参数资料
型号: MAX4740ETE+T
厂商: Maxim Integrated Products
文件页数: 11/13页
文件大小: 0K
描述: IC SWITCH QUAD SPDT 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
功能: 音频开关
电路: 4 x SPDT
导通状态电阻: 900 毫欧
电压电源: 单电源
电压 - 电源,单路/双路(±): 1.6 V ~ 5.5 V
电流 - 电源: 300nA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(3x3)
包装: 标准包装
其它名称: MAX4740ETE+TDKR
Power-Supply Sequencing and Overvoltage
Protection
Caution: Do not exceed the Absolute Maximum
Ratings since stresses beyond the listed ratings
may cause permanent damage to the device.
Proper power-supply sequencing is recommended for
all CMOS devices. Improper supply sequencing can
force the switch into latch-up, causing it to draw exces-
sive supply current. The only way out of latch-up is to
recycle the power and reapply properly. Connect all
ground pins first, then apply power to VCC , and finally
apply signals to NO_, NC_, and COM_. Follow the
reverse order upon power-down.
Chip Information
PROCESS: BICMOS
MAX4740/MAX4740H
Quad SPDT Audio Switches
_______________________________________________________________________________________
7
CB1
CB2
GND
NC1
COM1
COM2
NO1
NO2
NC2
CONTROL
LOGIC
VCC
MAX4740
SWITCH 1
SWITCH 2
NC3
COM3
NO3
NC4
COM4
NO4
CB1
CB2
GND
NC1
COM1
COM2
NO1
NO2
NC2
CONTROL
LOGIC
VCC
MAX4740H
NC3
COM3
NO3
NC4
COM4
NO4
Hi Z
SWITCH 3
SWITCH 4
SWITCH 1
SWITCH 2
SWITCH 3
SWITCH 4
Hi Z
Figure 1. Functional Diagram
tr < 5ns
tf < 5ns
50%
0V
LOGIC
INPUT
RL
COM_
GND
CB_
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
VNC_ OR VNO_
VCC
tOFF
0V
NO_
OR NC_
0.8 x V0UT
0.8 x VOUT
tON
VOUT
SWITCH
OUTPUT
LOGIC
INPUT
CB DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
VCC
CL
VCC
VOUT
MAX4740
MAX4740H
Figure 2. Switching Time
Test Circuits/Timing Diagrams
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