參數(shù)資料
型號(hào): 74HC4046A
廠商: NXP Semiconductors N.V.
英文描述: Phase-locked-loop with VCO
中文描述: 鎖相環(huán)與VCO的環(huán)
文件頁(yè)數(shù): 12/34頁(yè)
文件大?。?/td> 467K
代理商: 74HC4046A
1997 Nov 25
12
Philips Semiconductors
Product specification
Phase-locked-loop with VCO
74HC/HCT4046A
Note
1.
The parallel value of R1 and R2 should be more than 2.7 k
. Optimum performance is achieved when R1 and/ or
R2 are/is
>
10 k
.
Demodulator section
Voltages are referenced to GND (ground = 0 V)
R
2
resistor range
3.0
3.0
3.0
40
40
40
1.1
1.1
1.1
300
300
300
no
limit
k
3.0
4.5
6.0
3.0
4.5
6.0
3.0
4.5
6.0
note 1
C1
capacitor range
pF
V
VCOIN
operating voltage
range at VCO
IN
1.9
3.4
4.9
V
over the range
specified for
R1; for linearity
see Figs 20
and 21
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
V
OTHER
+25
40 to+85
40 to +125
min. typ.
max.
min.
max.
min.
max.
R
S
resistor range
50
50
50
300
300
300
k
3.0
4.5
6.0
3.0
4.5
6.0
3.0
4.5
6.0
at R
S
>
300 k
the leakage current can
influence V
DEMOUT
V
OFF
offset voltage
VCO
IN
to V
DEMOUT
±
30
±
20
±
10
25
25
25
mV
V
I
= V
VCOIN
= 1/2 V
CC
;
values taken over
R
S
range; see Fig.15
R
D
dynamic output
resistance at DEM
OUT
V
DEMOUT
= 1/2 V
CC
SYM-
BOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
V
I
OTHER
+25
40 to +85
40 to +125
min.
typ.
max.
min.
max.
min.
max.
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