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參數(shù)資料
| 型號(hào)： | ADM1021 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Cost Microprocessor System Temperature Monitor |
| 中文描述： | 低成本的微處理器系統(tǒng)溫度監(jiān)控 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大?。?/td> | 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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相關(guān)代理商/技術(shù)參數(shù) |
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| ADM102-11/12VDC | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Analog IC |
| ADM102-11/24VDC | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Analog IC |
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| ADM1021AARQ | 功能描述:IC SENSOR TEMP DUAL3/5.5V 16QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線(xiàn) SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6 |
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