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參數(shù)資料
| 型號： | ISL83220E |
| 廠商： | Intersil Corporation |
| 英文描述： | Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85 |
| 中文描述： | / - 15kV的ESD保護，3V至5.5V，1Microamp，250kbps的和RS - 232發(fā)送器/接收器 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 267K |
| 代理商： | ISL83220E |
6
Power Supply Decoupling
In most circumstances a 0.1
μ
F bypass capacitor is
adequate. In applications that are particularly sensitive to
power supply noise, decouple V
CC
to ground with a
capacitor of the same value as the charge-pump capacitor C
1
.
Connect the bypass capacitor as close as possible to the IC.
Transmitter Output when Exiting
Powerdown
Figure 3 shows the response of the transmitter output when
exiting powerdown mode. As it activates, the transmitter
output properly goes to RS-232 levels, with no glitching,
ringing, nor undesirable transients. The transmitter is loaded
with 3k
in parallel with 2500pF. Note that the transmitter
enables only when the magnitude of the supplies exceed
approximately 3V.
High Data Rates
The ISL83220E maintains the RS-232
±
5V minimum
transmitter output voltages even at high data rates. Figure 4
details a transmitter loopback test circuit, and Figure 5
illustrates the loopback test result at 120kbps. For this test,
the transmitter is driving an RS-232 load in parallel with
1000pF, at 120kbps. Figure 6 shows the loopback results for
the transmitter driving 1000pF and an RS-232 load at
250kbps.
TIME (20
μ
s/DIV.)
2V/DIV.
5V/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
SHDN
FIGURE 3. TRANSMITTER OUTPUT WHEN EXITING
POWERDOWN
T
IN
= LOW
T
IN
= HIGH
FIGURE 4. TRANSMITTER LOOPBACK TEST CIRCUIT
FIGURE 5. LOOPBACK TEST AT 120kbps
FIGURE 6. LOOPBACK TEST AT 250kbps
ISL83220E
V
CC
C
1
C
2
C
4
+
C
3
+
+
+
1000pF
V+
V-
5k
T
IN
R
OUT
C1+
C1-
C2+
C2-
R
IN
T
OUT
+
V
CC
0.1
μ
F
V
CC
EN
SHDN
T1
IN
T1
OUT
R1
OUT
5
μ
s/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
5V/DIV.
T1
IN
T1
OUT
R1
OUT
2
μ
s/DIV.
5V/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
ISL83220E
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL83220ECV | Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85 |
| ISL83220EIV | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ISL83220EIB | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ISL8325IB | Low-Voltage, Single Supply, Dual SPST Analog Switches |
| ISL8324IB | Low-Voltage, Single Supply, Dual SPST Analog Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL83220E_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:【15kV ESD Protected, +3V to +5.5V, 1Microamp, 250kbps, RS-232 Transmitters/Receivers |
| ISL83220ECA | 制造商:Rochester Electronics LLC 功能描述:RS232 3V 1D/1R 15KV SHUTDOWN 16SSOP COM - Bulk |
| ISL83220ECB | 制造商:Rochester Electronics LLC 功能描述:RS232 3V 1D/1R 15KV SHUTDOWN 16WSOIC COM - Bulk |
| ISL83220ECV | 功能描述:IC 1DRVR/1RCVR RS232 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準包裝:25 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-PDIP 包裝:管件 |
| ISL83220ECV-T | 功能描述:IC 1DRVR/1RCVR RS232 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準包裝:25 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-PDIP 包裝:管件 |
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