Datasheet

12
Frequency Linearity ∆f
VCO
R
1
= 100kΩ
R
2
= ∞
C
1
= 100pF
4.5 - 0.4 - - - - - %
Offset Frequency R
2
= 220kΩ
C
1
= 1nF
4.5 - 400 - - - - - kHz
DEMODULATOR SECTION
V
OUT
V
S
f
IN
R
1
= 100kΩ
R
2
= ∞
C
1
= 100pF
R
S
= 10kΩ
R
3
= 100kΩ
C
2
= 100pF
4.5 - 330 - - - - - mV/kHz
Switching Specifications C
L
= 50pF, Input t
r
, t
f
= 6ns (Continued)
PARAMETER SYMBOL
TEST
CONDITIONS V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO
125
o
C
UNITSMIN TYP MAX MIN MAX MIN MAX
Test Circuits and Waveforms
FIGURE 8. INPUT TO OUTPUT PROPAGATION DELAYS AND
OUTPUT TRANSITION TIMES
FIGURE 9. THREE STATE ENABLE AND DISABLE TIMES FOR
PC2
OUT
V
S
t
PHL
t
PHL
t
TLH
t
TLH
V
S
SIG
IN
COMP
IN
INPUTS
PCP
OUT
PC1
OUT
PC3
OUT
OUTPUTS
V
S
SIG
IN
t
PZH
V
S
V
S
t
PZH
90%
INPUTS
COMP
IN
INPUTS
PC2
OUT
OUTPUT
t
PZL
t
PZL
10%
Typical Performance Curves
FIGURE 10. TYPICAL INPUT RESISTANCE CURVE AT SIG
IN
,
COMP
IN
FIGURE 11. HC/HCT4046A R1 (MIN) OR R2 (MIN) vs SUPPLY
VOLTAGE (V
CC
)
I
I
V
I
∆V
I
SELF-BIAS OPERATING POINT
800
700
600
500
400
300
200
100
0
01 2 3 4 56
SUPPLY VOLTAGE, V
CC
(V)
R1
MIN
OR R2
MIN
(OHMS)
CD74HC4046A, CD74HCT4046A