TLC2942_06 Datasheet, PDF (15/29 Pages) Texas Instruments – HIGH-PERFORMANCE DUAL PHASE-LOCKED LOOP BUILDING BLOCK

TLC2942
HIGH-PERFORMANCE DUAL PHASE-LOCKED LOOP BUILDING BLOCK
SLAS146B – NOVEMBER 1996 – REVISED JUNE 1997
TYPICAL CHARACTERISTICS
TEMPERATURE COEFFICIENT OF
OSCILLATION FREQUENCY
vs
BIAS RESISTOR
0.4
VDD = 3 V
VCOIN = 1/2 VDD
TA = – 20°C to 75°C
0.3
TEMPERATURE COEFFICIENT OF
OSCILLATION FREQUENCY
vs
BIAS RESISTOR
0.4
VDD = 5 V
VCOIN = 1/2 VDD
TA = – 20°C to 75°C
0.3
0.2
0.2
0.1
0.1
0
2
2.5
3 _3.3 3.5
4
4.5
RBIAS – Bias Resistor – kΩ
Figure 14
VCO OSCILLATION FREQUENCY
vs
VCO SUPPLY VOLTAGE
24
RBIAS = 3.3 kΩ
VCOIN = 1.5 V
TA = 25°C
22
0
1.5
2 _2.2 2.5
3
3.5
RBIAS – Bias Resistor – kΩ
Figure 15
VCO OSCILLATION FREQUENCY
vs
VCO SUPPLY VOLTAGE
48
RBIAS = 2.2 kΩ
VCOIN = 1/2 VDD
TA = 25°C
44
20
18
16
2.85
3
3.15
VDD – VCO Supply Voltage – V
Figure 16
40
36
32
4.75
5
5.25
VDD – VCO Supply Voltage – V
Figure 17
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
15