STV0056A STMicroelectronics, STV0056A Datasheet - Page 10

• Manufacturer Part Number: STV0056A
• Description: Video ICs Analog Sound/Video
• Manufacturer: STMicroelectronics
• Type: Audio DSPr

Specifications of STV0056A

• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP-56
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DC AND AC ELECTRICAL CHARACTERISTICS
STV0056A
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
AUDIO DEMODULATOR
AUTOMATIC NOISE REDUCTION SYSTEM
10/26
(V
VCOMA VCO Maxi Frequency
Symbol
IQLP
IQLP
VCOMI
APA50
FMBW
DPCO
DETH
LDOR
NDFT
NDLL
HLCF
FMIN
AP50
LLCF
Symbol
Symbol
CC
IQ
IQ
Rth(j-a)
LRS
V
V
T
CC
DD
V
V
T
P
CC
DD
oper
CC
DD
stg
= 12V, V
tot
CC
DD
Sypply Voltage
Supply Current
Supply Current at Low Power Mode
FM Subcarrier Input Level
(Pin FMIN for AGC action)
Detector 1 and 2 (AMPLOCK Pins)
(Threshold for activating Level Detector 2)
VCO Mini Frequency
1kHz Audio Level at PLL output
(DET Pins)
1kHz Audio Level at PLL output
(DET Pins)
FM Demodulator Bandwidth
Digital Phase Comparator Output
Current (CPUMP Pins)
Output Level (Pins LEVEL)
Level Detector Output Resistance
(Pins PK OUT)
Level Detector Fall Time Constant
(Pins PK OUT)
Bias Level (Pins PK OUT)
Noise Reduction Cut-off Frequency at
Low Level Audio
Noise Reduction Cut-off Frequency at
High Level Audio
Supply Voltage
Total Power Dissipation
Operating Ambient Temperature
Storage Temperature
Thermal Resistance Junction-ambient
DD
= 5V, T
Parameter
amb
= 25
o
C unless otherwise specified)
Parameter
Parameter
All audio and all video outputs
activated
All audio and all video outputs
are in high impedance mode
VCO locked on carrier at 6MHz
560k
180k
8mV
Carrier without modulation
V
T
0.5V
Coarse deviation set to 50kHz
(Reg. 05 = 36
0.5V
Coarse and fine settings used
Gain at 12kHz versus 1kHz
180k , 82k
Average sink and source
current to external capacitor
1V
External 22nF to GND and
1.2M
No audio in
100mV
capacitor 330pF (FC Pins)
1V
capacitor 330pF (FC Pins)
amb
CC
PP
PP
: 11.4 to 12.6V,
PP
PP
PP
: 0 to 70
on left and right channel
on DET Pins, External
PP
load on AMPLOCK Pins
load on DET Pins
50kHz dev. FM input,
50kHz dev. FM input,
to V
Test Conditions
FMIN
on DET Pins, External
REF
o
HEX
22pF on DET Pins
C
)
500mV
Max.
PP
Min.
11.4
4.75
2.90
0.92
-55, + 150
0.6
0.9
4.0
10
5
0
0, + 70
Value
Value
900
7.0
15
55
Typ.
3.10
26.4
2.40
0.85
5.0
0.3
5.4
12
55
27
60
8
6
1
1
1
7
Max.
12.6
5.25
3.30
1.35
1.08
500
1.1
6.8
70
15
35
9
5
1
o
Unit
Unit
mW
mV
C/W
MHz
MHz
Unit
o
o
V
V
V
kHz
kHz
mA
mA
mA
mA
V
V
k
ms
dB
C
C
V
V
V
V
PP
PP
PP
A
PP