©2001 Fairchild Semiconductor Corporation
batterystatusRev. 1.0.0
Features
agoni什么意思•Guaranteed linearity: 0.01% max.•Low power dissipation: 15mW at 5V
•Wide range of full scale frequency: 1Hz to 100KHz •Pul output compatible with all logic forms
•
Wide dynamic range: 100dB min at 10KHz full scale frequency
Description
This voltage to frequency converter provides the output pul train at a frequency precily 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 u 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.
Internal Block Diagram
KA331
V-F Converter
8-DIP
1
KA331
2
Absolute Maximum Ratings (T A = 25°C)
Electrical Characteristics
哪有数据分析培训Parameter
Symbol Value Unit Supply Voltage V CC 40V Input Voltage
V I -0.2 ~ + V CC V Operating Temperature Range T OPR 0 ~ +70°C Power Dissipation
P D
500西班牙英文
mW2013年考研英语
Parameter
Symbol Conditions Min.Typ.Max.Unit VFC Non-Linearity
VFCNL 4.5 ≤ V CC ≤ 20V -±0.003±0.01% Full-Scale Conversion Accuracy Scale Factor ACCUR V I = -10V, R S = 14K Ω0.90
湖南英语三级成绩查询1.00 1.10KHz/V Chang Of Gain With V CC V CC ∆G/V CC
4.5V ≤ V CC ≤ 10V -0.010.1%/V
10V ≤ V CC ≤ 40V -0.0060.06 Rated Full - Scale Frequency f
V I = -10V
10.0
--KHz INPUT COMPARATOR Offt Voltage V IO 0°C ≤ T A ≤ +70°C
-±3±10mV Bias Current I BIAS ---80-300nA Offt Current I IO --±8±100nA Common-Mode Range V CM
0°C ≤ T A ≤ +70°C
-0.2
-V CC -2.0
V
TIMER (PIN 5)
Timer Threshold Voltage V TH -0.630.6670.701×V CC Input Bias Current
I BIAS
V CC = 15V, 0V ≤ V 5 ≤ 9.9V -±10±100nA V 5 = 10V
-2001000nA Saturation Voltage
V SAT
I = 5mA
遮蔽的意思-0.22
0.5
V
CURRENT SOURCE (PIN 1) Output Current I O R S = 14K Ω, V 1 = 0V 116136156µA Change with Voltage ∆I O /∆V 1 0V ≤ V 1≤ 10V
-0.2 1.0µA Current Source Off Leakage I LKG
--0.02
爱霸英语10.0
carefully
nA
REFERENCE VOLTAGE (PIN 2) Reference Voltage V REF - 1.70 1.89 2.08V DC Stability vs Temperature ST T --±60-ppm/°C Stability vs Time, 1000Hours ST T
--±0.1
-%
LOGIC OUTPUT (Pin 3) Saturation Voltage V SAT I = 5mA -0.150.50V I = 3.2mA
-0.100.40 Off Leakage I LKG
--±0.05
1.0
µA
SUPPLY CURRENT Supply Current
I CC
V CC = 5V 1.5 3.0 6.0mA
V CC = 40V
2.0
4.0
8.0
KA331
corner
3
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
KA331
Mechanical Dimensions
Package
Dimensions in millimeters
8-DIP
4
KA331 Ordering Information
Product Number Package Operating Temperature
KA3318-DIP0 ~ + 70°C
5
