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参数资料
| 型号： | MAX4744HELB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH DUAL SPDT 10UDFN |
| 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： | 2 x SPDT |
| 导通状态电阻： | 5.5 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN |
| 供应商设备封装： | 10-uDFN（2x2） |
| 包装： | 带卷 (TR) |
Break-Before-Make Switching
All devices feature break-before-make switching, which
is configured to break (open) the first set of contacts
before engaging (closing) the new contacts. This pre-
vents the momentary connection of the old and new sig-
nal paths to the output, reducing click-and-pop sounds.
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.
MAX4744/MAX4744H/MAX4745/MAX4745H/MAX4746H
Low-Voltage, Dual SPDT, Audio Clickless
Switches with Negative Rail Capability
10
______________________________________________________________________________________
GND
NC_
OR NO_
CL
VOUT
VCC
VOUT
CB_
OFF
ON
OFF
ΔVOUT
Q = (ΔVOUT)(CL)
COM_
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
OFF
ON
OFF
CB_
VIL TO VIH
VCC
CB_
MAX4744/MAX4745/
MAX4744H/MAX4745H/
MAX4746H
Figure 4. Charge Injection
VCC
GND
VCC
COM_
NO_
MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AND OPEN AT SOCKET TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND OFF NO_ OR NC_ TERMINALS.
ON-LOSS IS MEASURED BETWEEN COM_ AND ON NO_ OR NC_ TERMINAL ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
NC_
10nF
VIN
VOUT
NETWORK
ANALYZER
50Ω
MEAS
REF
MAX4744
MAX4744H
MAX4746H
CB_
0V OR
VCC
OFF-ISOLATION = 20log
OFF-LOSS = 20log
CROSSTALK = 20log
VIN
VOUT
VIN
VOUT
VIN
VOUT
Figure 5. Off-Isolation, On-Loss, and Crosstalk
Test Circuits/Timing Diagrams
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4745ELB+ | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE, DUAL SPDT, AUDIO CLICKLESS SWITCHES WITH NEGATI - Rail/Tube |
| MAX4745ELB+T | 功能描述:模拟开关 IC Dual SPDT Audio Clickless Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4745HELB+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX4745HELB+T | 功能描述:模拟开关 IC Dual SPDT Audio Clickless Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4746HELB+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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