+
Positive Supply Voltage. Connect
to an external power supply.
Bypass to GND with a 10F
capacitor placed as close to the
pin as possible.
7
NO4
Normally Open Switch 4
8
COM
Analog Switch Common Terminal
9
NO2
Normally Open Switch 2
10
A1
Address Input. See the Truth Table
for details.
—EP
Exposed Pad. Internally connected
to GND. Connect to a large PCB
ground plane for proper operation.
Not intended as an electrical
connection point (TDFN package
only).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4634ETB-TG104 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4634EUB | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4634EUB+ | 功能描述:多路器開關(guān) IC 4Ohm 4Ch CMOS Analog MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4634EUB+ | 制造商:Maxim Integrated Products 功能描述:IC ((NW)) |
| MAX4634EUB+T | 功能描述:多路器開關(guān) IC 4Ohm 4Ch CMOS Analog MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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