STV0042A/Z STMicroelectronics, STV0042A/Z Datasheet - Page 31

• Manufacturer Part Number: STV0042A/Z
• Description: Video ICs Analog Sound/Video
• Manufacturer: STMicroelectronics
• Type: Audio DSPr

Specifications of STV0042A/Z

• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP-42
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STV0042A/Z
8.3.2
8.3.3
VCO
Symbol
VCO
Symbol
APA50
FMBW
DPCO
LDOR
DETH
NDFT
NDLL
HLCF
FMIN
AP50
LLCF
LRS
MAX
MIN
Audio Demodulator
Automatic Noise Reduction System
FM Subcarrier Input Level
(FMIN pin for AGC action)
Detector 1 and 2 (AMPLK pins)
(Threshold for activating Level
Detector 2)
VCO Minimum Frequency
VCO Maximum Frequency
1 kHz Audio Level at PLL Output
(DET pins)
1 kHz Audio Level at PLL Output
(DET pins)
FM Demodulator Bandwidth
Digital Phase Comparator Output
Current (CPUMP pins)
Output Level (SUMOUT pin)
Level Detector Output Resistance
(PKOUT pins)
Level Detector Fall Time Constant
(PKOUT pins)
Bias Level (PKOUT pins)
Noise Reduction Cut-off Frequency at
Low Level Audio
Noise Reduction Cut-off Frequency at
High Level Audio
Parameter
Parameter
VCO locked on carrier at 6 MHz
560 k load on AMPLK pins
180 k load on DET pins
8 mV
Carrier without modulation
V
T
V
T
50 kHz dev. FM input at 0.5 V
Coarse deviation set to 50 kHz.
(Reg. 05 = 36h)
50 kHz dev. FM input at 0.5 V
Coarse and fine settings used.
Gain at 12 kHz versus 1 kHz
180 k , 82 k and 22 pF on DET
pins.
Average sink and source current
to external capacitor.
1 V
External 22 nF to GND and
1.2 M
100 mV
330 pF capacitor on FC pins.
1 V
330 pF capacitor on FC pins.
No audio inputs.
AMB
AMB
CC
CC
PP
PP
= 11.4 to 12.6 V
= 11.4 to 12.6 V
PP
= 0 to +70 °C
= 0 to +70 °C
on left and right channels.
on DET pins, external
Test Conditions
Test Conditions
PP
to VREF.
FMIN
on DET pins, external
500 mV
PP
PP
PP
Min.
Min.
2.90
0.92
0.6
0.0
0.9
4.0
10
5
Electrical Characteristics
Typ.
Typ.
3.10
26.4
0.85
7.00
1.0
1.0
0.3
1.0
5.4
2.4
60
Max.
Max.
3.30
1.35
1.08
500
1.0
1.1
6.8
5
mV
Unit
Unit
MHz
MHz
V
V
V
kHz
kHz
ms
dB
µA
k
31/37
V
V
PP
PP
PP
PP