MAX3130 データシートの表示（PDF） - Maxim Integrated
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MAX3130 Datasheet PDF : 16 Pages
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3V to 5.5V, IrDA Infrared Transceiver with
Integrated RS-232 Interface
ELECTRICAL CHARACTERISTICS (continued)
(VCC = AVCC = 3.0V to 5.5V, GND = AGND = PGND, C1–C4 = 0.1µF (Note 1), TA = TMIN to TMAX, unless otherwise noted. Typical
values are at TA = +25°C and VCC = AVCC = 3.3V.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Transition-Region Slew Rate
VCC = 3.3V, RL = 3kΩ to CL = 150pF to 1000pF
6
7kΩ, measured from
+3V to -3V or -3V to +3V,
TA = +25°C
CL = 150pF to 2500pF
4
30
V/µs
30
Transmitter Enable Time
Delay until transmitter outputs are valid
100
µs
Note 1: C1–C4 = 0.1µF, tested at +3.3V ±10%. C1 = 0.047µF, C2–C4 = 0.33µF, tested at +5.0V ±10%.
Note 2: All supply current measurements are made under no-load condition on all outputs, and all input voltages are at VCC or GND.
Note 3: For a compliant IrDA input signal where the data rate is within the supported data rate for the IR receive mode: rise/fall
times are less than 600ns and pulse widths are between 1.41µs and 3/16 of the baud rate.
Typical Operating Characteristics
(VCC = AVCC = 3.3V, GND = AGND = PGND, C1–C4 = 0.1µF, RL = 3kΩ, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
380
360
340
VCC = 3.3V or 5V
320
300
280
260
240
220
200
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
LED DRIVER ON-RESISTANCE
vs. TEMPERATURE
1.6
1.4
VCC = 3.3V
1.2
1.0
0.8
VCC = 5V
0.6
0.4
0.2
ILEDC = 200mA
0
-40 -20 0 20 40 80 100
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
150
140
AVCC = 5V
130
120
110
AVCC = 3.3V
100
90
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
LEDC VOLTAGE vs. LEDC CURRENT
600
500
400
VCC = 3.3V
300
200
VCC = 5V
100
PULSED AT
20% DUTY CYCLE
0
100 150 200 250 300 350 400
LEDC CURRENT (mA)
AMBIENT PHOTODIODE CURRENT
REJECTION vs. SUPPLY VOLTAGE
500
400
300
200
100
0
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
RXD OUTPUT PULSE WIDTH
vs. DISTANCE (2400bps)
100
TRANSMITTER POWER = 200mW/sr
INPUT PULSE WIDTH = 78µs
80
TEMIC BPV22NF
VCC = 3.3V
60
40
20
0
0
20
40
60
80 100
DISTANCE (cm)
4 _______________________________________________________________________________________
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