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參數(shù)資料
| 型號： | LT1719CS6#TRMPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 22/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMP R-RINOUT SINGLE SOT23-6 |
| 標準包裝： | 1 |
| 系列： | UltraFast™ |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 6 V |
| 電壓 - 輸入偏移（最小值）： | 2.5mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 6µA @ 5V |
| 電流 - 輸出（標準）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 9mA |
| CMRR, PSRR（標準）： | 65dB CMRR，80dB PSRR |
| 傳輸延遲（最大）： | 13ns |
| 磁滯： | 7mV |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | SOT-23-6 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 1323 (CN2011-ZH PDF) |
| 其它名稱： | LT1719CS6#TRMPBFDKR |
LT1719
9
1719fa
APPLICATIONS INFORMATION
Figure 1. Variety of SO-8 Power Supply Congurations
When either input signal falls below the negative com-
mon mode limit, the internal PN diode formed with the
substrate can turn on, resulting in signicant current
ow through the die. An external Schottky clamp diode
between the input and the negative rail can speed up re-
covery from negative overdrive by preventing the substrate
diode from turning on.
When both input signals are below the negative common
mode limit, phase reversal protection circuitry prevents
false output inversion to at least – 400mV common mode.
However, the offset and hysteresis in this mode will increase
dramatically, to as much as 15mV each. The input bias
currents will also increase.
When both input signals are above the positive common
mode limit, the input stage will get debiased and the output
polarity will be random. However, the internal hysteresis
will hold the output to a valid logic level. When at least one
of the inputs returns to within the common mode limits,
recovery from this state can take as long as 1μs.
Power Supply Congurations (SO-8 Package)
The LT1719S8 has separate supply pins for the input and
output stages that allow exible operation, accommodating
separate voltage ranges for the analog input and the output
logic. Of course, a single 3V/5V supply may be used by
tying + VS and VCC together as well as GND and VEE.
The minimum voltage requirement can be simply stated
as both the output and the input stages need at least 2.7V
and the VEE pin must be equal to or less than ground.
The following rules must be adhered to in any
conguration:
2.7V ≤ (VCC – VEE) ≤ 10.5V
2.7V ≤ (+ VS – GND) ≤ 6V
(+VS – VEE) ≤ 10.5V
VEE ≤ Ground
Although the ground pin need not be tied to system ground,
most applications will use it that way. Figure 1 shows three
common congurations. The nal one is uncommon, but
it will work and may be useful as a level translator; the
input stage is run from – 5.2V and ground while the output
stage is run from 3V and ground. In this case the com-
mon mode input voltage range does not include ground,
so it may be helpful to tie VCC to 3V anyway. Conversely,
VCC may also be tied below ground, as long as the above
rules are not violated.
Input Voltage Considerations
The LT1719 is specied for a common mode range of
–100mV to 3.8V when used with a single 5V supply. A
more general consideration is that the common mode
range is 100mV below VEE/V– to 1.2V below VCC/V+. The
criterion for this common mode limit is that the output still
responds correctly to a small differential input signal. If
one input is within the common mode limit, the other
input signal can go outside the common mode limits, up
to the absolute maximum limits, and the output will retain
the correct polarity.
–
+
VEE
VCC
2.7V TO 6V
+VS
GND
Single Supply
–
+
VEE
VCC
5V
–5V
3V
+VS
GND
±5VIN, 3VOUT
–
+
VEE
VCC
10V
5V
+VS
GND
10VIN, 5VOUT
–
+
VEE
VCC
–5.2V
3V
+VS
GND
1719 F01
Front End Entirely Negative
LT1719S8
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| LT1719CS8 | 功能描述:IC COMP R-R I/O SGL 3/5V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 標準包裝:25 系列:- 類型:帶電壓基準 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:10mV @ 5V 電流 - 輸入偏壓（最小值）:- 電流 - 輸出（標準）:0.015mA @ 5V 電流 - 靜態(tài)（最大值）:8.5µA CMRR, PSRR（標準）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LT1719CS8#PBF | 功能描述:IC COMP R-R I/O SGL 3/5V 8-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 標準包裝:1 系列:- 類型:通用 元件數(shù):1 輸出類型:CMOS，開路集電極，TTL 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:7mV @ 5V 電流 - 輸入偏壓（最小值）:0.25µA @ 5V 電流 - 輸出（標準）:84mA @ 5V 電流 - 靜態(tài)（最大值）:120µA CMRR, PSRR（標準）:- 傳輸延遲（最大）:600ns 磁滯:- 工作溫度:-40°C ~ 85°C 封裝/外殼:SC-74A，SOT-753 安裝類型:表面貼裝 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1268 (CN2011-ZH PDF) 其它名稱:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| LT1719CS8#TR | 功能描述:IC COMP R-R SINGLE 4.5NS 8SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 標準包裝:25 系列:- 類型:帶電壓基準 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:10mV @ 5V 電流 - 輸入偏壓（最小值）:- 電流 - 輸出（標準）:0.015mA @ 5V 電流 - 靜態(tài)（最大值）:8.5µA CMRR, PSRR（標準）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LT1719CS8#TRPBF | 功能描述:IC COMP R-R I/O SGL 3/5V 8-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 標準包裝:25 系列:- 類型:帶電壓基準 元件數(shù):4 輸出類型:CMOS，開路漏極，TTL 電壓 - 電源，單路/雙路(±):2 V ~ 11 V，±1 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:10mV @ 5V 電流 - 輸入偏壓（最小值）:- 電流 - 輸出（標準）:0.015mA @ 5V 電流 - 靜態(tài)（最大值）:8.5µA CMRR, PSRR（標準）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:12µs 磁滯:50mV 工作溫度:0°C ~ 70°C 封裝/外殼:16-DIP（0.300"，7.62mm） 安裝類型:通孔 包裝:管件 |
| LT1719CS8PBF | 制造商:Linear Technology 功能描述:LT1719 4.5ns LP SOIC comparator |
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