REV. 1.0.2 IOSS Receiver Outp" />
參數(shù)資料
型號: SP337EBEY-0A-EB
廠商: Exar Corporation
文件頁數(shù): 15/18頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR SP337EBEY
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,收發(fā)器,RS-232,RS-422,RS-485
嵌入式:
已用 IC / 零件: SP337EBEY
主要屬性: *
次要屬性: *
已供物品:
其它名稱: 1016-1375
SP337E
6
3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
REV. 1.0.2
IOSS
Receiver Output ShortCircuit Current
+/-40
+/-65
mA
0 < Vo < Vcc
IOZ
Receiver Output Leakage Current
+/-0.1
+/-1.5
μA
Receivers Disabled
SINGLE-ENDED RECEIVER INPUTS (RS-232)
Input Voltage Range
-15
+15
V
Input Threshold Low
0.6
1.2
V
VCC = 3.3V
0.8
1.5
V
VCC = 5.0V
Input Threshold HIGH
1.5
2.0
V
VCC = 3.3V
1.8
2.4
V
VCC = 5.0V
Input Hysteresis
0.5
V
Input Resistance
3
5
7
k
Ω
DIFFERENTIAL RECEIVER INPUTS (RS-485 / RS-422)
RIN
Receiver Input Resistance
96
k
Ω
-7V
≤ VCM +12V
VTH
Receiver Differential Threshold
-200
-125
-50
mV
ΔVTH
Receiver Input Hysteresis
30
mV
VCM = 0V
IIN
Input Current
125
μA
VIN = 12V
-100
μA
VIN = -7V
SINGLE-ENDED DRIVER OUTPUTS (RS-232)
VO
Output Voltage Swing
+/-5.0
+/-5.4
V
Output Loaded with 3k
Ω to Gnd
+/-7.0
V
No Load Output
Short Circuit Current
+/-60
mA
VO = 0V
Power Off Impedance
300
10M
W
Vcc = 0V; VO = +/-2V
DIFFERENTIAL DRIVER OUTPUTS (RS-485 / RS-422)
VOD
Differential Driver Output (Tx_Out)
2
Vcc
V
RL = 100Ω (RS-422), Figure 2
1.5
Vcc
V
RL = 54Ω (RS-485), Figure 2
1.5
Vcc
V
VCM = -7V, Figure 3
1.5
Vcc
V
VCM = +12V, Figure 3
ΔVOD
Change In Magnitude of
Differential Output Voltage
-0.2
+0.2
V
RL = 54Ω or 100Ω, Figure 2
VOC
Driver CommonMode Output Voltage
3
V
RL = 54Ω or 100Ω, Figure 2
ΔVOC
Change In Magnitude of
Common Mode Output Voltage
0.2
V
RL = 54Ω or 100Ω, Figure 2
IOSD
Driver Output Short Circuit Current
+/-250
mA
V = +12V to -7V, Figure 4
IO
Output Leakage Current
+/-100
μA
TXEN = 0V or Shutdown,
VO = +12V to -7V
TIMING CHARACTERISTICS
UNLESS OTHERWISE NOTED: VCC = +3.3V +/-5% OR +5.0V +/-5%, C1-C4 = 0.1
μF; TA = TMIN TO TMAX.
TYPICAL VALUES ARE AT VCC = 3.3V, TA = +25OC.
SYMBOL
PARAMETERS
MIN.TYP.
MAX.UNITS
CONDITIONS
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