74hct9046a NXP Semiconductors, 74hct9046a Datasheet - Page 18

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

Philips Semiconductors
2003 Oct 30
PLL with band gap controlled VCO
I I
Fig.14 Typical input resistance curve at SIG_IN,
(0.5 V CC )
Fig.16 Input current at SIG_IN; COMP_IN with
( A)
I I
5
0
5
COMP_IN.
4.5 V
5.5 V
V
0.25
I
= 0.5 V at self-bias point.
V I
0.5 V CC
V CC = 5.5V
self-bias operating point
V (V)
I
4.5 V
(0.5 V CC )
MGA957
V I
MBD108
0.25
18
V OFF
(0.5 V CC )
(mV)
Fig.15 Input resistance at SIG_IN; COMP_IN with
___ R
- - - R
Fig.17 Offset voltage at demodulator output as a
(k )
R I
800
600
400
200
60
40
20
20
40
s
0
0
s
(0.5 V CC )
= 300 k .
= 50 k .
function of VCO_IN and R
V
0.25
I
= 0.5 V at self-bias point.
5.5 V
2
V
CC
=
4.5 V
0.5 V CC
0.5 V CC
V VCO_IN (V)
74HCT9046A
V (V)
Product specification
I
s
.
V CC =
4.5 V
(0.5 V CC )
5.5 V
MGA956 - 1
(0.5 V CC )
MGA958
2
0.25