Rainbow Electronics MAX1364 - Manual (Page 8)

MAX1363/MAX1364
4-Channel, 12-Bit System Monitors with Programmable
Trip Window and SMBus Alert Response
8 _______________________________________________________________________________________
PIN NAME FUNCTION
1 AIN0 Analog Input
2 AIN1 Analog Input
3 AIN2 Analog Input
4 AIN3/V REF Analog Input or Reference Input or Output. See Table 3.
5 A0 I 2 C Address Select Input. Connect to V DD or GND. See Table 1.
6 INT Active-Low, Open-Drain Interrupt Output
7 SCL I 2 C Clock Input
8 SDA I 2 C Data Input/Output
9 GND Ground
10 V DD Positive Supply Voltage. Bypass V DD to GND with a 0.1µF capacitor.
Pin Description
MAX1363/MAX1364
12-BIT
ADC
4:1
MUX
CONTROL
TRIP
THRESHOLDS
I 2 C
INTERFACE
SDA
SCL
A0
INT
CLK
INT
REF
GND
V DD
AIN0
AIN1
AIN2
AIN3/
REF
Functional Diagram
0
0.3
0.2
0.1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
2.7 3.7 3.2 4.2 4.7 5.2
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1363/64 toc13
V DD (V)
GAIN ERROR (LSB)
MONITOR-MODE SUPPLY CURRENT
vs. SPEED
MAX1363/64 toc14
SPEED (ksps)
SUPPLY CURRENT (
µ
A)
125 100 75 50 25
100
200
300
400
500
600
700
0
0 150
INTERNAL REF
EXTERNAL REF
Typical Operating Characteristics (continued)
(V DD = 3.3V (MAX1363), V DD = 5V (MAX1364), f SCL = 1.7MHz, external clock, f SAMPLE = 94.4ksps, single-ended, unipolar,
T
A
= +25°C, unless otherwise noted.)