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PDF AN39 Data sheet ( Hoja de datos )
| Número de pieza | AN39 | |
| Descripción | 0.300-INCH SEVEN SEGMENT DISPLAYS | |
| Fabricantes | QT Optoelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AN39 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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ICs for VCR
AN3969K
Electronic volume IC for HiFi VCR
s Overview
The AN3969K is a stereo electronic volume IC
which has been developed for a HiFi video, en-
abling to switch four inputs of a single channel and
to input from microphone.
s Features
• Both L/R-independent volume control and balance
control are available
• Switching four inputs with a single channel is
possible
• Electronic volume off function
• Mic. mixing function
s Applications
• HiFi VCR
19.1±0.3
22 12
1 11
1.778
Seating plane
0.5±0.1
0.90±0.25
SDIP022-P-0300A
Unit: mm
7.62±0.25
3°
to
15°
0.35+–00.1.005
1
1 page  
ICs for VCR
AN3969K
s Electrical Characteristics at VCC = 5 V, pin 8 = 3 V, pin 9 = 3 V, Ta = 25°C (continued)
• Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ Max
Input selection CTL A (low) *
Input selection CTL A (high) *
Input selection CTL B (low) *
Input selection CTL B (high) *
EVR individual CTL mode
DINAL Pin 2 input
DINAH Pin 2 input
DINBL Pin 3 input
DINBH Pin 3 input
DVOLL Pin 4 input (low)
0 1.5
3.5 5
0 1.5
3.5 5
0 1.5
EVR balance mode
DBALH Pin 4 input (high)
3.5 5
EVR on mode
DEONL Pin 10 input (low)
0 1.5
EVR off mode
DEOFFH Pin 10 input (high)
3.5 5
Mic. on mode
DMONL Pin 18 input (low)
0 1.5
Mic. off mode
EVR out L/R difference
DMOFFH Pin 18 input (high)
VEOLR Typical input, pin 8, pin 9 = 3 V,
ratio of EVR out L to R
3.5 5
0
EVR off level L
VEOFFL EVR off mode, typical input,
EVR out L measurement
−20
EVR off level R
VEOFFR EVR off mode, typical input,
EVR out R measurement
−20
Note) 1. Typical input = (In1 input, VIN = −20 dBs, fIN = 1 kHz, L/R simultaneous input)
2. *: In1 input selection mode: pin 2 = low, pin 3 = low, In2 input selection mode: pin 2 = high, pin 3 = low
In3 input selection mode: pin 2 = low, pin 3 = high, In4 input selection mode: pin 2 = high, pin 3 = high
Unit
V
V
V
V
V
V
V
V
V
V
dB
dBs
dBs
s Terminal Equivalent Circuits
Pin No.
Equivalent circuit
1
Pin 1
11
12
13
14
20
21
22
VCC
200 Ω
50 kΩ
VREF 2.5 V
1 kΩ
Description
In1(L-ch.) input:
Audio signal
Typical = −20 dBs (1 kHz)
Pin voltage
(typ) (V)
2.5
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AN39.PDF ] | |
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