参数资料
型号: MAX4564EUA+T
厂商: Maxim Integrated Products
文件页数: 10/11页
文件大小: 0K
描述: IC SWITCH SPDT 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 开关
电路: 1 x SPDT
导通状态电阻: 60 欧姆
电压电源: 单/双电源
电压 - 电源,单路/双路(±): 1.8 V ~ 12 V,±1.8 V ~ 6 V
电流 - 电源: 1µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 带卷 (TR)
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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