參數(shù)資料
型號(hào): MAX4564EKA+T
廠商: Maxim Integrated Products
文件頁數(shù): 10/11頁
文件大小: 0K
描述: IC SWITCH ANLG DUAL SPDT SOT23-8
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: 開關(guān)
電路: 1 x SPDT
導(dǎo)通狀態(tài)電阻: 60 歐姆
電壓電源: 單/雙電源
電壓 - 電源,單路/雙路(±): 1.8 V ~ 12 V,±1.8 V ~ 6 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: SOT-23-8
供應(yīng)商設(shè)備封裝: SOT-23-8
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: MAX4564EKA+TDKR
MAX4564
Low-Voltage, Dual-Supply,
SPDT Analog Switch with Enable
8
Maxim Integrated
Detailed Description
The MAX4564 is a dual-supply SPDT CMOS analog
switch. The MAX4564 has break-before-make switch-
ing. The CMOS switch construction provides Rail-to-
Rail signal handling while consuming virtually no
power. Each of the two switches is independently con-
trolled by a TTL/CMOS-level-compatible digital input.
Applications Information
Overvoltage Protection
Do not exceed the absolute maximum ratings because
stresses beyond the listed ratings may cause perma-
nent damage to the device. Proper power-supply
sequencing is recommended for all CMOS devices.
Always sequence V+ on first, then V-, followed by the
logic inputs NO, NC, or COM. If power-supply
sequencing is not possible, add two small-signal
diodes (D1, D2) in series with supply pins. Adding
diodes reduces the analog signal range to one diode
drop below V+ and one diode drop above V-, but does
not affect the device’s low switch resistance and low
leakage characteristics.
Test Circuits/
Timing Diagrams
Pin Description
MAX
SOT23
NAME
FUNCTION
1
8
COM
Analog Switch Common
27
EN
Device Enable. Drive
EN low for normal SPDT switch operation. If EN is high, both
NO and NC are disconnected.
3
6
V-
Negative Supply Voltage
4
5
GND
Ground
5
3
IN
Digital Control Input
6
4
NO
Analog Switch Normally Open
7
1
NC
Analog Switch Normally Closed
8
2
V+
Positive Supply Voltage
POSITIVE SUPPLY
COM
NO
D2
D1
V-
Vg
V+
MAX4564
NEGATIVE SUPPLY
Figure 1. Overvoltage Protection Using Two External Blocking
Diodes
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
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