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參數(shù)資料
| 型號(hào)： | ISL43113IHZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH SPST SOT23-5 |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 功能： | 開關(guān) |
| 電路： | 1 x SPST- NC |
| 導(dǎo)通狀態(tài)電阻： | 20 歐姆 |
| 電壓電源： | 雙電源 |
| 電壓 - 電源，單路/雙路(±)： | ±1.5 V ~ 6 V |
| 電流 - 電源： | 15µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SC-74A，SOT-753 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-5 |
| 包裝： | 帶卷 (TR) |
6
Detailed Description
The ISL43112 and ISL43113 analog switches offer precise
switching capability from
±1.5V to ±6V supplies with low on-
resistance (15
) and high speed operation (t
ON = 40ns,
tOFF = 25ns). The devices are especially well suited to
portable battery powered equipment thanks to the low
operating supply voltage (
±1.5V), low power consumption
(250
W), low leakage currents (2nA max), and the tiny
SOT-23 packaging. High frequency applications also benefit
from the wide bandwidth, and the very high off isolation.
Supply Sequencing And Overvoltage Protection
As with any CMOS device, proper power supply sequencing
is required to protect the device from excessive input
currents which might permanently damage the IC. All I/O
pins contain ESD protection diodes from the pin to V+ and to
V- (see Figure 6). To prevent forward biasing these diodes,
V+ and V- must be applied before any input signals, and
input signal voltages must remain between V+ and V-. If
these conditions cannot be guaranteed, then one of the
following two protection methods should be employed.
Logic inputs can easily be protected by adding a 1k
resistor in series with the input (see Figure 6).
The resistor limits the input current below the threshold that
produces permanent damage, and the sub-microamp input
current produces an insignificant voltage drop during normal
operation.
Adding a series resistor to the switch input defeats the
purpose of using a low RON switch, so two small signal
diodes can be added in series with the supply pins to provide
overvoltage protection for all pins (see Figure 6). These
additional diodes limit the analog signal from 1V below V+ to
1V above V-. The low leakage current performance is
unaffected by this approach, but the switch resistance may
increase, especially at low supply voltages.
Power-Supply Considerations
The ISL4311X construction is typical of most CMOS analog
switches, except that there are only two supply pins: V+ and
V-. The power supplies need not be symmetrical for useful
operation. As long as the total supply voltage (V+ to V-,
including supply tolerances, overshoot, and noise spikes) is
less than the 15V maximum supply rating, and the digital
input switching point remains reasonable (see “Logic-Level
Thresholds” section), the ISL43112/13 function well. The
15V maximum supply rating provides the designer of 12V
systems much greater flexibility than switches with a 13V
maximum supply voltage.
The minimum recommended supply voltage is
±1.5V. It is
important to note that the input signal range, switching times,
and on-resistance degrade at lower supply voltages, and the
digital input VIL becomes negative at VS ≤ ±2V. Refer to the
“Typical Performance” curves for details.
V+ and V- power the internal CMOS switches and set their
analog voltage limits. These supplies also power the internal
logic and level shifters. The level shifters convert the input
logic levels to switched V+ and V- signals to drive the analog
switch gate terminals.
This family of switches is not recommended for single supply
applications. For single supply, similar performance, pin
FIGURE 5. CAPACITANCE TEST CIRCUIT
Test Circuits and Waveforms (Continued)
V+
NO or NC
COM
IN
IMPEDANCE
ANALYZER
V- or V+
V-
FIGURE 6. OVERVOLTAGE PROTECTION
V-
VCOM
VNO or NC
OPTIONAL PROTECTION
V+
IN
DIODE
OPTIONAL PROTECTION
DIODE
OPTIONAL
PROTECTION
RESISTOR
ISL43112, ISL43113
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL43112IHZ-T | IC SWITCH SPST SOT23-5 |
| PI5A124TEX | IC SWITCH SPDT SOT23-6 |
| ISL54066IRTZ | IC SWITCH SPDT DUAL 10TQFN |
| ISL54504IHZ-T | IC SWITCH SPDT SOT23-6 |
| ISL54501IHZ-T | IC SWITCH SPDT SOT23-6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL43120 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low-Voltage, Single Supply, Dual SPST Analog Switches |
| ISL43120_05 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low-Voltage, Single Supply, Dual SPST, SPDT Analog Switches |
| ISL43120_07 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low-Voltage, Single Supply, Dual SPST Analog Switches |
| ISL43120IH-T | 功能描述:模擬開關(guān) IC DUAL SPST NO RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| ISL43120IHZ-T | 功能描述:IC SWITCH DUAL SPST SOT23-8 RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:視頻交叉點(diǎn)開關(guān) 電路:1 x 8:6 導(dǎo)通狀態(tài)電阻:- 電壓電源:單電源 電壓 - 電源，單路/雙路(±):3.135 V ~ 5.25 V 電流 - 電源:55mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:24-TSSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁面:1214 (CN2011-ZH PDF) 其它名稱:FMS6502MTC24XTR |
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