SP3490CN-L 查看數據表（PDF） - Exar Corporation
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SP3490CN-L Datasheet PDF : 12 Pages
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SP3490 / SP3491
Electrical Characteristics, Continued
TAMB = TMIN to TMAX and VCC = 3.3V ±5% unless otherwise noted
PARAMETERS
MIN.
TYP.
MAX.
SP3491 Receiver DC Characteristics
Differential input threshold
-0.2
0.2
Input hysteresis
25
Output voltage HIGH
Vcc-0.4
Output voltage LOW
Three-State ( High Impedance)
Output Current
Input resistance
0.4
±1
12
15
Input current (A, B); VIN = 12V
1.0
Input current (A, B); VIN = -7V
-0.8
Short circuit current
60
SP3491 Receiver AC Characteristics
Maximum data rate
10
Receiver input to output, tPLH
Receiver input to output, tPLH
Receiver input to output, tPHL
Receiver input to output, tPHL
Differential receiver skew
40
70
120
85
40
70
120
85
4
Receiver enable to output LOW
Receiver enable to output HIGH
Receiver disable from LOW
Receiver disable from HIGH
Power Requirements
Supply voltage
3.0
Supply current
Supply current
ESD protection for R, D, DE, REB, A,
B, Y and Z pins
65
150
65
150
65
200
65
200
1000
800
±2
3.6
2000
1500
UNITS
CONDITIONS
Volts
mV
Volts
Volts
µA
kΩ
mA
mA
mA
-7V ≤ VCM ≤ 12V
VCM = 0V
VID = 200mV, IO = -1.5mA
VID = -200mV, IO = 2.5mA
0V ≤ VO ≤ Vcc; REB = Vcc
-7V ≤ VCM ≤ 12V
DE = 0V, VCC = 0V or 3.6V,
VIN = 12V
DE = 0V, VCC = 0V or 3.6V,
VIN = -7V
0V ≤ VO ≤ VCC
Mbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
REB = 0V, DE = 0V
Figures 6 and 12
TAMB = 25°C, Vcc = 3.3V, Figures 6 and 12
Figures 6 and 12
TAMB = 25°C, Vcc = 3.3V, Figures 6 and 12
|tPHL(A)- tPLH(A)|, |tPHL(B)- tPLH(B)|,
Figures 6 and 12
Figures 7 and 13; S1 Closed, S2 open
Figures 7 and 13; S2 Closed, S1 open
Figures 7 and 13; S1 Closed, S2 open
Figures 7 and 13; S2 Closed, S1 open
V
µA
REB, D = 0V or VCC; DE = VCC
µA
DE = 0V
kV
Human Body Model
REV 1.0.3
5/12
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