參數(shù)資料
型號(hào)： ICL3237ECA
廠商： INTERSIL CORP
元件分類： 通用總線功能
英文描述： 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述： TRIPLE LINE TRANSCEIVER, PDSO28
封裝： PLASTIC, MO-150AH, SSOP-28
文件頁數(shù)： 8/12頁
文件大?。?/td> 302K
代理商： ICL3237ECA
8
Operation Down to 2.7V
ICL3237E transmitter outputs meet RS-562 levels (
±
3.7V), at
the full data rate, with V
CC
as low as 2.7V. RS-562 levels
typically ensure inter operability with RS-232 devices.
Transmitter Outputs when Exiting
Powerdown
Figure 4 shows the response of two transmitter outputs
when exiting powerdown mode. As they activate, the two
transmitter outputs properly go to opposite RS-232 levels,
with no glitching, ringing, nor undesirable transients. Each
transmitter is loaded with 3k
in parallel with 2500pF. Note
that the transmitters enable only when the magnitude of the
supplies exceed approximately 3V.
High Data Rates
The ICL3237E maintains the RS-232
±
5V minimum
transmitter output voltages even at high data rates. Figure 5
details a transmitter loopback test circuit, and Figure 6
illustrates the standard speed loopback test result for a
single transmitter driving 1000pF and an RS-232 load at
250kbps. Figure 7 shows the MegaBaud loopback results for
a single transmitter driving 250pF and an RS-232 load at
1Mbps. The static transmitters were also loaded with an
RS-232 receiver.
TIME (20
μ
s/DIV.)
T1
T2
2V/DIV
5V/DIV
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
SHDN
FIGURE 4. TRANSMITTER OUTPUTS WHEN EXITING
POWERDOWN
FIGURE 5. TRANSMITTER LOOPBACK TEST CIRCUIT
FIGURE 6. LOOPBACK TEST AT 250kbps (C
L
= 1000pF)
FIGURE 7. LOOPBACK TEST AT 1Mbps (C
L
= 250pF)
ICL3237E
V
CC
C
1
C
2
C
4
+
C
3
+
+
+
C
L
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
MBAUD
GND or V
CC
T1
IN
T1
OUT
R1
OUT
2
μ
s/DIV.
5V/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
MBAUD = GND
T1
IN
T1
OUT
R1
OUT
0.5
μ
s/DIV.
5V/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
MBAUD = V
CC
ICL3237E
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ICL3237ECAZ 功能描述:RS-232接口集成電路 RS232 3V 5D/3R 15KV SHTDWN COM RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
ICL3237ECAZ-T 功能描述:RS-232接口集成電路 RS232 3V 5D/3R 15KV SHTDWN COMEL RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
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