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參數(shù)資料
| 型號(hào)： | ISL84523IVZ-T |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPST 16TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 功能： | 開(kāi)關(guān) |
| 電路： | 4 x SPST - NC/NO |
| 導(dǎo)通狀態(tài)電阻： | 100 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 2 V ~ 12 V，±2 V ~ 6 V |
| 電流 - 電源： | 50nA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
8
V+ and GND power the internal logic (thus setting the digital
switching point) and level shifters. The level shifters convert
the logic levels to switched V+ and V- signals to drive the
analog switch gate terminals, so switch parameters -
especially RON - are strong functions of both supplies.
Logic-Level Thresholds
V+ and GND power the internal logic stages, so V- has no
affect on logic thresholds. This switch family is TTL
compatible (0.8V and 2.4V) over a V+ supply range of 2.5V
to 10V. At 12V the VIH level is about 2.7V, so for best results
use a logic family the provides a VOH greater than 3V.
The digital input stages draw supply current whenever the
digital input voltage is not at one of the supply rails. Driving
the digital input signals from GND to V+ with a fast transition
time minimizes power dissipation.
High-Frequency Performance
In 50
systems, signal response is reasonably flat even past
300MHz (Figure 15), with a small signal -3dB bandwidth in
excess of 400MHz, and a large signal bandwidth exceeding
300MHz.
An off switch acts like a capacitor and passes higher
frequencies with less attenuation, resulting in signal
feedthrough from a switch’s input to its output. OFF Isolation
is the resistance to this feedthrough, while Crosstalk
indicates the amount of feedthrough from one switch to
another. Figure 16 details the high OFF Isolation and
Crosstalk rejection provided by this family. At 10MHz, OFF
isolation is about 50dB in 50
systems, decreasing
approximately 20dB per decade as frequency increases.
Higher load impedances decrease OFF Isolation and
Crosstalk rejection due to the voltage divider action of the
switch OFF impedance and the load impedance.
Leakage Considerations
Reverse ESD protection diodes are internally connected
between each analog-signal pin and both V+ and V-. One
of these diodes conducts if any analog signal exceeds V+
or V-.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or V-. Although the ESD diodes on a given
signal pin are identical and therefore fairly well balanced,
they are reverse biased differently. Each is biased by either
V+ or V- and the analog signal. This means their leakages
will vary as the signal varies. The difference in the two diode
leakages to the V+ and V- pins constitutes the analog-signal-
path leakage current. All analog leakage current flows
between each pin and one of the supply terminals, not to the
other switch terminal. This is why both sides of a given
switch can show leakage currents of the same or opposite
polarity. There is no connection between the analog signal
paths and GND.
Typical Performance Curves TA = 25oC, Unless Otherwise Specified
FIGURE 9. ON RESISTANCE vs SUPPLY VOLTAGE
FIGURE 10. ON RESISTANCE vs SWITCH VOLTAGE
40
50
60
70
80
90
R
ON
(
)
V+ (V)
VCOM = (V+) - 1V
ICOM = 1mA
4
6
8
10
12
0
50
100
150
200
250
35
79
11
V- = -5V
25oC
-40oC
85oC
-40oC
85oC
25oC
V- = 0V
50
100
150
200
250
300
R
ON
(
)
VCOM (V)
02
4
50
80
110
140
13
5
V+ = 2.7V
V+ = 5V
25oC
-40oC
85oC
ICOM = 1mA
V- = 0V
75
125
175
225
V+ = 3.3V
25oC
-40oC
85oC
V- = 0V
25oC
85oC
-40oC
ISL84521, ISL84522, ISL84523
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| ISL84524IU-T | 功能描述:IC MUX/DEMUX 4X1 10MSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:- 電路:2 x SPST 導(dǎo)通狀態(tài)電阻:20 歐姆 電壓電源:單電源 電壓 - 電源，單路/雙路(±):3 V ~ 5.5 V 電流 - 電源:4.1mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:帶卷 (TR) |
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