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參數(shù)資料
| 型號(hào)： | MAX4678EUE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH QUAD SPST 16TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 功能： | 開(kāi)關(guān) |
| 電路： | 4 x SPST - NO |
| 導(dǎo)通狀態(tài)電阻： | 1.6 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 11 V，±2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1421 (CN2011-ZH PDF) |
MAX4677/MAX4678/MAX4679
2
, Quad, SPST, CMOS Analog Switches
8
_______________________________________________________________________________________
___________Applications Information
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings because stresses beyond the listed ratings
can cause permanent damage to the devices. Always
sequence V+ on first, then V-, then VL followed by the
logic inputs, NO_, NC_, or COM. If proper power-supply
sequencing is not possible, add two small signal diodes
(D1, D2) in series with the supply pins, and a Schottky
diode between V+ and VL for overvoltage protection
(Figure 1). Adding diodes reduces the analog signal
range to one diode drop below V+ and one diode drop
above V-, but does not affect the devices’ low switch
resistance and low leakage characteristics. Device oper-
ation is unchanged, and the difference between V+ and
V- should not exceed 11V.
Power-supply bypassing improves noise margin and
prevents switching noise from propagating from the V+
supply to other components. A 0.1F capacitor connect-
ed from V+ to GND is adequate for most applications.
Figure 1. Overvoltage Protection Using External Blocking Diodes
COM_
V2
V-
V+
NO_
VL
D1
D2
*
*INTERNAL PROTECTION DIODES
MAX4677
MAX4678
MAX4679
tr < 20ns
tf < 20ns
50%
0
LOGIC
INPUT
V-
RL
300
NO_
OR NC_
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
VOUT = VCOM
(
RL
)
RL + RON
SWITCH
INPUT
IN_
+3V
tOFF
0
COM_
SWITCH
OUTPUT
0.9 x V0UT
0.9 x VOUT
tON
VOUT
SWITCH
OUTPUT
LOGIC
INPUT
CL
35pF
V+
VL
VOUT
VCOM
0V
MAX4677
MAX4678
MAX4679
Figure 2. Switching Time
50%
0.9 x V0UT1
+3V
0
LOGIC
INPUT
SWITCH
OUTPUT 2
(VOUT2)
0
0.9 x VOUT2
tD
LOGIC
INPUT
V-
RL2
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
COM2
IN1
COM1
VOUT2
V+
CL2
VCOM1 = +3V
RL1
VOUT1
CL1
RL = 300
CL = 35pF
NO1
NC2
SWITCH
OUTPUT 1
(VOUT1)
MAX4679
VCOM2 = +3V
V+
VL
IN2
Figure 3. Break-Before-Make Interval (MAX4679 Only)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4678EUE+ | 功能描述:模擬開(kāi)關(guān) IC 2Ohm Quad SPST CMOS Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4678EUE+T | 功能描述:模擬開(kāi)關(guān) IC 2Ohm Quad SPST CMOS Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4678EUE-T | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4679EPE | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4679EPE+ | 功能描述:模擬開(kāi)關(guān) IC 2Ohm Quad SPST CMOS Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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