MAX1361 Datasheet, PDF (8/24 Pages) Maxim Integrated Products – 4-Channel, 10-Bit, System Monitors with Programmable Trip Window and SMBus Alert Response

4-Channel, 10-Bit, System Monitor with Programmable
Trip Window and SMBus Alert Response
Typical Operating Characteristics (continued)
(V_DD = 3.3V (MAX1361), V_DD = 5V (MAX1362), f_SCL = 1.7MHz, external clock, f_SAMPLE = 94.4ksps, single-ended, unipolar,
T_A = +25°C, unless otherwise noted.)
GAIN ERROR vs. SUPPLY VOLTAGE
1.0
0.9
0.8
MONITOR-MODE SUPPLY CURRENT
vs. SPEED
700
600
0.7
500
0.6
INTERNAL REF
400
0.5
0.4
300
0.3
EXTERNAL REF
200
0.2
0.1
100
0
2.7 3.2 3.7 4.2 4.7 5.2
V_DD (V)
0
0 25 50 75 100 125 150
SPEED (ksps)
Pin Description
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
I²C Address Select Input. Connect to V_DD or GND. See Table 1.
6
INT
Active-Low, Open-Drain Interrupt Output
7
SCL
I²C Clock Input
8
SDA
I²C Data Input/Output
9
GND
Ground
10
V_DD
Positive Supply Voltage. Bypass V_DD to GND with a 0.1µF capacitor.
Functional Diagram
AIN0
AIN1
AIN2
AIN3/
REF
V_DD
I²C
SDA
CLK
INTERFACE
SCL
A0
4:1
MUX
10-BIT
ADC
CONTROL
INT
INT
TRIP
REF
THRESHOLDS
MAX1361/MAX1362
GND
8 _______________________________________________________________________________________