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参数资料
| 型号： | ISL4270EIRZ-T |
| 厂商： | Intersil |
| 文件页数： | 9/13页 |
| 文件大小： | 0K |
| 描述： | IC XMITTER/RCVR ESD RS232 32-QFN |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/3 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 标准包装 |
| 产品目录页面： | 1241 (CN2011-ZH PDF) |
| 其它名称： | ISL4270EIRZ-TDKR |
5
FN6041.2
June 16, 2010
TRANSMITTER OUTPUTS
Output Voltage Swing
All Transmitter Outputs Loaded with 3k
Ω to Ground
Full
±5.0
±5.4
-
V
Output Resistance
VCC = V+ = V- = 0V, Transmitter Output = ±2V
Full
300
10M
-
Ω
Output Short-Circuit Current
VOUT = 0V
Full
-
±35
±60
mA
Output Leakage Current
VOUT = ±12V, VCC = 0V or 3V to 5.5V
Automatic Powerdown or FORCEOFF =GND
Full
-
±25
μA
ENHANCED AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC)
Receiver Input Thresholds to
INVALID High
See Figure 4
Full
-2.7
-
2.7
V
Receiver Input Thresholds to
INVALID Low
See Figure 4
Full
-0.3
-
0.3
V
INVALID Output Voltage Low
IOUT = 1.6mA
Full
-
0.4
V
INVALID Output Voltage High
IOUT = -1.0mA
Full
VL - 0.6
-
V
Receiver Positive or Negative
Threshold to INVALID High Delay
(tINVH)
See Figure 7
25
-
1
-
μs
Receiver Positive or Negative
Threshold to INVALID Low Delay
(tINVL)
See Figure 7
25
-
30
-
μs
Receiver or Transmitter Edge to
Transmitters Enabled Delay (tWU)
25
-
100
-
μs
Receiver or Transmitter Edge to
Transmitters Disabled Delay
(tAUTOPWDN)
Full
15
30
60
sec
TIMING CHARACTERISTICS
Maximum Data Rate
RL =3kΩ, CL = 1000pF, One Transmitter Switching
Full
250
500
-
kbps
Receiver Propagation Delay
Receiver Input to Receiver
Output, CL = 150pF
tPHL
25
-
0.15
-
μs
tPLH
25
-
0.15
-
μs
Time to Exit Powerdown
TX | VOUT | ≥ 3.7V
25
-
100
-
μs
Transmitter Skew
tPHL - tPLH
25
-
100
-
ns
Receiver Skew
tPHL - tPLH
25
-
50
-
ns
Transition Region Slew Rate
VCC =3.3V,
RL =3kΩ to 7kΩ,
Measured From 3V to -3V or -3V
to 3V
CL = 150pF to 1000pF
25
6
18
30
V/
μs
CL = 150pF to 2500pF
25
4
13
30
V/
μs
ESD PERFORMANCE
RS-232 Pins (TOUT, RIN)
Human Body Model
25
-
±15
-
kV
IEC61000-4-2 Air Gap Discharge
25
-
±15
-
kV
IEC61000-4-2 Contact Discharge
25
-
±8-
kV
NOTES:
3. An “edge” is defined as a transition through the transmitter or receiver input thresholds.
4. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1F, VL = VCC; Unless Otherwise Specified.
Typicals are at TA = 25oC, VCC = VL = 3.3V (Continued)
PARAMETER
TEST CONDITIONS
TEMP
(oC)
MIN
(Note 4)
TYP
MAX
(Note 4) UNITS
ISL4270E
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