Datasheet

MAX3316E–MAX3319E
±15kV ESD-Protected, 2.5V, 1µA, 460kbps,
RS-232 Compatible Transceivers
6 _______________________________________________________________________________________
0
100
300
200
400
500
0 1000500 1500 2000 2500 3000
TRANSMITTER SKEW vs.
LOAD CAPACITANCE (t
PLH
- t
PHL
)
MAX3316E TOC11
LOAD CAPACITANCE (pF)
TRANSMITTER SKEW (ns)
MAX3316E/MAX3317E
MAX3318E/MAX3319E
T1 TRANSMITTING AT 460kbps
T2 TRANSMITTING AT 20kbps
0
10
5
20
15
25
30
-40 0 20-20 40 60 80
MAX3318E/MAX3319E
READY TURN-ON TIME
vs. TEMPERATURE
MAX3316E TOC12
TEMPERATURE (°C)
READY TURN-ON TIME (µs)
0
40
120
80
160
200
-40 0-20 20 40 60 80
MAX3318E/MAX3319E
READY TURN-OFF TIME
vs. TEMPERATURE
MAX3316E TOC13
TEMPERATURE (°C)
READY TURN-OFF TIME (ns)
Typical Operating Characteristics (continued)
(V
CC
= +2.5V, C1–C4 = 0.1µF, 460kbps data rate, all transmitters loaded with 3kΩ, T
A
= +25°C, unless otherwise noted.)
Pin Description
—
—
MAX3318E
2
3
4
8, 17
7
6
5
19
18
12, 13
10, 15
9, 16
No Connection
Receiver Enable, Active Low
FUNCTION
Positive Terminal of Voltage-Doubler Charge-
Pump Capacitor
+2 · V
CC
Generated by the Charge Pump
Negative Terminal of Voltage-Doubler Charge-
Pump Capacitor
RS-232 Transmitter Outputs
-2 · V
CC
Generated by the Charge Pump
Negative Terminal of Inverting Charge-Pump
Capacitor
Positive Terminal of Inverting Charge-Pump
Capacitor
+2.25V to +3.0V Single-Supply Voltage
Ground
CMOS Transmitter Inputs
CMOS Receiver Outputs
RS-232 Receiver Inputs
—
—
MAX3319E
2
3
4
13
7
6
5
15
14
11
9
8
N.C.
EN
NAME
C1+
V+
C1-
T_OUT
V-
C2-
C2+
V
CC
GND
T_IN
R_OUT
R_IN
— 1, 10, 11, 20 11, 14
— 1
MAX3316E
MAX3317E
1 2 2
PIN
2 3 3
3 4 4
7, 14 8, 17 8, 17
6 7 7
5 6 6
4 5 5
16 19 19
15 18 18
10, 11 13, 14 12, 13
9, 12 12, 15 10, 15
8, 13 9, 16 9, 16
SSOP TSSOP