MAX3174 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3174 Datasheet PDF : 19 Pages
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+3.3V Multiprotocol Software-Selectable
Cable Terminators and Transceivers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.3V ± 5%, TA = TMIN to TMAX. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted. See Note 2 for V+
and V- input voltage conditions.)
PARAMETER
V.28 TRANSMITTER
Output Voltage Swing
Short-Circuit Current
Output Slew Rate
Transmitter Propagation Delay
Data Skew
V.28 RECEIVER
Input Threshold Low
Input Threshold High
Input Hysteresis
Receiver Propagation Delay
Data Skew
SYMBOL
CONDITIONS
VO
ISC
SR
tPHL, tPLH
| tPHL -
tPLH |
RL = 3kΩ, Figure 3
Open circuit, Figure 3
T4OUT = GND
RL = 3kΩ, CL = 2500pF measured from
+3V to -3V or -3V to +3V, Figure 3
RL = 7kΩ , CL = 150pF measured from
+3V to -3V or -3V to +3V, Figure 3
VIL
VIH
VHYS
tPHL, tPLH Figure 4
| tPHL -
tPLH |
Figure 4
MAX3172
MAX3174
MAX3172
MAX3174
MIN TYP MAX UNITS
±5.0 ±5.4
V
±6.5
±25
±60
mA
4
30
V/µs
6
30
1
µs
100
ns
1.1
0.8
V
2.0
1.6
V
0.5
V
5
10
15
µs
200
ns
0.5
4
µs
100
ns
Note 2: The charge pump on the MAX3171/MAX3173 can supply V+ and V- to the MAX3172/MAX3174. The V+ and V- input levels
vary with the mode of chipset operation as follows:
V.35/V.28 modes: +5.55V ≤ V+ ≤ +6.50V, -6.50V ≤ V- ≤ -5.45V
Typical operation: V+ = +5.90V, V- = -5.80V
V.10/V.11 modes: +4.20V ≤ V+ ≤ +5.0V, -4.60V ≤ V- ≤ -3.80V
Typical operation: V+ = +4.60V, V- = -4.20V
The MAX3171/MAX3173 are guaranteed to provide these V+/V- supply levels.
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