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参数资料
| 型号： | ADM1021 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Low Cost Microprocessor System Temperature Monitor |
| 中文描述： | 低成本的微处理器系统温度监控 |
| 文件页数： | 2/12页 |
| 文件大小： | 139K |
| 代理商： | ADM1021 |
–2–
REV. 0
ADM1021–SPECIFICATIONS
(T
A
= T
MIN
to T
MAX
, V
DD
= 3.0 V to 3.6 V, unless otherwise noted)
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
POWER SUPPLY AND ADC
Temperature Resolution
Temperature Error, Local Sensor
1
°
C
°
C
°
C
°
C
°
C
V
V
Guaranteed No Missed Codes
±
1
–3
–3
–5
3
2.5
+3
+3
+5
3.6
2.95
Temperature Error, Remote Sensor
T
A
= +60
°
C to +100
°
C
Supply Voltage Range
Undervoltage Lockout Threshold
Note 1
V
DD
Input, Disables ADC,
Rising Edge
2.7
Undervoltage Lockout Hysteresis
Power-On Reset Threshold
POR Threshold Hysteresis
Standby Supply Current
25
1.7
50
3
4
70
160
115
mV
V
mV
μ
A
μ
A
μ
A
μ
A
ms
0.9
2.2
V
DD
, Falling Edge
2
10
V
DD
= 3.3 V, No SMBus Activity
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
Low Level
Average Operating Supply Current
Auto-Convert Mode, Averaged Over 4 Seconds
Conversion Time
90
200
170
65
Remote Sensor Source Current
60
3.5
90
5.5
0.7
50
130
8
μ
A
μ
A
V
μ
A
D-Source Voltage
Address Pin Bias Current (ADD0, ADD1)
Momentary at Power-On Reset
SMBUS INTERFACE
Logic Input High Voltage, V
IH
STBY
, SCLK, SDATA
Logic Input Low Voltage, V
IL
STBY
, SCLK, SDATA
SMBus Output Low Sink Current
ALERT
Output Low Sink Current
Logic Input Current, I
IH
, I
IL
SMBus Input Capacitance, SCLK, SDATA
SMBus Clock Frequency
SMBus Clock Low Time, t
LOW
SMBus Clock High Time, t
HIGH
SMBus Start Condition Setup Time, t
SU:STA
SMBus Repeat Start Condition
Setup Time, t
SU:STA
SMBus Start Condition Hold Time, t
HD:STA
2.2
V
V
DD
= 3 V to 5.5 V
0.8
V
V
DD
= 3 V to 5.5 V
6
1
–1
mA
mA
μ
A
pF
kHz
μ
s
μ
s
μ
s
ns
SDATA Forced to 0.6 V
ALERT
Forced to 0.4 V
+1
5
0
4.7
4
4.7
250
100
t
LOW
Between 10% Points
t
HIGH
Between 90% Points
Between 90% and 90% Points
4
μ
s
Time from 10% of SDATA to
90% of SCLK
Time from 90% of SCLK to 10%
of SDATA
Time from 10% or 90% of
SDATA to 10% of SCLK
SMBus Stop Condition Setup Time, t
SU:STO
4
μ
s
SMBus Data Valid to SCLK
Rising Edge Time, t
SU:DAT
SMBus Data Hold Time, t
HD:DAT
SMBus Bus Free Time, t
BUF
SCLK Falling Edge to SDATA
Valid Time, t
VD,DAT
250
ns
0
4.7
μ
s
μ
s
μ
s
Between Start/Stop Condition
Master Clocking in Data
1
NOTES
1
Operation at V
DD
= +5 V guaranteed by design, not production tested.
2
Guaranteed by design, not production tested.
Specifications subject to change without notice.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM102-11/12VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM102-11/24VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM102-11/48VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM1021A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Low Cost Microprocessor System Temperature Monitor Microcomputer |
| ADM1021AARQ | 功能描述:IC SENSOR TEMP DUAL3/5.5V 16QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
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