TDA4092 ,5 BIT BINARY TO 7-SEGMENT DECODER DRIVERCFi'' G -1110MSO
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TDA4092
5 BIT BINARY TO 7-SEGMENT DECODER DR ..
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VCR
SWITCH
TURN ON
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TDA 4282 T
Quasi-Parallel Sound IC with FM IF,
Sym. Input and Volume Control
The TD ..
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0 High signal-to-noise ratio
0 Low total harmonic disto ..
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TDA4092
5 BIT BINARY TO 7-SEGMENT DECODER DRIVER
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TDA4092
5 BIT BINARY TO 7-SEGMENT DECODER DRIVER
a ROM MASK OPTION
:1 STANDARD CONFIGURATION FOR 2 DIGIT 7-
SEGMENT LED TO PRESENT THE NUMBERS .
1 TO 32
u CONSTANT CURRENT OUTPUT STAGES
FOR DIRECT DRIVING OF COMMON ANODE
u OUTPUT PROVIDED TC) DISPLAY THE
STAND-BY MODE
u AV OUTPUT ACTIVATED WHENEVER PRO-
GRAM 32 IS SELECTED
n TTL COMPATIBLE INPUTS
u 5 V SUPPLY VOLTAGE
DESCRIPTION
The TDA4092 is a monolithic integrated circuit de-
signed to display the program number (1 to 32) in
TV or Radio sets in conjunction with voltage or fre-
quency synthesizers. The inputs accept a 5 bit bi-
nary code with TTL levels and have internal pull-up.
The outputs can directly drive LED display elements
with common anode.
One of these outputs is intended to display the
stand-by mode of the set.
CONNECTION DIAGRAM (top view)
No external resistors are required if the LEDs are
supplied at 5 V.
The LEDs can also be supplied with higher voltage
(up to 18 V) but in this case a single resistor in series
with the LED elements must be used in order to limit
the power dissipation of the IC ; moreover, a suit-
able Rext must be chosen.
The circuit is produced in Ih.. technology and is avail-
able in a 24 pin dual in-Iine plastic package.
ORDER CODE 2 TDA4092
GND t a
PA iii 2
PB L 3
1"1fg PC t4
PD , 5
PE ii s
xgpaazaw C Cs
i,'gllpcA'" d to
ememness
23 J CONTROL
22 l STAND- BY INPUT
21 il DECIMAL
pong OUTPUT
20 AV OUTPUT
PEN - COLLECTOR)
oil c OUTPUTS
(TO THE LEAST
l d SIGNIFICANT
15 DIGIT)
October 1988
TDA4092
BLOCK DIAGRAM
PA VOLTAGE
ReFEReNue
R pa IYLQOIZL
'BN'SGTSV P L E VEL
PO TRANSLATOR INJ ECTOR
CURRENT
PE SUPPLY
BRIGHTNESS
CONTROL
STAND - BY
DECIMAL POINT
OUTPUT
N(OPEN COLLECTOR
OUTPUT)
TO DISPLAY
GND s - 5225
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs Supply Voltage 10 V
VI Input Voltage 10 V
Vo (off) Off State Output Voltage 20 V
IOL Output Current 22 mA
Ptot Total Power Dissipation at Tamb = 55 'C 0.8 W
Tstg, T, Storage and Junction Temperature - 25 to 150 ot
Top Operating Temperature 0 to 70 (
THERMAL DATA
Rm i-arrto Thermal Resistance Junction-ambient Max 120 °C/W
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