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參數資料
| 型號： | MAX4648EUT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 6/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH SPST SOT23-6 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 功能： | 開關 |
| 電路： | 1 x SPST- NO |
| 導通狀態(tài)電阻： | 25 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 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-6 |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1421 (CN2011-ZH PDF) |
| 其它名稱： | MAX4648EUT+TDKR |
Applications Information
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings because stresses beyond the listed rat-
ings can cause permanent damage to the 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 (Figure 1).
Adding diodes reduces the analog signal range to one
diode drop below V+ and one diode drop above V-, but
does not affect the devices’ low switch resistance and
low leakage characteristics. Device operation is
unchanged, and the difference between V+ and V-
should not exceed 44V. These protection diodes are
not recommended 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 -2dB. When the switch is turned off, how-
ever, 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.
MAX4647/MAX4648
25 SPST Analog Switches in SOT23-6
6
_______________________________________________________________________________________
tr < 20ns
tf < 20ns
50%
0
LOGIC
INPUT
V-
RL
300
NO
OR NC
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
VO = VCOM
(
RL
)
RL + RON
SWITCH
INPUT
IN
+3V
tOFF
0
COM
SWITCH
OUTPUT
0.9V0
tON
VO
SWITCH
OUTPUT
LOGIC
INPUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
V+
CL
35pF
V+
VO
VCOM
0
REPEAT TEST FOR EACH SWITCH. FOR LOAD
CONDITIONS, SEE Electrical Characteristics.
MAX4647
MAX4648
Figure 2. Switching-Time Test Circuit
V+
COM
D2
D1
V-
NO
Vg
V+
V-
MAX4647
MAX4648
Figure 1. Overvoltage Protection Using External Blocking
Diodes
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4649EKA | 制造商:Maxim Integrated Products 功能描述:HIGH-VOLTAGE 45 OHM SPDT ANALOG S - Bulk |
| MAX4649EKA+ | 制造商:Maxim Integrated Products 功能描述:45 OHM SPDT ANALOG SWITCH IN SOT23-8 制造商:Maxim Integrated Products 功能描述:ANLG SW SGL SPDT 20V/36V 8PIN SOT-23 - Bulk |
| MAX4649EKA+T | 功能描述:模擬開關 IC 45Ohm SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4649EKA+TG0N | 功能描述:模擬開關 IC 45 Ohm SPDT Analog Switch in SOT23-8 RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4649EKA-T | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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