参数资料
型号: ADM1021AARQ
厂商: ANALOG DEVICES INC
元件分类: 模拟信号调理
英文描述: Low-Cost Microprocessor System Temperature Monitor
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封装: MO-137AB, QSOP-16
文件页数: 3/12页
文件大小: 163K
代理商: ADM1021AARQ
ADM1021A
–3–
REV. A
ABSOLUTE MAXIMUM RATINGS
*
Positive Supply Voltage (V
DD
) to GND . . . . . . –0.3 V to +6 V
D+, ADD0, ADD1 . . . . . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
D– to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.6 V
SCLK, SDATA,
ALERT
,
STBY
. . . . . . . . . . . –0.3 V to +6 V
Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
50 mA
Input Current, D– . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
1 mA
ESD Rating, All Pins (Human Body Model) . . . . . . . . 2000 V
Continuous Power Dissipation
Up to 70
°
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 mW
Derating above 70
°
C . . . . . . . . . . . . . . . . . . . . . 6.7 mW/
°
C
Operating Temperature Range . . . . . . . . . . –55
°
C to +125
°
C
Maximum Junction Temperature (T
J
max) . . . . . . . . . . 150
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature, (Soldering 10 sec) . . . . . . . . . . . . . 300
°
C
IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . . . . 220
°
C
*
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
THERMAL CHARACTERISTICS
16-Lead QSOP Package:
θ
JA
= 150
°
C/W.
ORDERING GUIDE
Temperature
Range
0
°
C to 100
°
C
Package
Description
Package
Option
Model
ADM1021AARQ
16-Lead QSOP RQ-16
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic Description
1, 5, 9, 13, 16 NC
2
3
No Connect
Positive Supply, 3 V to 5.5 V.
Positive Connection to Remote
Temperature Sensor.
Negative Connection to Remote
Temperature Sensor.
Three-State Logic Input, Higher
Bit of Device Address.
Supply 0 V Connection.
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.
Logic Input, SMBus Serial Clock.
Logic Input Selecting Normal
Operation (High) or Standby Mode
(Low).
V
DD
D+
4
D–
6
ADD1
7, 8
10
GND
ADD0
11
ALERT
12
SDATA
14
15
SCLK
STBY
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
NC = NO CONNECT
NC
V
DD
D+
D
NC
ADD1
GND
GND
NC
STBY
SCLK
NC
SDATA
ALERT
ADD0
NC
ADM1021A
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
P
S
P
t
HD;STA
t
SU;STA
t
SU;DAT
t
HIGH
t
F
t
HD;DAT
t
R
t
LOW
t
HD;STA
t
BUF
S
SCL
SDA
t
SU;STO
Figure 1. Diagram for Serial Bus Timing
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