MAX3325CAI-T Maxim Integrated, MAX3325CAI-T Datasheet - Page 5

• Manufacturer Part Number: MAX3325CAI-T
• Description: RS-232 Interface IC
• Manufacturer: Maxim Integrated
• Series: MAX3325r

Specifications of MAX3325CAI-T

• Data Rate: 250 Kbps
• Operating Supply Voltage: 3 V to 3.6 V
• Supply Current: 2 mA
• Operating Temperature Range: - 40 C to + 85 C
• Number Of I/os: 2 / 2
• Propagation Delay Time Ns: 300 ns

5V/div
2V/div
(V
DD
0
0
6
5
4
3
2
1
0
C
= V
0
L
= 2500pF
TRANSMITTER OUTPUTS EXITING
V
C1–C4 = 0.1 F
CC
L
SHUTDOWN OR POWERING UP
= +3.3V, circuit and components of Figure 1, all transmitters loaded with 3kΩ and C
= 3.3V
V
REG
10
LOAD CURRENT (mA)
vs. LOAD CURRENT
40 s/div
V
DD
_______________________________________________________________________________________
20
= +3V
V
DD
30
V
DD
= +3.3V
MAX3325toc04
= +3.6V
LCD Supply and Contrast Controller
40
T2OUT
T1OUT
SD232
3V Dual RS-232 Transceiver with
T1OUT/
R1OUT
5V/div
5V/div
5V/div
T1IN
R1IN
Typical Operating Characteristics (continued)
6
5
4
3
2
1
0
0
C
LOOPBACK WAVEFORMS AT 120kbps
L
= 1000pF
V
REG
10
AND TEMPERATURE
LOAD CURRENT (mA)
vs. LOAD CURRENT
2 s/div
20
T
A
= +25°C
T
A
30
= +85°C
T
A
MAX3325toc05
= -40°C
40
L
, T
T1OUT/
R1OUT
5V/div
5V/div
5V/div
R1IN
A
T1IN
= +25°C, unless otherwise noted.)
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
-4.5
-40
C
LOOPBACK WAVEFORMS AT 250kbps
L
= 1000pF
-20
TEMP OUTPUT VOLTAGE
vs. TEMPERATURE
0
TEMPERATURE (°C)
20
1 s/div
40
60
MAX3325toc06
80
5
100