MAX7315 Maxim, MAX7315 Datasheet - Page 5

• Manufacturer Part Number: MAX7315
• Description: The MAX7315 I²C-/SMBus™-compatible serial interfaced peripheral provides microprocessors with 8 I/O ports
• Manufacturer: Maxim

(T
Control, Interrupt, and Hot-Insertion Protection
A
= +25°C, unless otherwise noted.)
0.6
0.5
0.4
0.3
0.2
0.1
0
PORT OUTPUT LOW VOLTAGE WITH 50mA
-40
MASTER INTENSITY SET TO 1/15
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 15/16
LOAD CURRENT vs. TEMPERATURE
SCOPE SHOT OF 2 OUTPUT PORTS
-25
V+ = 2V
-10 5 20 35 50
TEMPERATURE (°C)
_______________________________________________________________________________________
2ms/div
V+ = 2.7V
V+ = 3.6V
8-Port I/O Expander with LED Intensity
65 80
95
MAX7315 toc07
110
125
OUTPUT 1,
2V/div
OUTPUT 2,
2V/div
0.6
0.5
0.4
0.3
0.2
0.1
Typical Operating Characteristics (continued)
0
PORT OUTPUT LOW VOLTAGE WITH 20mA
-40
ALL OUTPUTS LOADED
MASTER INTENSITY SET TO 14/15
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 14/15
LOAD CURRENT vs. TEMPERATURE
-25
SCOPE SHOT OF 2 OUTPUT PORTS
-10
5
TEMPERATURE (°C)
20
V+ = 2V
V+ = 2.7V
2ms/div
35
50
65
V+ = 3.6V
80
95
MAX7315 toc08
110
125
OUTPUT 1,
2V/div
OUTPUT 2,
2V/div
1.050
1.025
1.000
0.975
0.950
0.925
0.900
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-40
0
NORMALIZED TO V+ = 3.3V, T
-25
-10
PWM CLOCK FREQUENCY
10
V+ = 3.6V
SINK CURRENT vs. V
V+ = 3.3V
vs. TEMPERATURE
5
V+ = 2.7V
SINK CURRENT (mA)
TEMPERATURE (°C)
20
20
ONLY ONE OUTPUT LOADED
V+ = 2.7V
35
V+ = 2V
50
30
65
A
= +25°C
80
V+ = 2V
V+ = 3.6V
OL
40
95
110
125
50
5