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
Typical Operating Characteristics (continued)
(VCC = AVCC = 3.3V, GND = AGND = PGND, C1–C4 = 0.1µF, RL = 3kΩ, TA = +25°C, unless otherwise noted.)
RXD OUTPUT PULSE WIDTH vs. DISTANCE
(115.2 kbps)
4.0
TRANSMITTER POWER = 200mW/sr
INPUT PULSE WIDTH = 1.63µs
3.5
TEMIC BPV22NF
VCC = 3.3V
3.0
2.5
2.0
1.5
1.0
0
20
40
60
80 100
DISTANCE (cm)
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
6
5
VOUT+
4
3
1 TRANSMITTER AT 235kbps
1 TRANSMITTER AT 15kbps
2
1
0
-1
-2
-3
-4
VOUT-
-5
-6
0
1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
RS-232 TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
18
16
14
-SLEW
12
10
8
+SLEW
6
4
2
0
0 1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
SUPPLY CURRENT vs. LOAD CAPACITANCE
(RS-232 TRANSMITTING)
40
1 TRANSMITTER DRIVEN ONLY
35
235kbps
30
25
120kbps
20
15
20kbps
10
5
0
0
1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
RXD OUTPUT
vs. INFRARED INPUT
MAX3130 toc11
RXD OUTPUT
vs. INFRARED INPUT
MAX3130 toc12
2V/div
RXD
OUTPUT
2V/div
RXD
OUTPUT
2V/div
INFRARED
INPUT
2V/div
INFRARED
INPUT
2µs/div
VCC = 3.3V, 115.2kbps AT 1cm DISTANCE
TEMIC BPV22NF
TRANSMIT POWER 200mW/sr
100µs/div
VCC = 3.3V, 2400bps AT 1cm DISTANCE
TEMIC BPV22NF
TRANSMIT POWER 200mW/sr
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