ADM1024
Table 4. ELECTRICAL CHARACTERISTICS
(T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless otherwise noted. (Note 1 and 2))
Parameter
POWER SUPPLY
Supply Voltage, V
CC
Supply Current, I
CC
Interface Inactive, ADC Active
ADC Inactive, DAC Active
Shutdown Mode
0C
T
A
100C
T
A
= 25C
0C
T
A
100C
25C
High level
Low level
(Note 3)
2.8
−
−
−
−
−
−
−
−
−
80
4.0
−
−
−
−
(Note 4)
(Note 4)
−
−
80
−
0
I
L
= 2 mA
No Load
Monotonic by Design
−
−
−
−
−
−
−
0C
T
A
100C
Divisor = 1, Fan Count = 153
Divisor = 2, Fan Count = 153
Divisor = 3, Fan Count = 153
Divisor = 4, Fan Count = 153
0C
T
A
100C
I
OUT
= +3.0 mA, V
CC
= 2.85 V
−3.60
V
I
OUT
=
−3.0
mA, V
CC
= 2.85 V
−3.60
V
I
OUT
= 3.0 mA, V
CC
= 3.60 V
V
OUT
= V
CC
−
−
−
−
−
−
19.8
2.4
−
−
−
20
3.3
1.4
1.0
45
−
−
1.0
−
3.0
1.0
110
6.5
−
−
−
1.0
754.8
9.6
140
5.0
−
−
1.0
2.0
−
1.0
2.0
1.0
−
−
8800
4400
2200
1100
22.5
−
−
−
0.1
45
5.5
3.5
−
145
V
mA
mA
C
C
C
C
mA
Test Conditions/Comments
Min
Typ
Max
Unit
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
Resolution
External Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
3.0
2.0
−
5.0
−
−
150
9.0
ANALOG-TO-DIGITAL CONVERTER (Including MUX and ATTENUATORS)
Total Unadjusted Error (TUE) (12 V
IN
)
TUE (A
IN
, V
CCP
, 2.5 V
IN
, 5.0 V
IN
)
Differential Non-linearity (DNL)
Power Supply Sensitivity
Conversion Time
(Analog Input or Internal Temperature)
Conversion Time (External Temperature)
Input Resistance (2.5 V, 5.0 V, 12 V, V
CCP1
, V
CCP2
)
Input Resistance (A
IN1
, A
IN2
)
ANALOG OUTPUT
Output Voltage Range
Total Unadjusted Error (TUE)
Full-Scale Error
Zero-Scale Error
Differential Non-linearity (DNL)
Integral Non-linearity
Output Source Current
Output Sink Current
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
FAN1 to FAN2 Nominal Input RPM (Note 5)
12
255
−
−
−
−
25.2
−
0.4
0.4
100
−
RPM
%
2.5
3.0
5.0
−
1.0
−
−
−
V
%
%
LSB
LSB
LSB
mA
mA
4.0
3.0
1.0
−
856.8
−
200
−
%
%
LSB
%/V
ms
ms
kW
MW
Internal Clock Frequency
DIGITAL OUTPUTS (NTEST_OUT)
Output High Voltage, V
OH
Output Low Voltage, V
OL
Output Low Voltage, V
OL
High Level Output Leakage Current, I
OH
RESET and CI Pulsewidth
kHz
V
V
V
mA
ms
OPEN-DRAIN DIGITAL OUTPUTS (INT, THERM, RESET)
(Note 6)
http://onsemi.com
4
ONSEMI [ ON SEMICONDUCTOR ]
