MAX13234E Datasheet, PDF (3/16 Pages) Maxim Integrated Products – 3Mbps RS-232 Transceivers with Low-Voltage Interface

3Mbps RS-232 Transceivers with
Low-Voltage Interface
ELECTRICAL CHARACTERISTICS (continued)
(V_CC = +3V to +5.5V, V_L = +1.62V to V_CC, T_A = -40°C to +85°C, C1–C4 = 0.1µF, V_CC = V_L, tested at 3.3V ±10%. Typical values are
at TA = +25°C.) (Note 2)
PARAMETER
RECEIVER INPUTS
Input-Voltage Range
Input Threshold Low
Input Threshold High
Input Hysteresis
Input Resistance
TRANSMITTER OUTPUTS
SYMBOL
CONDITIONS
V_IL
T_A = +25°C
V_IH
T_A = +25°C
V_CC = +3.3V
V_CC = +5V
V_CC = +3.3V
V_CC = +5V
MIN TYP MAX UNITS
- 25
+25
V
0.6
1.2
V
0.8
1.5
1.5
2.4
V
1.8
2.4
0.5
V
3
5
7
kΩ
Output-Voltage Swing
All transmitter outputs loaded with 3kΩ to
GND
±5
±5.4
V
Output Resistance
V_CC = V+ = V- = 0V, transmitter outputs =
±2V
300 10M
Ω
Output Short-Circuit Current
-60
+60
mA
Output Leakage Current
V_CC = 0V or +3V to +5.5V, V_OUT = ±12V,
transmitters disabled
-25
AutoShutdown Plus (FORCEON = GND, FORCEOFF = V_L)
Receiver Input Threshold Valid
Positive threshold, Figure 1
Level
Negative threshold, Figure 1
-2.7
+25
µA
2.7
V
V
Receiver Input Threshold
Invalid Level
Figure 1
-0.3
+0.3
V
Receiver or Transmitter Edge-to-
Transmitters Enabled
t_WU
V_L = 5V, Figure 1 (Note 3)
100
µs
Receiver or Transmitter Edge-to-
Transmitters Shutdown
t_AUTOSHDN V_L = 5V, Figure 1 (Note 3)
15
30
60
s
TIMING CHARACTERISTICS (MAX13234E/MAX13236E)
Maximum Data Rate
R_L = 3kΩ, C_L = 1000pF, one transmitter
switching
250
kbps
Receiver Propagation Delay
Transmitter Skew
Receiver Skew
t_RPHL,
t_RPLH
|t_TPHL -
t_TPLH|
|t_RPHL -
t_RPLH|
C_L = 150pF, Figures 2, 3
Figures 4, 5 (Note 4)
Figures 2, 3
0.15
µs
100
ns
50
ns
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