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參數(shù)資料
| 型號(hào)： | MAX4649EKA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH 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(kāi)關(guān) |
| 電路： | 1 x SPDT |
| 導(dǎo)通狀態(tài)電阻： | 45 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 9 V ~ 36 V，±4.5 V ~ 20 V |
| 電流 - 電源： | 1µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)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 |
| 產(chǎn)品目錄頁(yè)面： | 1421 (CN2011-ZH PDF) |
| 其它名稱(chēng)： | MAX4649EKA+TDKR |
MAX4649
45
, SPDT Analog Switch in SOT23-8
_______________________________________________________________________________________
7
leakage characteristics. Device operation is un-
changed, and the difference between V+ and V- should
not exceed 44V. These protection diodes are not rec-
ommended when using a single supply.
Off-Isolation at High Frequencies
In 50
systems, the high-frequency on-response of
these parts extends from DC to above 300MHz, with a
typical loss of -3.6dB. When the switch is turned off,
however, it behaves like a capacitor, and off-isolation
decreases with increasing frequency. This effect is
more pronounced with higher source and load imped-
ances. Above 5MHz, circuit board layout becomes criti-
cal. The graphs shown in the Typical Operating
Characteristics were taken using a 50
source and
load connected with BNC connectors.
tR < 20ns
tF < 20ns
50%
0
VNO
LOGIC
INPUT
V-
-V
RL
1000
COM
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
LOGIC
INPUT
NC
IN
tTRANS
+3V
tTRANS
VO
VNC
V+
NO
VO
0.9VNC
0.9VNO
SWITCH
OUTPUT
MAX4649
+V
CL
35pF
VNC
VNO
Figure 2. MAX4649 Transition Time
V+
COM
V-
NO_
Vg
V+
D1
D2
V-
Test Circuits/Timing Diagrams
Figure 1. Overvoltage Protection
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