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參數(shù)資料
| 型號： | MAX4854HETE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH DUAL SPDT 16TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 功能： | 開關(guān) |
| 電路： | 2 x SPDT |
| 導(dǎo)通狀態(tài)電阻： | 9 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
MAX4854H/MAX4854HL
Quad SPST, High-Bandwidth, Signal Line
Protection Switch
_______________________________________________________________________________________
5
Detailed Description
The MAX4854H/MAX4854HL quad SPST switches have
low on-resistance, operate from a +2V to +5.5V supply,
and are fully specified for nominal 3.0V applications.
These devices feature overvoltage protection by
putting the switch into high-impedance mode when the
switch input exceeds VCC.
These switches have low 27.5pF on-channel capaci-
tance, which allows for 12Mbps switching of the data sig-
nals for USB 2.0 full speed/1.1 applications. The
MAX4854H/MAX4854HL are designed to switch D+ and
D- USB signals with a guaranteed skew of less than 1ns
(see Figure 2) as measured from 50% of the input signal
to 50% of the output signal.
Applications Information
Digital Control Inputs
The logic inputs (IN_) accept up to +5.5V even if the
supply voltages are below this level. For example, with a
+3.3V VCC supply, IN_ can be driven low to GND and
high to +5.5V, allowing for mixing of logic levels in a
system. Driving IN_ rail-to-rail minimizes power con-
sumption. For a +2V supply voltage, the logic thresholds
are 0.5V (low) and 1.4V (high); for a +5V supply voltage,
the logic thresholds are 0.8V (low) and 1.8V (high).
Analog Signal Levels
The on-resistance of these switches changes very little
for analog input signals across the entire supply volt-
age range (see the Typical Operating Characteristics).
The switches are bidirectional, so the NO_ and COM_
pins can be either inputs or outputs.
Power-Supply Sequencing
Caution: Do not exceed the absolute maximum ratings
because stresses beyond the listed ratings may cause
permanent damage to the device.
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply VCC before applying
analog signals, especially if the analog signal is not
current limited.
Pin Description
PIN
NAME
FUNCTION
1, 5, 7, 10
NO1, NO2,
NO3, NO4
Normally Open Terminals for Analog Switch (MAX4854H)
1, 5, 7, 10
NC1, NC2,
NC3, NC4
Normally Closed Terminals for Analog Switch (MAX4854HL)
2, 11
N.C.
No Connection. Internally not connected.
3
IN2
Digital Control Input for Analog Switch 2. A logic-low (MAX4854H) or logic-high (MAX4854HL) on IN2
opens switch 2 and a logic-high (MAX4854H) or logic-low (MAX4854HL) on IN2 connects COM2 to NO2.
4
COM2
Common Terminal for Analog Switch 2
6
GND
Ground
8
COM3
Common Terminal for Analog Switch 3
9
IN3
Digital Control Input for Analog Switch 3. A logic-low (MAX4854H) or logic-high (MAX4854HL) on IN3
opens switch 3 and a logic-high (MAX4854H) or logic-low (MAX4854HL) on IN3 connects COM3 to NO3.
12
COM4
Common Terminal for Analog Switch 4
13
IN4
Digital Control Input for Analog Switch 4. A logic-low (MAX4854H) or logic-high (MAX4854HL) on IN4
opens switch 4 and a logic-high (MAX4854H) or logic-low (MAX4854HL) on IN4 connects COM4 to NO4.
14
VCC
Supply Voltage. Bypass VCC to GND with a 0.01F capacitor as close to the pin as possible.
15
IN1
Digital Control Input for Analog Switch 1. A logic-low (MAX4854H) or logic-high (MAX4854HL) on IN1
opens switch 1 and a logic-high (MAX4854H) or logic-low (MAX4854HL) on IN1 connects COM1 to NO1.
16
COM1
Common Terminal for Analog Switch 1
—
EP
Exposed Paddle. Connect to PC board ground plane.
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| MAX4854HLETE | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（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 |
| MAX4854HLETE+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4854HLETE-T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（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 |
| MAX4855ETE | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（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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