ADM1021AARQ-REEL7 ON Semiconductor, ADM1021AARQ-REEL7 Datasheet - Page 3

• Manufacturer Part Number: ADM1021AARQ-REEL7
• Description: IC SENSOR TEMP DUAL3/5.5V 16QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1021AARQ-REEL7

• Rohs Status: RoHS non-compliant
• Function: Temp Monitoring System (Sensor)
• 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: No
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP

PIN ASSIGNMENT
ELECTRICAL CHARACTERISTICS
Power Supply and ADC
Temperature Resolution
Temperature Error, Local Sensor
Temperature Error, Remote Sensor
Supply Voltage Range (Note 2)
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
Power−On Reset Threshold
POR Threshold Hysteresis
Standby Supply Current
Average Operating Supply Current
Auto−convert Mode, Averaged Over 4
Sec
Conversion Time
Remote Sensor Source Current
D− Source Voltage
Address Pin Bias Current (ADD0, ADD1)
Pin No.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Parameter
Mnemonic
ALERT
SDATA
ADD1
ADD0
SCLK
STBY
GND
GND
V
NC
NC
NC
NC
NC
D+
D−
DD
(T
A
No Connect.
Positive Supply, 3.0 V to 5.5 V.
Positive Connection to Remote Temperature Sensor.
Negative Connection to Remote Temperature Sensor.
No Connect.
Three−State Logic Input, Higher Bit of Device Address.
Supply 0 V Connection.
Supply 0 V Connection.
No Connect.
Three−State Logic Input, Lower Bit of Device Address.
Open−Drain Logic Output Used as Interrupt or SMBus ALERT.
Logic Input/Output, SMBus Serial Data. Open−drain output.
No Connect.
Logic Input, SMBus Serial Clock.
Logic Input Selecting Normal Operation (High) or Standby Mode (Low).
No Connect.
= T
Guaranteed no missed codes
T
V
V
V
SCLK at 10 kHz
0.25 conversions/sec rate
2 conversions/sec rate
From stop bit to conversion complete
(both channels) D+ forced to D− + 0.65 V
High level (Note 3)
Low level (Note 3)
Momentary at power−on reset
A
DD
DD
DD
MIN
= 60°C to 100°C
, falling edge (Note 3)
input, disables ADC, rising edge
= 3.3 V, no SMBus activity
to T
Test Conditions / Comments
MAX
http://onsemi.com
ADM1021A
, V
DD
= 3.0 V to 3.6 V, unless otherwise noted. (Note 1)
3
Description
−3.0
−3.0
−5.0
Min
120
1.0
3.0
2.5
0.9
7.0
65
±1.0
Typ
130
225
205
115
2.7
1.7
1.0
4.0
0.7
25
50
12
50
+3.0
+3.0
+5.0
Max
2.95
200
370
170
300
3.6
2.2
5.0
16
Unit
mV
mV
mA
mA
mA
ms
mA
mA
°C
°C
°C
V
V
V
V