KA331 [ONSEMI]
电压-频率转换器;
| 型号： | KA331 |
| 厂家： | 
ONSEMI |
| 描述： | 电压-频率转换器 光电二极管 转换器 |
| 文件： | 总8页 (文件大小：168K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON
Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s
technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA
Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended
or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out
of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor
is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
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KA331
V-F Converter
Features
Description
• Guaranteed linearity: 0.01% max.
This voltage to frequency converter provides the output
pulse train at a frequency precisely proportional to the
applied input voltage. The KA331 can operate at power
supplies as low as 4.0V and be changed output frequency
from 1Hz to 100KHz. It is ideally suited for use in simple
low-cost circuit for analog-to digital conversion, long term
integration, linear frequency modulation or demodulation,
frequency-to-voltage conversion, and many other functions.
• Low power dissipation: 15mW at 5V
• Wide range of full scale frequency: 1Hz to 100KHz
• Pulse output compatible with all logic forms
• Wide dynamic range: 100dB min at 10KHz full scale
frequency
8-DIP
1
Internal Block Diagram
Rev. 1.0.0
©2001 Fairchild Semiconductor Corporation
KA331
Absolute Maximum Ratings (T = 25°C)
A
Parameter
Symbol
Value
40
Unit
V
Supply Voltage
Input Voltage
V
CC
V
-0.2 ~ + V
V
I
CC
Operating Temperature Range
Power Dissipation
T
0 ~ +70
500
°C
OPR
P
D
mW
Electrical Characteristics
Parameter
Symbol
VFCNL
ACCUR
Conditions
4.5 ≤ V ≤ 20V
Min. Typ.
Max.
Unit
VFC Non-Linearity
-
±0.003 ±0.01 % Full-Scale
CC
Conversion Accuracy Scale Factor
V = -10V, R = 14KΩ 0.90 1.00
1.10
0.1
0.06
-
KHz/V
%/V
I
S
Chang Of Gain With V
V
∆G/V
4.5V ≤ V
≤ 10V
≤ 40V
-
-
0.01
0.006
-
CC
CC
CC
CC
10V ≤ V
CC
Rated Full - Scale Frequency
INPUT COMPARATOR
Offset Voltage
f
V = -10V
I
10.0
KHz
V
0°C ≤ T ≤ +70°C
-
±3
-80
±8
-
±10
-300
±100
mV
nA
nA
V
IO
A
Bias Current
I
-
-
-
-
BIAS
Offset Current
I
IO
Common-Mode Range
TIMER (PIN 5)
V
0°C ≤ T ≤ +70°C
-0.2
V
-2.0
CC
CM
A
Timer Threshold Voltage
V
-
0.63 0.667
0.701
×V
CC
TH
V
= 15V,
5
CC
0V ≤ V ≤ 9.9V
Input Bias Current
I
-
±10
±100
nA
BIAS
V = 10V
5
-
-
200
1000
0.5
nA
V
Saturation Voltage
V
I = 5mA
0.22
SAT
CURRENT SOURCE (PIN 1)
Output Current
I
R = 14KΩ, V = 0V 116 136
156
1.0
µA
µA
nA
O
S
1
Change with Voltage
∆I /∆V
O
0V ≤ V ≤ 10V
-
-
0.2
1
1
Current Source Off Leakage
REFERENCE VOLTAGE (PIN 2)
Reference Voltage
I
-
0.02
10.0
LKG
V
-
-
-
1.70 1.89
2.08
V
DC
REF
Stability vs Temperature
Stability vs Time, 1000Hours
LOGIC OUTPUT (Pin 3)
ST
-
-
±60
-
-
ppm/°C
T
T
ST
±0.1
%
I = 5mA
I = 3.2mA
-
-
-
-
0.15
0.10
0.50
0.40
1.0
Saturation Voltage
V
V
SAT
Off Leakage
I
±0.05
µA
LKG
SUPPLY CURRENT
V
V
= 5V
1.5
2.0
3.0
4.0
6.0
8.0
CC
CC
Supply Current
I
mA
CC
= 40V
2
KA331
Typical Applications
Figure 1. Precision Voltage-to-Frequency Converter, 100KHz Full-Scale
Figure 2. Simple Frequency-to-Voltage Converter, 10KHz Full-Scale
Figure 3. Light Intensity to Frequency Converter
3
KA331
Mechanical Dimensions
Package
Dimensions in millimeters
8-DIP
6.40 ±0.20
0.252 ±0.008
#1
#4
#8
#5
3.30 ±0.30
0.130 ±0.012
5.08
0.200
MAX
7.62
0.300
3.40 ±0.20
0.134 ±0.008
0.33
MIN
0.013
4
KA331
Ordering Information
Product Number
Package
8-DIP
Operating Temperature
KA331
0 ~ + 70°C
5
KA331
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
5/22/01 0.0m 001
Stock#DSxxxxxxxx
2001 Fairchild Semiconductor Corporation
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent
coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.
ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer
application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not
designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification
in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized
application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and
expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such
claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This
literature is subject to all applicable copyright laws and is not for resale in any manner.
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