MAX1253 Datasheet, PDF (7/29 Pages) Maxim Integrated Products – Stand-Alone, 10-Channel, 12-Bit System Monitors with Internal Temperature Sensor and VDD Monitor

Stand-Alone, 10-Channel, 12-Bit System Monitors
with Internal Temperature Sensor and V_DD Monitor
Typical Operating Characteristics (continued)
(V_DD = +3V, V_REF = 2.5V (MAX1253); V_DD = 5V, V_REF = 4.096V (MAX1254); f_SCLK = 10MHz, C_REF = 0.1µF, T_A = +25°C, unless oth-
erwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
4.3 ^{INTERNAL REFERENCE (MODE 01)}
9 TEMPERATURE CHANNELS
3.9 AND VOLTAGE CHANNEL (V_DD/2)
3.5
9 VOLTAGE
CHANNELS AND
3.1
1 TEMPERATURE
CHANNEL
2.7
2.3
1.9
1 VOLTAGE
CHANNEL (V_DD/2)
1.5
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
700
600
MAX1254
500
400
300
MAX1253
200
100
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
SUPPLY CURRENT
vs. TEMPERATURE
2.6
2.5 9 TEMPERATURE CHANNELS AND
2.4 ^{1 VOLTAGE CHANNEL (VDD/2)}
2.3
2.2 _{9 VOLTAGE CHANNELS AND}
2.1 1 TEMPERATURE CHANNEL
2.0
1.9
1.8 1 VOLTAGE CHANNEL (VDD/2)
1.7
INTERNAL REFERENCE (MODE 01) MAX1253
1.6
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
700
MAX1254
600
V_DD = 5V
500
400
300
200
MAX1253
100
V_DD = 3V
0
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
SUPPLY CURRENT
vs. TEMPERATURE
5.0
INTERNAL REFERENCE (MODE 01) MAX1254
4.5
9 TEMPERATURE CHANNELS AND
1 VOLTAGE CHANNEL (V_DD/2)
4.0
9 VOLTAGE CHANNELS AND
3.5 _{1 TEMPERATURE CHANNEL}
3.0
1 VOLTAGE CHANNEL (V_DD/2)
2.5
2.0
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
GAIN AND OFFSET ERROR
vs. SUPPLY VOLTAGE
1.00
SINGLE ENDED
0.80
0.60
OFFSET ERROR
0.40
0.20
MAX1253
0
-0.20
-0.40
MAX1254
GAIN ERROR
-0.60
-0.80
-1.00
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
GAIN ERROR vs. TEMPERATURE
1.00
UNIPOLAR
0.90 _DIFFERENTIAL
0.80 ^{CONFIGURATION}
0.70
EXTERNAL
REFERENCE MODE
0.60
BIPOLAR DIFFERENTIAL
CONFIGURATION
EXTERNAL REFERENCE
MODE
0.50
0.40
0.30
0.20
0.10
UNIPOLAR SINGLE-ENDED
CONFIGURATION
0
EXTERNAL REFERENCE MODE
-0.10
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
OFFSET ERROR vs. TEMPERATURE
0.40
UNIPOLAR SINGLE-ENDED
CONFIGURATION
0.20
EXTERNAL REFERENCE
MODE
0 _UNIPOLAR
-0.20
DIFFERENTIAL
CONFIGURATION
BIPOLAR DIFFERENTIAL
CONFIGURATION
-0.40
EXTERNAL
REFERENCE MODE
EXTERNAL REFERENCE
MODE
-0.60
-0.80
-1.00
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
INTERNAL TEMPERATURE SENSOR
TEMPERATURE ERROR
1.00
MAX1253/MAX1254
0.80
0.60
GRADE A INTERNAL
0.40
SENSOR
0.20
0
-0.20
-0.40 _{GRADE B INTERNAL}
-0.60 SENSOR
-0.80
-1.00
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
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