levels (±3.7V), at the full d" />
參數(shù)資料
型號: ISL4241EIRZ
廠商: Intersil
文件頁數(shù): 3/14頁
文件大?。?/td> 0K
描述: IC 3DRVR/5RCVR RS232 3V 32-QFN
標(biāo)準(zhǔn)包裝: 60
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 3/5
規(guī)程: RS232
電源電壓: 2.7 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 管件
11
FN8037.7
June 10, 2010
Operation Down to 2.7V
The ISL4241E, ISL4243E transmitter outputs meet RS-562
levels (±3.7V), at the full data rate, with VCC as low as 2.7V.
RS-562 levels typically ensure inter operability with RS-232
devices.
High Data Rates
The ISL4241E, ISL4243E maintain the RS-232 ±5V
minimum transmitter output voltages even at high data rates.
Figure 9 details a transmitter loopback test circuit, and
Figure 10 illustrates the loopback test result at 120kbps. For
this test, all transmitters were simultaneously driving RS-232
loads in parallel with 1000pF, at 120kbps. Figure 11 shows
the loopback results for a single transmitter driving 1000pF
and an RS-232 load at 250kbps. The static transmitters were
also loaded with an RS-232 receiver.
Interconnection with 3V and 5V Logic
The ISL4241E, ISL4243E directly interface with 5V CMOS
and TTL logic families. Nevertheless, with the ISL4241E,
ISL4243E at 3.3V, and the logic supply at 5V, AC, HC, and
CD4000 outputs can drive ISL4241E, ISL4243E inputs, but
ISL4241E, ISL4243E outputs do not reach the minimum VIH
for these logic families. See Table 3 for more information.
FIGURE 9. TRANSMITTER LOOPBACK TEST CIRCUIT
TIME (20s/DIV)
T1
T2
2V/DIV.
5V/DIV.
VCC = +3.3V
FORCEOFF
FIGURE 8. TRANSMITTER OUTPUTS WHEN EXITING
POWER-DOWN
C1 to C4 = 0.1F
ISL4241E
VCC
FORCEOFF or SHDN
C1
C2
C4
C3
+
1000pF
V+
V-
5k
TIN
ROUT
C1+
C1-
C2+
C2-
RIN
TOUT
+
VCC
0.1F
VCC
FORCEON
ISL4243E
FIGURE 10. LOOPBACK TEST AT 120kbps
FIGURE 11. LOOPBACK TEST AT 250kbps
TABLE 3.
LOGIC FAMILY COMPATIBILITY WITH VARIOUS
SUPPLY VOLTAGES
SYSTEM
POWER-SUPPLY
VOLTAGE
(V)
VCC
SUPPLY
VOLTAGE
(V)
COMPATIBILITY
3.3
Compatible with all CMOS
families.
5
Compatible with all TTL and
CMOS logic families.
T1IN
T1OUT
R1OUT
5s/DIV
VCC = +3.3V
5V/DIV
C1 to C4 = 0.1 F
T1IN
T1OUT
R1OUT
2s/DIV
5V/DIV.
VCC = +3.3V
C1 - C4 = 0.F
ISL4241E, ISL4243E
相關(guān)PDF資料
PDF描述
VI-J3M-MX-F4 CONVERTER MOD DC/DC 10V 75W
V48A15T500BG2 CONVERTER MOD DC/DC 15V 500W
MS27468E13A35S CONN RCPT 22POS JAM NUT W/SCKT
V48A15T500BF CONVERTER MOD DC/DC 15V 500W
MS3106E-32-15P CONN PLUG 8POS STRAIGHT W/PINS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL4241EIRZ-T 功能描述:IC XMITTER/RCVR ESD RS232 32-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:驅(qū)動器 驅(qū)動器/接收器數(shù):4/0 規(guī)程:RS422 電源電壓:4.5 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR)
ISL4243E 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps, +2.7V to +5.5V, 10Nanoamp, 250kbps,
ISL4243EIR 功能描述:RS-232接口集成電路 TXRX 2.7-5.5V ESD 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:
ISL4243EIR-T 功能描述:IC 3DRVR/5RCVR RS232 3V 32-QFN 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(zhǔn)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
ISL4243EIRZ 功能描述:RS-232接口集成電路 RS232 3V 3D/5R 15KV AUTODWN 32QFN IND 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: