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XR-2209 데이터시트 PDF




Exar Corporation에서 제조한 전자 부품 XR-2209은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 XR-2209 자료 제공

부품번호 XR-2209 기능
기능 Voltage-Controlled Oscillator
제조업체 Exar Corporation
로고 Exar Corporation 로고


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XR-2209 데이터시트, 핀배열, 회로
...the analog plus companyTM
XR-2209
Voltage-Controlled
Oscillator
FEATURES
D Excellent Temperature Stability (20ppm/°C)
D Linear Frequency Sweep
D Wide Sweep Range (1000:1 Minimum)
D Wide Supply Voltage Range (+4V to +13V)
D Low Supply Sensitivity (0.1% /V)
D Wide Frequency Range (0.01Hz to 1MHz)
D Simultaneous Triangle and Squarewave Outputs
APPLICATIONS
June 1997–3
D Voltage and Current-to-Frequency Conversion
D Stable Phase-Locked Loop
D Waveform Generation
Triangle, Sawtooth, Pulse, Squarewave
D FM and Sweep Generation
GENERAL DESCRIPTION
The XR-2209 is a monolithic voltage-controlled oscillator
(VCO) integrated circuit featuring excellent frequency
stability and a wide tuning range. The circuit provides
simultaneous triangle and squarewave outputs over a
frequency range of 0.01Hz to 1MHz. It is ideally suited for
FM, FSK, and sweep or tone generation, as well as for
phase-locked loop applications.
The oscillator of the XR-2209 has a typical drift
specification of 20ppm/°C. The oscillator frequency can
be linearly swept over a 1000:1 range with an external
control voltage.
ORDERING INFORMATION
Part No.
XR-2209CN
XR-2209M
XR-2209CP
Package
8 Lead 300 Mil CDIP
8 Lead 300 Mil CDIP
8 Lead 300 Mil PDIP
Operating
Temperature Range
0° to +70°C
-55°C to +125°C
0°C to +70°C
BLOCK DIAGRAM
Timing
Capacitor
C1 2
C2 3
Timing
Resistor
R4
VCC
1
VCO
BIAS
5
A1
A2
8 TWO Triangle Wave Out
7 SWO Square Wave Out
6 VEE
Figure 1. XR-2209 Block Diagram
Rev. 2.02
E1975
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 688-7000 z FAX (510) 688-7017
1




XR-2209 pdf, 반도체, 판매, 대치품
XR-2209
ABSOLUTE MAXIMUM RATINGS
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26V
Power Dissipation (package limitation)
Ceramic package . . . . . . . . . . . . . . . . . . . . . . . 750mW
Derate above +25°C . . . . . . . . . . . . . . . . . . 10mW/°C
Plastic package . . . . . . . . . . . . . . . . . . . . . . . . . 600mW
Derate above +25°C . . . . . . . . . . . . . . . . . . . 8mW/°C
SOIC package . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW
Derate above +25°C . . . . . . . . . . . . . . . . . . . 4mW/°C
Storage Temperature Range . . . . . . . -65°C to +150°C
Q1 Q2
Q3 Q4
Q14
Q13
Q5
R
Q19
R1
Q6 Q7 Q8
Timing
Capacitor
23
R
Q12
Q9 Q10
R3
Q11
R2
Timing Resistor
R4
4 4R
Q15
R
R
2R
R5 R6 R7
Q20 Q21
VCC
1
2R
Triangle Wave
8 Output
ÁVEE
6
Square Wave
Output
7
Q27
5
BIAS
Q22
Q23
Q24 Q25 Q26
Rev. 2.02
Figure 2. Equivalent Schematic Diagram
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XR-2209 전자부품, 판매, 대치품
XR-2209
Timing Capacitor (Pins 2 and 3)
The oscillator frequency is inversely proportional to the
timing capacitor, C. The minimum capacitance value is
limited by stray capacitances and the maximum value by
physical size and leakage current considerations.
Recommended values range from 100pF to 100mF. The
capacitor should be non-polarized.
25
20
15
Typical
Operating
10 Range
5
0
-5 -10 -15 -20
Negative Supply (V)
Figure 5. Operating Range for Unequal Split Supply Voltages
ÎÎÎÎÎÎÎÎÎÎÎ35 RT=Parallel Combination
ÎÎÎÎÎÎÎÎÎÎÎ30
of Activated Timing
Resistors
TA=25°C
ÎÎÎÎÎÎÎÎÎÎÎ25
ÎÎÎÎÎÎÎÎÎÎÎRT=2k
RT=3k
20
RT=5k
ÎÎÎÎÎÎÎÎÎÎÎ15
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ10 RT=20kRT=200k
ÎÎÎÎÎÎÎÎÎÎÎ5 RT=2M
ÎÎÎÎÎÎÎÎÎÎÎ0
ÎÎÎÎÎÎÎÎÎÎÎ+4 +6
+8 +10
+12 +14
8 10 12 14 16 18 20 22 24 26 28
Single Supply Voltage (V)
Figure 6. Positive Supply Current, I+ (Measured at Pin 1) vs. Supply Voltage
Rev. 2.02
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