
MAX1153/MAX1154
Stand-Alone, 10-Channel, 10-Bit System Monitors
with Internal Temperature Sensor and VDD Monitor
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Common-Mode Range
Differentially configured inputs
0
VDD
V
Common-Mode Rejection
Differentially configured inputs,
VCM = 0 to VDD
90
dB
Input Leakage Current
On-/off- leakage, VIN = 0 or VDD
±0.1
±1
μA
Input Capacitance
(Note 7)
18
pF
TEMPERATURE MEASUREMENTS
TA = -40°C to +85°C
±1.2
±3.0
MAX1153
TA = +25°C
±0.7
TA = -40°C to +85°C
±1.2
±2.5
Internal Sensor Measurement
Error (Note 8)
MAX1154
TA = +25°C
±0.7
°C
TA = -40°C to +85°C
±2
Differential
TA = +25°C
±1
TA = -40°C to +85°C
±5
External Sensor Measurement
Error (Note 9)
Single ended
TA = +25°C
±2
°C
Differentially configured inputs and
internal sensor
0.1
Temperature Measurement Noise
Single-ended configured, external sensor
0.5
°C
Temperature Resolution
0.5
°C/LSB
Low
4
External Sensor Bias Current
High
66
μA
Differentially configured inputs and
internal sensor
0.3
Power-Supply Rejection
PSR
Single-ended configured, external sensor
0.1
°C/V
INTERNAL REFERENCE
MAX1153
2.456
2.500
2.544
REF Output Voltage
VREF
MAX1154
2.456
4.096
4.168
V
REF Temperature Coefficient
TCREF
30
ppm/°C
REF Output Resistance
7
k
MAX1153
200
μVRMS
REF Output Noise
MAX1154
160
dB
MAX1153
-70
-50
V
REF Power-Supply Rejection
MAX1154
-70
-50
μA
EXTERNAL REFERENCE
REF Input Voltage Range
VREF
1.0
VDD + 0.05
V
VREF = +2.5V; fSAMPLE = 94ksps
15
40
REF Input Current
IREF
VREF = +2.5V; fSAMPLE = 0ksps
±1
μA
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX1153), VDD = +4.5V to +5.5V (MAX1154), VREF = +2.5V (MAX1153), VREF = +4.096V (MAX1154), fSCLK
= 10MHz (50% duty cycle), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)