參數(shù)資料
型號(hào)： ICL3207CB
廠商： Intersil
文件頁(yè)數(shù)： 7/11頁(yè)
文件大?。?/td> 0K
描述： IC 5DRVR/3RCVR RS232 3V 24-SOIC
標(biāo)準(zhǔn)包裝： 30
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 5/3
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 24-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC
包裝： 管件
5
Detailed Description
The ICL32X7 interface ICs operate from a single +3V to
+5.5V power supply, guarantee a 250kbps minimum data
rate, require only four small external 0.1
F capacitors,
feature low power consumption, and meet all ElA RS-232C
and V.28 specifications. The circuit is divided into three
sections: The charge pump, the transmitters, and the
receivers.
Charge-Pump
Intersil’s new ICL32XX family utilizes regulated on-chip dual
charge pumps as voltage doublers, and voltage inverters to
generate
±5.5V transmitter supplies from a V
CC supply as
low as 3.0V. This allows these devices to maintain RS-232
compliant output levels over the
±10% tolerance range of
3.3V powered systems. The efficient on-chip power supplies
require only four small, external 0.1
F capacitors for the
voltage doubler and inverter functions at VCC = 3.3V. See
the “Capacitor Selection” section, and Table 3 for capacitor
recommendations for other operating conditions. The charge
pumps operate discontinuously (i.e., they turn off as soon as
the V+ and V- supplies are pumped up to the nominal values),
resulting in significant power savings.
Transmitters
The transmitters are proprietary, low dropout, inverting
drivers that translate TTL/CMOS inputs to EIA/TIA-232
output levels. Coupled with the on-chip
±5.5V supplies,
these transmitters deliver true RS-232 levels over a wide
range of single supply system voltages.
ICL3217 transmitter outputs disable and assume a high
impedance state when the device enters the automatic
powerdown mode. These outputs may be driven to
±12V
when disabled.
Both devices guarantee a 250kbps data rate for full load
conditions (3k
and 1000pF), VCC ≥ 3.0V, with one
transmitter operating at full speed. Under more typical
conditions of VCC ≥ 3.3V, RL =3k, and CL = 250pF, one
transmitter easily operates at 800kbps.
Transmitter inputs float if left unconnected, and may cause
ICC increases. Connect unused inputs to GND for the best
performance.
Input Hysteresis
25
-
0.3
-
V
Input Resistance
25
357
k
TRANSMITTER OUTPUTS
Output Voltage Swing
All Transmitter Outputs Loaded with 3k
to Ground
Full
±5.0
±5.4
-
V
Output Resistance
VCC = V+ = V- = 0V, Transmitter Output = ±2V
Full
300
10M
-
Output Short-Circuit Current
Full
-
±35
±60
mA
Output Leakage Current
(ICL3217 Only)
VOUT = ±12V, VCC = 0V or 3V to 5.5V
In Automatic Powerdown
Full
-
±25
A
TIMING CHARACTERISTICS
Maximum Data Rate
(One Transmitter Switching)
VCC = 3.15V, C1 - C4 = 0.1F, RL = 3k, CL = 1000pF
Full
250
500
-
kbps
VCC = 3.0V, C1 - C4 = 0.22F, RL = 3k, CL = 1000pF
Full
250
286
-
kbps
VCC ≥ 4.5V, C1 - C4 = 0.1F, RL = 3k, CL = 1000pF
Full
250
310
-
kbps
Receiver Propagation Delay
Receiver Input to Receiver
Output, CL = 150pF
tPHL
25
-
0.3
-
s
tPLH
25
-
0.3
-
s
Transmitter Skew
tPHL - tPLH
Full
-
200
1000
ns
Receiver Skew
tPHL - tPLH
Full
-
100
500
ns
Transition Region Slew Rate
VCC = 3.3V, RL =3k to 7k,
Measured From +3V to -3V or -3V
to +3V
CL = 200pF to 2500pF
25
4
15
30
V/
s
CL = 200pF to 1000pF
25
6
15
30
V/
s
ESD PERFORMANCE
RS-232 Pins (TOUT, RIN)
Human Body Model
25
-
±15
-
kV
IEC61000-4-2 Contact Discharge
25
-
±8-
kV
IEC61000-4-2 Air Gap Discharge
25
-
±6-
kV
All Other Pins
Human Body Model
25
-
±2-
kV
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1F; Unless Otherwise Specified.
Typicals are at TA = 25°C (Continued)
PARAMETER
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
ICL3207, ICL3217
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參數(shù)描述
ICL3207CB-T 功能描述:IC 5DRVR/3RCVR RS232 3V 24-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
ICL3207CBZ 功能描述:RS-232接口集成電路 RS232 3V 5D/3R 24 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:
ICL3207CBZ-T 功能描述:RS-232接口集成電路 RS232 3V 5D/3R 24 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:
ICL3207E 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:+/- 15kV ESD Protected, +3V to +5.5V, Low Power, 250kbps, RS-232 Transmitters/Receivers
ICL3207ECA 功能描述:IC 5DRVR/3RCVR RS232 3V 24-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
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