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| 型号： | TLC339FK |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | LinCMOSE MICROPOWER QUAD COMPARATORS |
| 中文描述： | LinCMOSE微功耗四比较器 |
| 文件页数： | 15/17页 |
| 文件大小： | 258K |
| 代理商： | TLC339FK |
TLC139, TLC339, TLC339Q
LinCMOS
MICROPOWER QUAD COMPARATORS
SLCS119 – DECEMBER 1986 – REVISED JANUARY 1991
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
The inputs should always remain within the supply rails in order to avoid forward biasing the diodes in the electrostatic
discharge (ESD) protection structure. If either input exceeds this range, the device is not damaged as long as the
input current is limited to less than 5 mA. To maintain the expected output state, the inputs must remain within the
common-mode range. For example, at 25
°
C with V
DD
= 5 V, both inputs must remain between –0.2 V and 4 V to
assure proper device operation. To assure reliable operation, the supply should be decoupled with a capacitor (0.1
μ
F) positioned as close to the device as possible.
The output and supply currents require close observation since the TLC139/TLC339 does not provide current
protection. For example, each output can source or sink a maximum of 20 mA; however, the total current to ground
has an absolute maximum of 60 mA. This prohibits sinking 20 mA from each of the four outputs simultaneously since
the total current to ground would be 80 mA.
The TLC139 and TLC339 have internal ESD-protection circuits that prevent functional failures at voltages up to
2000 V as tested under MIL-STD-883C, Method 3015.2; however, exercise care when handling these devices as
exposure to ESD may result in the degradation of the device parametric performance.
Table of Applications
FIGURE
Pulse-width-modulated motor speed controller
19
Enhanced supply supervisor
20
Two-phase nonoverlapping clock generator
21
5 V
10 k
10 k
10 k
12 V
5.1 k
100 k
5 V
5 V
5 V
12 V
12 V
5.1 k
10 k
1/4
TLC139/TLC339
C1
0.01
μ
F
(see Note B)
(see Note A)
1/4
TLC139/339
Motor Speed Control
Potentiometer
Direction
Control
S1
SPDT
Half-H Driver
Half-H Driver
SN75603
DIR
EN
Motor
SN75604
NOTES: A. The recommended minimum capacitance is 10
μ
F to eliminate common ground switching noise.
B. Select C1 for change in oscillator frequency.
Figure 19. Pulse-Width-Modulated Motor Speed Controller
相关PDF资料 |
PDF描述 |
|---|---|
| TLC339J | LinCMOSE MICROPOWER QUAD COMPARATORS |
| TLC339QFK | DIODE ZENER SINGLE 150mW 24Vz 5.2mA-Izt 0.05 0.1uA-Ir 18 SOT-523 3K/REEL |
| TLC339QJ | DIODE ZENER TRIPLE ISOLATED 200mW 24Vz 5.2mA-Izt 0.05 0.1uA-Ir 18 SOT-363 3K/REEL |
| TLC339QN | DIODE ZENER SINGLE 200mW 24Vz 5.2mA-Izt 0.05 0.1uA-Ir 18 SOT-323 3K/REEL |
| TLC3545IDGKR | 5-V. LOW POWER, 14-BIT, 200-KSPS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO-POWER DOWN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC339ID | 功能描述:校验器 IC Quad Differential RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TLC339ID | 制造商:Texas Instruments 功能描述:VOLTAGE COMPARATOR IC 制造商:Texas Instruments 功能描述:IC, MICROPOWER COMP, QUAD, 1 uS, SOIC-14 |
| TLC339IDG4 | 功能描述:校验器 IC Quad Differential RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TLC339IDR | 功能描述:校验器 IC Quad Differential RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| TLC339IDR | 制造商:Texas Instruments 功能描述:Voltage Comparator IC |
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