ADM1031ARQ-REEL7 ON Semiconductor, ADM1031ARQ-REEL7 Datasheet - Page 4

• Manufacturer Part Number: ADM1031ARQ-REEL7
• Description: IC SENSOR 2-TEMP/FAN CTRL 16QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1031ARQ-REEL7

• Rohs Status: RoHS non-compliant
• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 100°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP

1. Typicals are at T
2. ADD is a three−state input that can be pulled high, low, or left open−circuit.
3. Timing specifications are tested at logic levels of V
ELECTRICAL CHARACTERISTICS
OPEN−DRAIN SERIAL DATA BUS OUTPUT (SDA)
SERIAL BUS DIGITAL INPUTS (SCL, SDA)
DIGITAL INPUT LOGIC LEVELS (Note 2) (ADD, THERM, TACH1/2)
DIGITAL INPUT LEAKAGE CURRENT
FAN RPM−TO−DIGITAL CONVERTER
SERIAL BUS TIMING (Note 3)
Output Low Voltage, V
High−Level Output Leakage Current, I
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Input High Voltage, V
Input Low Voltage, V
Input High Current, I
Input Low Current, I
Input Capacitance, C
Accuracy
Full−Scale Count
TACH Nominal Input RPM
Conversion Cycle Time
Clock Frequency, f
Glitch Immunity, t
Bus Free Time, t
Start Setup Time, t
Start Hold Time, t
Stop Condition Setup Time, t
SCL Low Time, t
SCL High Time, t
SCL, SDA Rise Time, t
SCL, SDA Fall Time, t
Data Setup Time, t
Data Hold Time, t
SDA
SCL
P
t
Parameter
BUF
BUF
LOW
HIGH
SW
HD
HD;DAT
A
SCLK
SU;STA
SU;DAT
= 25°C and represent most likely parametric norm. Shutdown current typ is measured with V
IL
;
S
IH
IL
IL
STA
IH
IH
IN
F
OL
R
t
HD:STA
SU;STO
t
LOW
t
R
OH
t
HD:DAT
T
A
Figure 2. Diagram for Serial Bus Timing
= T
I
V
V
V
60°C ≤ T
Divisor N = 1, Fan Count = 153
Divisor N = 2, Fan Count = 153
Divisor N = 4, Fan Count = 153
Divisor N = 8, Fan Count = 153
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
See Figure 2
MIN
OUT
OUT
IN
IN
= V
= 0
to T
IL
= –6.0 mA; V
t
= V
HIGH
= 0.8 V for a falling edge and V
CC
MAX
Test Conditions/Comments
A
http://onsemi.com
CC
t
F
≤ 100°C
t
SU:DAT
, V
CC
= V
CC
4
MIN
= 3.0 V
to V
MAX
S
, unless otherwise noted. (Note 1)
t
IH
SU:STA
= 2.2 V for a rising edge.
t
HD:STA
–1.0
Min
250
300
2.1
2.1
4.7
4.7
4.0
4.0
1.3
4.0
10
4400
2200
1100
Typ
500
550
637
0.1
5.0
t
50
SU:STO
CC
= 3.3 V.
1000
Max
±6.0
255
100
300
0.4
1.0
0.8
0.8
1.0
50
P
RPM
Unit
kHz
mV
mA
mA
mA
ms
pF
ns
ms
ms
ms
ms
ms
ms
ns
ns
ns
ns
%
V
V
V
V
V