XR-2207 Datasheet, PDF (9/24 Pages) Exar Corporation – Voltage-Controlled Oscillator

7
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
1K
V_S=$6V
C=5000pF
10K
100K
1M
10M
Timing Resistance (Ω)
Figure 9. Frequency Accuracy vs.
Timing Resistance
XR-2207
1.04
1.02
R_T=2MΩ
R_T=20kΩ
1.00
R_T=200kΩ
.98
.96
T_A=25°C
.94 ^{RT=TToimtailng}
Resistance
.92 ^C=5000pF
R_T=2kΩ
$2 $4 $6 $8 $10 $12
Split Supply Voltage (V)
$14
48
12
16 20
24 28
Single Supply Voltage (V)
Figure 10. Frequency Drift vs. Supply Voltage
+2%
+1%
0
4kΩ ^2kΩ
20kΩ
-1%
200kΩ
V_S=$6V
C=5000pF
2MΩ
200kΩ
20kΩ _4kΩ
-2%
2MΩ
-3%
-50
R=2kΩ
-25 0 +25 +50 +75 +100 +125
Temperature (°C)
Figure 11. Normalized Frequency Drift with
Temperature
Rev. 2.02
9