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LM231

更新时间： 2024-01-18 04:03:12
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
20页 778K
描述
LM231A/LM231/LM331A/LM331 Precision Voltage-to-Frequency Converters

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LM231 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：SOP, SOP14,.4Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.82转换器类型：VOLTAGE TO FREQUENCY CONVERTER
JESD-30 代码：R-PDSO-G14JESD-609代码：e0
最大线性误差 (EL)：0.02%功能数量：1
端子数量：14最大工作频率：0.1 MHz
最高工作温度：85 °C最低工作温度：-25 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP14,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
子类别：Analog Special Function Converters最大压摆率：6 mA
最大供电电压：40 V最小供电电压：4 V
标称供电电压：5 V表面贴装：YES
技术：BIPOLAR温度等级：OTHER
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

LM231 数据手册

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LM231, LM331  
SNOSBI2B –JUNE 1999–REVISED MARCH 2013  
www.ti.com  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
Absolute Maximum Ratings(1)(2)(3)  
Supply Voltage, VS  
40V  
Continuous  
Continuous  
−0.2V to +VS  
Output Short Circuit to Ground  
Output Short Circuit to VCC  
Input Voltage  
(4)  
Package Dissipation at 25°C  
Lead Temperature (Soldering, 10 sec.)  
PDIP  
1.25W  
260°C  
500V  
(5)  
ESD Susceptibility  
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not  
apply when operating the device beyond its specified operating conditions.  
(2) All voltages are measured with respect to GND = 0V, unless otherwise noted.  
(3) If Military/Aerospace specified devices are required, please contact the TI Sales Office/Distributors for availability and specifications.  
(4) The absolute maximum junction temperature (TJmax) for this device is 150°C. The maximum allowable power dissipation is dictated by  
TJmax, the junction-to-ambient thermal resistance (θJA), and the ambient temperature TA, and can be calculated using the formula  
PDmax = (TJmax - TA) / θJA. The values for maximum power dissipation will be reached only when the device is operated in a severe  
fault condition (e.g., when input or output pins are driven beyond the power supply voltages, or the power supply polarity is reversed).  
Obviously, such conditions should always be avoided.  
(5) Human body model, 100 pF discharged through a 1.5 kΩ resistor.  
(1)  
Operating Ratings  
Operating Ambient Temperature  
LM231, LM231A  
LM331, LM331A  
Supply Voltage, VS  
−25°C to +85°C  
0°C to +70°C  
+4V to +40V  
(1) All voltages are measured with respect to GND = 0V, unless otherwise noted.  
Package Thermal Resistance  
Package  
θJ-A  
8-Lead PDIP  
100°C/W  
Electrical Characteristics  
All specifications apply in the circuit of Figure 16, with 4.0V ≤ VS ≤ 40V, TA=25°C, unless otherwise specified.  
Parameter  
Conditions  
4.5V ≤ VS ≤ 20V  
MIN ≤ TA ≤ TMAX  
Min  
Typ  
Max  
±0.01  
±0.02  
±0.14  
Units  
±0.003  
±0.006  
±0.024  
% Full- Scale  
% Full- Scale  
%Full- Scale  
(1)  
VFC Non-Linearity  
T
VFC Non-Linearity in Circuit of Figure 15  
Conversion Accuracy Scale Factor (Gain)  
LM231, LM231A  
VS = 15V, f = 10 Hz to 11 kHz  
VIN = −10V, RS = 14 kΩ  
0.95  
0.90  
1.00  
1.00  
1.05  
1.10  
kHz/V  
kHz/V  
LM331, LM331A  
Temperature Stability of Gain  
LM231/LM331  
T
MIN ≤ TA ≤ TMAX, 4.5V ≤ VS ≤ 20V  
±30  
±20  
±150  
±50  
0.1  
ppm/°C  
ppm/°C  
%/V  
LM231A/LM331A  
4.5V ≤ VS ≤ 10V  
10V ≤ VS ≤ 40V  
VIN = −10V  
0.01  
0.006  
Change of Gain with VS  
0.06  
%/V  
Rated Full-Scale Frequency  
10.0  
kHz  
Gain Stability vs. Time (1000 Hours)  
TMIN ≤ TA ≤ TMAX  
±0.02  
% Full- Scale  
(1) Nonlinearity is defined as the deviation of fOUT from VIN × (10 kHz/−10 VDC) when the circuit has been trimmed for zero error at 10 Hz  
and at 10 kHz, over the frequency range 1 Hz to 11 kHz. For the timing capacitor, CT, use NPO ceramic, Teflon®, or polystyrene.  
2
Submit Documentation Feedback  
Copyright © 1999–2013, Texas Instruments Incorporated  
Product Folder Links: LM231 LM331  
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