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| 型号： | LT1713CMS8 |
| 厂商： | Linear Technology |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | IC COMP R-R I/O SINGLE LP 8MSOP |
| 标准包装： | 50 |
| 系列： | UltraFast™ |
| 类型： | 带锁销 |
| 元件数： | 1 |
| 输出类型： | CMOS，补充型，满摆幅，TTL |
| 电压 - 电源，单路/双路(±)： | 2.4 V ~ 12 V，±2.4 V ~ 6 V |
| 电压 - 输入偏移（最小值）： | 4mV @ 5V |
| 电流 - 输入偏压（最小值）： | 2µA @ 5V |
| 电流 - 输出（标准）： | 20mA |
| 电流 - 静态（最大值）： | 7.5mA |
| CMRR, PSRR（标准）： | 70dB CMRR，80dB PSRR |
| 传输延迟（最大）： | 11ns |
| 磁滞： | 100mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 管件 |
16
LT1713/LT1714
LINEAR TECHNOLOGY CORPORATION 2000
171314f LT/TP 0501 4K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
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forte of this particular implementation is that it is rail-to-
rail allowing a full-scale analog input. Once the triangle
wave is achieved, the remainder of the pulse width modu-
lator is easy, and is constituted by doing a simple compari-
son using the second half of the LT1714. The triangle wave
and the relatively slow moving analog signal (the one to be
modulated or to do the modulation, depending on how you
look at it) are fed into the inputs of comparator B, whose
output is then the PWM representation of the analog input
voltage. The higher the analog input voltage, the wider the
output pulse. The time averaged output level is thus
proportional to the analog input voltage. This binary
output can then be fed into power transistors with direct
control over motor or speaker winding current, for
U
TYPICAL APPLICATIO
–
+
A
1/2 LT1714
2
1
–
+
2
V+
3
15
16
C2
0.01
F
R6
1k
V+ = 2.7V TO 7V
1MHz
TRIANGLE
WAVE
R5
1k
13
6
1
4
7
14
4
V+
R1
26.1
R4
499
21
1k
10k
1k
C1
500pF
R2
2k
R3
2k
–
+
B
1/2 LT1714
7
8
6
9
10
171314 F09
12
11
5
V+
C3
100pF
LT1809
C4
0.001
F
C5
0.01
F
C6
0.001
F
ANALOG
INPUT
ANTIALIASING
FILTER
16kHz ANALOG FILTER
FOR LINEARITY MEASUREMENT
COMPLEMENTARY
1MHz PWM
OUTPUTS
Figure 9. Rail-to-Rail 1MHz Pulse Width Modulator
example, with their inherent lowpass characteristic. Care
must be taken to avoid cross conduction in the output
power transistors.
The linearity of the pulse width modulated signal can easily
be ascertained by putting a simple 2-pole RC filter at the
output (as shown in Figure 9). This demodulates the signal
which can then be viewed and compared with the original
input signal on an oscilloscope. Using a spectrum analyzer
and a 1kHz reference signal, this circuit’s distortion prod-
ucts were measured as better than – 50dBc (0.3%) to
about 3.5VP-P, degrading to – 30dBc (3%) as the circuit
clips at 5VP-P on a single 5V supply.
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相关代理商/技术参数 |
参数描述 |
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| LT1713CMS8#PBF | 功能描述:IC COMP R-R I/O SINGLE LP 8MSOP 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 |
| LT1713CMS8#TR | 功能描述:IC COMP R-R I/O SINGLE LP 8MSOP 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 |
| LT1713CMS8#TRPBF | 功能描述:IC COMP R-R I/O SINGLE LP 8MSOP 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 |
| LT1713CMS8PBF | 制造商:Linear Technology 功能描述:Comparator Single RRIO +/-6V/12V MSOP8 |
| LT1713IMS8 | 功能描述:IC COMP R-R IN/OUT SINGLE 8-MSOP 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 |
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