74hct9046a NXP Semiconductors, 74hct9046a Datasheet - Page 30

• Manufacturer Part Number: 74hct9046a
• Description: Pll With Bandgap Controlled Vco
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 30
PLL with band gap controlled VCO
R2 = ; V
(Hz)
f c
10
10
10
10
10
10
10
10
8
7
6
5
4
3
2
1
VCO_IN
= 0.5V
CC
R1 = 150 k
R1 = 300 k
; INH = GND; T
R1 = 10 k
10
R1 = 3 k
Fig.31 Typical value of VCO centre frequency (f
amb
10
= 25 C.
2
10
3
30
10
4
c
) as a function of C1.
10
5
10
74HCT9046A
6
V
5.5 V
4.5 V
5.5 V
4.5 V
5.5 V
4.5 V
5.5 V
4.5 V
CC
Product specification
C1 (pF)
=
MBD103 - 1
10
7