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PDF ( 数据手册 , 数据表 ) XR-2209

零件编号 XR-2209
描述 Voltage-Controlled Oscillator
制造商 Exar Corporation
LOGO Exar Corporation LOGO 


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XR-2209 数据手册, 描述, 功能
...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, 数据表
XR-2209
110550ÎÎÎÎÎÎÎÎÎÎÎÎ0 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎα6 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎα8 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎα1ÎÎÎÎÎÎÎÎÎÎÎÎ0 TÎÎÎÎÎÎÎÎÎÎÎÎA=±12ÎÎÎÎÎÎÎÎÎÎÎÎ25°CÎÎÎÎÎÎÎÎÎÎÎα14
Split Supply Voltage (V)
Figure 7. Negative Supply Current,
I- (Measured at Pin 6)
vs. Supply Voltage
1M
TA= 25°C
100k
10k
Timing
Resistor
Range
1k
0
+4V +8V +12V
Split Supply Voltage (V)
+16V
0 8 16 24 32
Single Supply Voltage (V)
Figure 8. Recommended Timing Resistor
Value vs. Power Supply Voltage
7
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
ÎÎÎÎÎÎÎÎÎÎÎÎ1K ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ10ÎÎÎÎÎÎÎÎÎÎÎÎK ÎÎÎÎÎÎÎÎÎÎÎÎVÎÎÎÎÎÎÎÎÎÎÎÎSC1==00ÎÎÎÎÎÎÎÎÎÎÎα5K60V00ÎÎÎÎÎÎÎÎÎÎÎÎpFÎÎÎÎÎÎÎÎÎÎÎÎ1MÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ10M
Timing Resistance ()
Figure 9. Frequency Accuracy vs. Timing
Resistance
Rev. 2.02
8







XR-2209 equivalent, schematic
XR-2209
8 LEAD CERAMIC DUAL-IN-LINE
(300 MIL CDIP)
Rev. 1.00
85
Base
Plane
14
D
A1
A
E
E1
Seating L
Plane
e
B B1
c
α
Rev. 2.02
INCHES
MILLIMETERS
SYMBOL
MIN MAX
MIN MAX
A
0.100 0.200
2.54 5.08
A1
0.015 0.060
0.38 1.52
B
0.014 0.026
0.36 0.66
B1
0.045 0.065
1.14 1.65
c
0.008 0.018
0.20 0.46
D
0.305 0.405
7.75 10.29
E1
0.250 0.310
6.35 7.87
E
0.300 BSC
7.62 BSC
e
0.100 BSC
2.54 BSC
L
0.125 0.200
3.18 5.08
α
0° 15°
0°
Note: The control dimension is the inch column
15°
16










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