ADM1028ARQ ON Semiconductor, ADM1028ARQ Datasheet - Page 2

• Manufacturer Part Number: ADM1028ARQ
• Description: IC SENSOR TEMP/FAN CTRL 16QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1028ARQ

• Rohs Status: RoHS non-compliant
• Function: Fan Control, Temp Monitor
• Topology: ADC, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 100°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP

ADM1028–SPECIFICATIONS
Parameter
POWER SUPPLY
TEMPERATURE-TO-DIGITAL CONVERTER
ANALOG OUTPUT
THERMA OUTPUT
DIGITAL OUTPUT THERMA/NTEST_OUT,
OPEN-DRAIN DIGITAL OUTPUTS
FAN SPEED RAMP RATES
OPEN-DRAIN SERIAL DATA
SERIAL BUS DIGITAL INPUTS
DIGITAL INPUT LOGIC LEVELS
DIGITAL INPUT LEAKAGE CURRENT
Supply Voltage, V
Supply Current, I
Internal Sensor Accuracy
Resolution
External Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
Output Voltage Range
Total Unadjusted Error, TUE
Full-Scale Error
Zero Error
Differential Nonlinearity, DNL
Integral Nonlinearity
Output Source Current
Output Sink Current
THERMA Pull-Up Resistance
R_OFF
(INT, THERMB, FAN_OFF, R_RST)
Counter Frequency
BUS OUTPUT (SDA)
(SCL, SDA)
(FAN_SPD/TEST_IN, GPI)
(ALL DIGITAL INPUTS)
Output High Voltage, V
Output Low Voltage, V
Output Low Voltage, V
High Level Output Leakage Current, I
Output Low Voltage, V
High Level Output Leakage Current, I
Input High Voltage, V
Input Low Voltage, V
Input Leakage Current
Hysteresis
Input High Voltage, V
Input Low Voltage, V
Input High Current, I
Input Low Current, I
Input Capacitance, C
CC
CC
IL
IN
IL
IL
IH
IH
IH
OL
OL
OL
OH
OH
OH
1, 2
Min
3.0
0
9
2.4
1 ± 50%
2.1
2.2
–1
3
(T
–2–
A
Typ
3.30
2
1
1
120
7
± 1
± 2
± 1
2
1
12
0.1
0.1
500
–0.005
+0.005
6
= T
MIN
to T
Max
5.5
3.2
± 3
± 2
± 5
± 3
2.5
± 3
± 3
± 1
14
0.4
0.4
1
16 ± 50%
0.4
1
0.8
± 5
0.8
+1
9
MAX
, V
CC
= V
MIN
to V
Unit
V
mA
∞C
∞C
∞C
∞C
∞C
∞C
mA
mA
V
%
%
LSB
LSB
LSB
mA
mA
kW
V
V
V
mA
Hz
V
mA
V
V
mA
mV
V
V
mA
mA
pF
MAX
, unless otherwise noted.)
Test Conditions
Interface Inactive, ADC Active
60∞C £ T
60∞C £ T
High Level (D+ = D– + 0.65 V)
Low Level (D+ = D– + 0.65 V)
I
No Load
Monotonic by Design
I
I
V
I
V
Note 4
V
V
Note 4
L
OUT
OUT
OUT
OUT
OUT
IN
IN
= 2 mA
= V
= 0
= 3.0 mA
= –3.0 mA
= –3.0 mA
= V
= V
CC
A
A
CC
CC
£ 100∞C
£ 100∞C
3
REV. B