ADM1034ARQZ-R7 ON Semiconductor, ADM1034ARQZ-R7 Datasheet - Page 4

• Manufacturer Part Number: ADM1034ARQZ-R7
• Description: IC THERM/FAN SPEED CTLR 16-QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1034ARQZ-R7

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
Power Supply
Temperature−to−Digital Converter
Open−Drain Digital Outputs (ALERT, THERM, FAN_FAULT, DRIVE1, DRIVE2) (Note 3)
Digital Input Leakage Current (TACH1, TACH2)
Digital Input Logic Levels (TACH1, TACH2)
Open−Drain Serial Data Bus Output (SDA)
Serial Data Bus Inputs (SCL, SDA)
Analog Inputs (Location, REF)
1. Typicals are at T
2. Operation at 5.5 V is guaranteed by design, not production tested.
3. Recommend use of 100 kW pullup resistors for all open−drain outputs from the ADM1034.
4. Guaranteed by design, not production tested.
5. SMBus timeout disabled by default. See the SMBus section for more information.
Supply Voltage, V
Supply Current, I
Undervoltage Lockout Threshold
Power−On Reset Threshold
Internal Sensor Accuracy
Resolution
External Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
Series Resistance Cancellation
Power Supply Sensitivity
Conversion Time (Local Temperature)
Conversion Time (Remote Temperature)
Total Conversion Time
Output Low Voltage, V
High Level Output Leakage Current, I
Input High Current, I
Input Low Current, I
Input Capacitance, C
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Output Low Voltage, V
High Level Output Leakage Current, I
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Input Resistance
specifications are tested at logic levels of V
Parameter
CC
CC
IL
A
IH
IL
IL
(Note 2)
IN
IH
IH
= 25°C and represent most likely parametric norm. Standby current typ. is measured with V
OL
OL
OH
OH
(T
A
Interface inactive, ADC active
Standby mode
+20°C ≤ T
−40°C ≤ T
−40°C ≤ T
−40°C ≤ T
−40°C ≤ T
High level
Mid level
Low level
Averaging enabled
Averaging enabled
Averaging enabled
I
V
−V
V
I
V
OUT
OUT
= T
OUT
IN
OUT
IL
IN
= 0
MIN
= 0.8 V for a falling edge and V
= −6.0 mA; V
= V
= −6.0 mA; V
= V
= V
Test Conditions / Comments
to T
CC
CC
CC
D
A
A
D
D
≤ +60°C
≤ +100°C
≤ +100°C; −40°C ≤ T
≤ +100°C; T
≤ +100°C; +20°C ≤ T
; V
MAX
http://onsemi.com
CC
, V
= 3 V
CC
CC
CC
= +3 V
= V
4
A
MIN
= +40°C
to V
A
A
MAX
≤ +100°C
≤ +60°C
IH
, unless otherwise noted. (Note 1)
= 2.1 V for a rising edge.
−1.0
−0.3
Min
3.0
1.0
2.0
2.1
80
0.03125
0.03125
3.30
±1.0
±0.5
±1.0
±1.0
Typ
500
500
125
2.5
5.5
0.1
7.0
0.1
87
33
11
32
75
±1.25
1000
CC
Max
±2.0
±2.5
±1.0
±2.5
+0.8
900
160
3.6
3.0
2.4
0.4
1.0
1.0
5.5
0.4
1.0
0.8
= 3.3 V. Timing
mV p−p
Unit
%/V
mA
mV
ms
ms
ms
kW
mA
mA
mA
mA
mA
pF
mA
°C
°C
°C
°C
W
V
V
V
V
V
V
V
V
V