MAX3228E(2001) Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
Список матч
MAX3228E Datasheet PDF : 15 Pages
| |||
±15kV ESD-Protected +2.5V to +5.5V
RS-232 Transceivers in UCSP
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.5V to +5.5V, VL = +1.65V to +5.5V, C1–C4 = 0.1µF, tested at +3.3V ±10%, TA = TMIN to TMAX. Typical values are at TA =
+25°C, unless otherwise noted.) (Note 3)
PARAMETER
RECEIVER INPUTS
Input Voltage Range
Input Threshold Low
Input Threshold High
Input Hysteresis
Input Resistance
AUTO SHUTDOWN
Receiver Input Threshold to
INVALID Output High
Receiver Input Threshold to
INVALID Output Low
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
TA = +25°C
TA = +25°C
VCC = +3.3V
VCC = +5.0V
VCC = +3.3V
VCC = +5.0V
-25
+25
V
0.6
1.2
V
0.8
1.7
1.3
2.4
V
1.8
2.4
0.5
V
3
5
7
kΩ
Figure 3a
Positive threshold
Negative threshold -2.7
-0.3
2.7
V
0.3
V
Receiver Positive or Negative
Threshold to INVALID High
tINVH VCC = +5.0V, Figure 3b
1
µs
Receiver Positive or Negative
Threshold to INVALID Low
tINVL VCC = +5.0V, Figure 3b
30
µs
Receiver Edge to Transmitters
Enabled
INVALID OUTPUT
Output Voltage Low
Output Voltage High
TRANSMITTER OUTPUTS
VCC Mode Switch Point
(VCC Falling)
VCC Mode Switch Point
(VCC Rising)
VCC Mode Switch Point Hysteresis
Output Voltage Swing
Output Resistance
Output Short-Circuit Current
Output Leakage Current
ESD PROTECTION
R_IN, T_OUT
tWU
VCC = +5.0V, Figure 3b
100
µs
IOUT = 0.8mA
IOUT = -0.5mA
VCC - 0.4
0.4
V
VCC - 0.1
V
T_OUT = ±5.0V to ±3.7V
2.85
3.1
V
T_OUT = ±3.7V to ±5.0V
3.3
3.7
V
400
mV
All transmitter
VCC = +3.1V to
+5.5V, VCC falling
±5
±5.4
outputs loaded with
V
3kΩ to ground.
VCC = +2.5V to
+2.9V
±3.7
VCC = V+ = V- = 0, T_OUT = ±2V
300 10M
Ω
±60
mA
T_OUT = ±12V, transmitters disabled
±25
µA
Human Body Model
IEC 1000-4-2 Air-Gap Discharge
IEC 1000-4-2 Contact Discharge
±15
±15
kV
±8
_______________________________________________________________________________________ 3
Share Link: 