參數(shù)資料
型號(hào)： MAX4909ETD+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/12頁(yè)
文件大?。?/td> 0K
描述： IC MULTIPLEXER DUAL 3X1 14TDFN
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： 多路復(fù)用器
電路： 2 x 3:1
導(dǎo)通狀態(tài)電阻： 800 毫歐
電壓電源： 單電源
電壓 - 電源，單路/雙路(±)： 1.8 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 14-TDFN-EP（3x3）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： MAX4909ETD+TDKR
Click-Pop Suppression
The MAX4908 has a 3.8kΩ (typ) shunt resistor on all of
its input terminals to automatically discharge any
capacitance when they are not connected to common
terminal X and Y. The MAX4909 has shunt resistors on
all terminals except X0 and Y0. The MAX4930 only has
shunt resistors on X2 and Y2. The shunt resistors
reduce audible click-and-pop sounds that occur when
switching between audio sources.
Audible clicks and pops are caused when a step DC
voltage is switched into the speaker. The DC step tran-
sients can be reduced by automatically discharging the
side that is not connected to the common terminal, thus
reducing any residual DC voltage and clicks and pops.
Break-Before-Make Switching
The MAX4908/MAX4909/MAX4930/MAX4932 feature
break-before-make switching, which is configured to
break (open) the first set of contacts before engaging
(closing) the new contacts. This prevents the momen-
tary connection of the old and new signal paths to the
output, further reducing click-and-pop sounds.
MAX4908/MAX4909/MAX4930/MAX4932
Dual 3:1 Clickless Audio Multiplexers
with Negative-Signal Handling
_______________________________________________________________________________________
7
GND
MAX4908
CB1
VCC
CB2
X0
X1
X2
X
Y0
Y1
Y2
Y
CONTROL
LOGIC
CB1 = 0, CB2 = 1
GND
MAX4909
CB1
VCC
CB2
X0
X1
X2
X
Y0
Y1
Y2
Y
CONTROL
LOGIC
CB1 = 0, CB2 = 1
DISCHARGE PATHS HAVE A 3.8k
Ω RESISTOR (NOT SHOWN).
Functional Diagram
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參數(shù)描述
MAX490C/D 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX490C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX490CPA 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX490CPA+ 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX490CSA 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
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