MAX7320 Maxim, MAX7320 Datasheet - Page 4

• Manufacturer Part Number: MAX7320
• Description: The MAX7320 2-wire serial-interfaced peripheral features eight push-pull outputs with selectable power-up logic states
• Manufacturer: Maxim

I
(T
4
4–7, 9–12 2–5, 7–10
2
A
QSOP
= +25°C, unless otherwise noted.)
1, 3
_______________________________________________________________________________________
C Port Expander with Eight Push-Pull Outputs
13
14
15
16
—
2
8
PIN
TQFN
15, 1
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
EP
16
11
12
13
14
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
6
0
0
-40
-40 -25 -10 5 20 35 50 65 80 95 110 125
STANDBY CURRENT vs. TEMPERATURE
V+ = +5.0V
I
-25
SINK
V+ = +2.5V
-10 5
= 5mA
OUTPUT VOLTAGE LOW
AD0, AD2
O0–O7
NAME
vs. TEMPERATURE
GND
N.C.
SDA
SCL
TEMPERATURE (°C)
TEMPERATURE (°C)
RST
V+
EP
20 35 50 65 80 95 110 125
V+ = +2.5V
I
SINK
V+ = +3.3V
= 2mA
V+ = +1.71V
I
V+ = +1.71V
SINK
V+ = +5.0V
Address Inputs. Select device slave address with AD0 and AD2. Connect AD0 and AD2
to either GND, V+, SCL, or SDA to give four logic combinations (see Table 3).
Reset Input, Active Low. Drive RST low to clear the 2-wire interface.
Output Ports. O0 to O7 are push-pull outputs.
Ground
No Connection. Not internally connected.
I
I
Positive Supply Voltage. Bypass V+ to GND with a 0.047µF ceramic capacitor.
Exposed Pad. Connect exposed pad to GND.
V+ = +3.3V
I
2
2
SINK
C-Compatible Serial Clock Input
C-Compatible Serial Data I/O
= 1mA
f
SCL
= 3mA
= 0kHz
Typical Operating Characteristics
60
50
40
30
20
10
6
5
4
3
2
1
0
0
FUNCTION
-40
-40 -25 -10 5 20 35 50 65 80 95 110 125
SUPPLY CURRENT vs. TEMPERATURE
V+ = +2.5V
I
SOURCE
-25
V+ = +2.5V
-10 5 20
OUTPUT VOLTAGE HIGH
= 2mA
vs. TEMPERATURE
V+ = +1.71V
V+ = +3.3V
TEMPERATURE (°C)
TEMPERATURE (°C)
V+ = +1.71V
I
SOURCE
35 50 65 80 95 110 125
= 1mA
V+ = +5.0V
V+ = +5.0V
I
V+ = +3.3V
I
SOURCE
SOURCE
Pin Description
f
SCL
= 400kHz
= 5mA
= 3mA