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參數資料
| 型號： | LMC7221 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output |
| 中文描述： | 微型CMOS比較與軌至軌輸入和開漏輸出 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 271K |
| 代理商： | LMC7221 |
AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
= 25C, V
+
= 5V, V
= 0V, V
CM
= V
O
= V
+
/2.
Boldface
limits apply at
the temperature extreme
Typ
LMC7221AI
Limit
(Note 6)
LMC7221BI
Limit
(Note 6)
Symbol
Parameter
Conditions
(Note 5)
Units
t
rise
Rise Time
f = 10 kHz, C
L
= 50 pF, (Note 9)
Overdrive = 10 mV, 5 k
Pullup
f = 10 kHz, C
L
= 50 pF, (Note 9)
Overdrive = 10 mV, 5 k
Pullup
f = 10 kHz,
C
L
= 50 pF,
5 k
Pullup
(Note 9)
V+ = 2.7V,
f = 10 kHz,
C
L
= 50 pF,
5 k
Pullup
(Note 9)
f = 10 kHz,
C
L
= 50 pF,
5 k
Pullup
(Note 9)
V+ = 2.7V,
f = 10 kHz,
C
L
= 50 pF,
5 k
Pullup
(Note 9)
0.3
μs
t
fall
Fall Time
0.3
μs
t
PHL
Propagation Delay
(High to Low)
(Note 11)
10 mV
100 mV
10
4
μs
10 mV
10
μs
100 mV
4
t
PLH
Propagation Delay
(Low to High)
(Note 11)
10 mV
100 mV
6
4
μs
10 mV
7
μs
100 mV
4
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is in-
tended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
Note 2:
Human body model, 1.5 k
in series with 100 pF.
Note 3:
Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the
maximum allowed junction temperature of 150C. Output currents in excess of
±
30 mA may adversely affect reliability.
Note 4:
The maximum power dissipation is a function of T
J(max)
,
θ
JA
, and T
A
. The maximum allowable power dissipation at any ambient temperature is
Note 5:
P
D
= (T
J(max)
T
A
)/
θ
JA
. All numbers apply for packages soldered directly into a PC board.
Note 6:
Typical values represent the most likely parametric norm.
Note 7:
All limits are guaranteed by testing or statistical analysis.
Note 8:
Limiting input pin current is only necessary for input voltages which exceed the absolute maximum input voltage rating.
Note 9:
Do not short circuit the output to V+ when V+ is greater than 12V or reliability will be adversely affected.
Note 10:
C
L
includes the probe and test jig capacitance.
Note 11:
Input offset voltage average drift is calculated by dividing the accelerated operating life V
OS
drift by the equivalent operational time. This represents worst
case input conditions and includes the first 30 days of drift.
Note 12:
Input step voltage for propagation delay measurement is 2V.
www.national.com
4
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMC7221_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output |
| LMC7221AIM | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LMC7221AIM/NOPB | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LMC7221AIM/NOPB | 制造商:Texas Instruments 功能描述:Voltage Comparator IC |
| LMC7221AIM5 | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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