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XR2209CP-F

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
XR-2209
Rev. 2.02
7
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 100F. The
capacitor should be non-polarized.
Typical
Operating
Range
-10 -15 -20-5
Negative Supply (V)
Figure 5. Operating Range for Unequal Split Supply Voltages
35
30
25
20
15
10
5
0
+4 +6 +8 +10 +12 +14
R
T
=Parallel Combination
8 101214 16182022242628
Single Supply Voltage (V)
T
A
=25°C
of Activated Timing
Resistors
25
20
15
10
5
0
Figure 6. Positive Supply Current, I+ (Measured at Pin 1) vs. Supply Voltage
R
T
=2kΩ
R
T
=3kΩ
R
T
=5kΩ
R
T
=20kΩ
R
T
=200kΩ
R
T
=2MΩ
Positive Supply
Positive Supply Current (mA)
XR-2209
8
Rev. 2.02
15
10
5
0
0 ±6 ±8 ±10 ±12 ±14
Split Supply Voltage (V)
1MΩ
10kΩ
1kΩ
0+
4V
08
+8V +12V
16 24
Split Supply Voltage (V)
Single Supply Voltage (V)
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
1K 10K 100K 1M 10M
Timing Resistance (Ω)
V
S
= ±6V
C = 5000pF
Figure 7. Negative Supply Current,
I- (Measured at Pin 6)
vs. Supply Voltage
Figure 8. Recommended Timing Resistor
Value vs. Power Supply Voltage
Figure 9. Frequency Accuracy vs. Timing
Resistance
T
A
= 25°C
100kΩ
7
+
16V
32
Timing
Resistor
Range
Frequency Error (%)
Total Timing Resistor RT
Negative Supply Current (mA)
T
A
= 25°C
XR-2209
Rev. 2.02
9
1.04
1.02
1.00
.98
.96
.94
.92
±2 ±4 ±6 ±8 ±10 ±12 ±14
4 8 12 16 20 24 28
R
T
= 2MΩ
R
T
= 20kΩ
R
T
= 200kΩ
R
T
= 2kΩ
T
A
= 25°C
R
T
= Total
C = 5000pF
Single Supply Voltage (V)
Timing
Resistance
Split Supply Voltage (V)
V
S
= ±6V
C = 5000pF
2kΩ
4kΩ
20kΩ
200kΩ
200kΩ
2MΩ
20kΩ
4kΩ
R = 2kΩ
2MΩ
-50 -25 0 +25 +50 +75 +100 +125
+2
+1
0
-1
-2
-3
Temperature (°C)
Figure 10. Frequency Drift vs. Supply Voltage
Figure 11. Normalized Frequency Drift with Temperature
Normalized Frequency DriftNormalized Frequency Drift (%)
Squarewave Output (Pin 7)
The squarewave output at pin 7 is an “open-collector”
stage capable of sinking up to 20mA of load current. R
L
serves as a pull-up load resistor for this output.
Recommended values for R
L
range from 1k to 100k.
Triangle Output (Pin 8)
The output at pin 8 is a triangle wave with a peak swing of
approximately one-half of the total supply voltage. Pin 8
has a 10 output impedance and is internally protected
against short circuits.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

XR2209CP-F

Mfr. #:
Buy XR2209CP-F
Manufacturer:
MaxLinear
Description:
IC OSC DUAL VCO PROG 8DIP
Lifecycle:
New from this manufacturer.
Delivery:
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