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MAX3325 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX3325
Description  3V Dual RS-232 Transceiver with LCD Supply and Contrast Controller
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3325 Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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3V Dual RS-232 Transceiver with
LCD Supply and Contrast Controller
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +3.0V to +3.6V, VL = +3.3V, circuit and components of Figure 1, TA = TMIN to TMAX, unless otherwise noted. Typical values
are at VDD = +3.3V, TA = +25°C.)
CONDITIONS
UNITS
MIN
TYP
MAX
PARAMETER
LCD Line Regulation
3V < VDD < 3.6V, VLCD = -4.0V
10
mV
LCD Adjustment Range
Load = -3mA
-5
+2
V
Output Voltage
RREF+ = 10kΩ
1.16
1.21
1.26
V
Load Regulation
Load = 12µA to 62µA (sourcing current)
4
mV
Short-Circuit Current
5
mA
Output Voltage
No load
-1.14
-1.21
-1.28
V
Load Regulation
Load = 0 to 50µA (sinking current)
35
mV
Short-Circuit Current
0.125
mA
Logic Threshold High
2
V
Logic Threshold Low
0.8
V
Input Current
VIN = GND or VDD
-1
1
µA
Output Voltage Low
ISINK = 1.6mA
0.4
V
Output Voltage High
ISOURCE = 1.0mA
0.8
· VL
V
Input Voltage Range
-25
+25
V
Input Threshold Low
TA = +25°C, VDD = 3.3V
0.6
V
Input Threshold High
TA = +25°C, VDD = 3.3V
2.4
V
Input Hysteresis
0.3
V
Input Resistance
-15V < VR_IN < +15V, TA = +25°C
35
7
k
Output Voltage Swing
All outputs loaded with 3k
Ω to ground
±5
±5.4
V
Output Resistance
VDD = VL = V+ = V- = 0, VOUT = ±2V
300
10M
Short-Circuit Current
±35
±60
mA
Output Leakage Current
VDD = 0 or 3V to 3.6V, VOUT = ±12V, transmitters
disabled
±25
µA
POSITIVE REFERENCE VOLTAGE
NEGATIVE REFERENCE VOLTAGE
LOGIC INPUTS (
SD232, SDLCD, T1IN, T2IN, UP, DOWN)
TRANSMITTER OUTPUTS
RECEIVER INPUTS
RECEIVER OUTPUTS


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