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| 型号： | LT1719IS6#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 22/22页 |
| 文件大小： | 0K |
| 描述： | IC COMP R-RINOUT SINGLE SOT23-6 |
| 标准包装： | 1 |
| 系列： | UltraFast™ |
| 类型： | 通用 |
| 元件数： | 1 |
| 输出类型： | CMOS，满摆幅，TTL |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 6 V |
| 电压 - 输入偏移（最小值）： | 2.5mV @ 5V |
| 电流 - 输入偏压（最小值）： | 6µA @ 5V |
| 电流 - 输出（标准）： | 20mA |
| 电流 - 静态（最大值）： | 9mA |
| CMRR, PSRR（标准）： | 65dB CMRR，80dB PSRR |
| 传输延迟（最大）： | 13ns |
| 磁滞： | 7mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-23-6 |
| 安装类型： | 表面贴装 |
| 包装： | 剪切带 (CT) |
| 其它名称： | LT1719IS6 LT1719IS6#TRMCT LT1719IS6-ND |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1719IS8 | 功能描述:IC COMP R-R SINGLE 4.5NS 8SOIC RoHS:否 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 标准包装:25 系列:- 类型:带电压基准 元件数:4 输出类型:CMOS，开路漏极，TTL 电压 - 电源，单路/双路(±):2 V ~ 11 V，±1 V ~ 5.5 V 电压 - 输入偏移（最小值）:10mV @ 5V 电流 - 输入偏压（最小值）:- 电流 - 输出（标准）:0.015mA @ 5V 电流 - 静态（最大值）:8.5µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:12µs 磁滞:50mV 工作温度:0°C ~ 70°C 封装/外壳:16-DIP（0.300"，7.62mm） 安装类型:通孔 包装:管件 |
| LT1719IS8#PBF | 功能描述:IC COMP R-RINOUT SINGLE 8-SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 标准包装:1 系列:- 类型:通用 元件数:1 输出类型:CMOS，开路集电极，TTL 电压 - 电源，单路/双路(±):2.7 V ~ 5.5 V 电压 - 输入偏移（最小值）:7mV @ 5V 电流 - 输入偏压（最小值）:0.25µA @ 5V 电流 - 输出（标准）:84mA @ 5V 电流 - 静态（最大值）:120µA CMRR, PSRR（标准）:- 传输延迟（最大）:600ns 磁滞:- 工作温度:-40°C ~ 85°C 封装/外壳:SC-74A，SOT-753 安装类型:表面贴装 包装:剪切带 (CT) 产品目录页面:1268 (CN2011-ZH PDF) 其它名称:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| LT1719IS8#PBF | 制造商:Linear Technology 功能描述:ICVOLT COMPARATORSINGLEBIPO 制造商:Linear Technology 功能描述:IC,VOLT COMPARATOR,SINGLE,BIPOLAR,SOP,8P |
| LT1719IS8#TR | 功能描述:IC COMP R-R SINGLE 4.5NS 8SOIC RoHS:否 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 标准包装:25 系列:- 类型:带电压基准 元件数:4 输出类型:CMOS，开路漏极，TTL 电压 - 电源，单路/双路(±):2 V ~ 11 V，±1 V ~ 5.5 V 电压 - 输入偏移（最小值）:10mV @ 5V 电流 - 输入偏压（最小值）:- 电流 - 输出（标准）:0.015mA @ 5V 电流 - 静态（最大值）:8.5µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:12µs 磁滞:50mV 工作温度:0°C ~ 70°C 封装/外壳:16-DIP（0.300"，7.62mm） 安装类型:通孔 包装:管件 |
| LT1719IS8#TRPBF | 功能描述:IC COMP R-RINOUT SINGLE 8-SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:UltraFast™ 标准包装:25 系列:- 类型:带电压基准 元件数:4 输出类型:CMOS，开路漏极，TTL 电压 - 电源，单路/双路(±):2 V ~ 11 V，±1 V ~ 5.5 V 电压 - 输入偏移（最小值）:10mV @ 5V 电流 - 输入偏压（最小值）:- 电流 - 输出（标准）:0.015mA @ 5V 电流 - 静态（最大值）:8.5µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:12µs 磁滞:50mV 工作温度:0°C ~ 70°C 封装/外壳:16-DIP（0.300"，7.62mm） 安装类型:通孔 包装:管件 |
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