Datasheet

MAX1153/MAX1154
Stand-Alone, 10-Channel, 10-Bit System Monitors
with Internal Temperature Sensor and V
DD
Monitor
_______________________________________________________________________________________ 3
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Common-Mode Range Differentially configured inputs 0 V
DD
V
Common-Mode Rejection
Differentially configured inputs,
V
CM
= 0 to V
DD
90 dB
Input Leakage Current On-/off- leakage, V
IN
= 0 or V
DD
±0.1 ±1 μA
Input Capacitance (Note 7) 18 pF
TEMPERATURE MEASUREMENTS
T
A
= -40°C to +85°C ±1.2 ±3.0
MAX1153
T
A
= +25°C ±0.7
T
A
= -40°C to +85°C ±1.2 ±2.5
Internal Sensor Measurement
Error (Note 8)
MAX1154
T
A
= +25°C ±0.7
°C
T
A
= -40°C to +85°C ±2
Differential
T
A
= +25°C ±1
T
A
= -40°C to +85°C ±5
External Sensor Measurement
Error (Note 9)
Single ended
T
A
= +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 V
REF
MAX1154 2.456 4.096 4.168
V
REF Temperature Coefficient TC
REF
30 ppm/°C
REF Output Resistance 7 k
MAX1153 200 μV
RMS
REF Output Noise
MAX1154 160 dB
MAX1153 -70 -50 V
REF Power-Supply Rejection
MAX1154 -70 -50 μA
EXTERNAL REFERENCE
REF Input Voltage Range V
REF
1.0 V
DD
+ 0.05 V
V
REF
= +2.5V; f
SAMPLE
= 94ksps 15 40
REF Input Current I
REF
V
REF
= +2.5V; f
SAMPLE
= 0ksps ±1
μA
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +3.6V (MAX1153), V
DD
= +4.5V to +5.5V (MAX1154), V
REF
= +2.5V (MAX1153), V
REF
= +4.096V (MAX1154), f
SCLK
= 10MHz (50% duty cycle), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)