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PDF TA1281 Data sheet ( Hoja de datos )

Número de pieza TA1281
Descripción UHF / VHF Tuner IC
Fabricantes Toshiba 
Logotipo Toshiba Logotipo



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TA1281F,TA1281FA,TA1281FN
TENTATIVE TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA1281F,TA1281FA,TA1281FN
UHF / VHF TUNER IC
The TA1281F, TA1281FA, and TA1281FN are TV tuner ICs which
integrate on a single chip IF amp, a mixer / oscillator for VHF
band and cable TV, together with a mixer / oscillator for UHF
band.
Supply voltage of 5V helps lower power dissipation from the set.
Compact 16-pin SSOP makes the tuner more compact.
FEATURES
= Supply voltage
: 5V
= VHF, CATV bands : MIX · OSC
= UHF band
: MIX · OSC
= Built-in IF amp
= IF unbalanced output
= Low power dissipation
Note:
These devices are easy damaged by high static voltage
or electric fields. In regards to this, please handle with
care.
Weight
SSOP16-P-225-1.000A : 0.14g (Typ.)
SOP16-P-225-1.27
: 0.16g (Typ.)
SSOP16-P-225-0.65B : 0.07g (Typ.)
000707EBA2
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general
can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the
buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and
to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or
damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the
most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling
Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal
equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are
neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document
shall be made at the customer’s own risk.
2001-02-21 1/12

1 page




TA1281 pdf
TA1281F,TA1281FA,TA1281FN
AC CHARACTERISTICS (Unless otherwise specified, VCC=5V, Ta =25°C)
No. CHARACTERISTIC
1 Conversion Gain
SYMBOL
TEST
CIR-
CUIT
CG 2
TEST CONDITION (*2)
MIN. TYP.
VHF-L
VHF-H
18
16
21
21
UHF 19 24
VHF-L 10.5
2 Noise Figure
NF 2
VHF-H 12.5
UHF
11.0
VHF-L
5
7
3 IF Out Power Level
IFp 2
VHF-H
5
7
UHF
5
7
VHF-L
4 Conversion Gain Shift
CGs
2
(Note 1) VHF-H
UHF ― ―
VHF-L
5 Frequency Shift
fB 2
(Note 2) VHF-H
UHF ― ―
VHF-L
6 Switching On Drift
fs 2
(Note 3) VHF-H
UHF ― ―
VHF-L 81.0 82.5
7 1 % Cross Modulation
CM 2
(Note 4) VHF-H 79.0 82.0
UHF 78.0 79.5
VHF-L 56 62
8 Inter Modulation
IM3 2
(Note 5) VHF-H 54 61
UHF
54 62
9 6-ch Beat
B6 2
VHF-L
(6ch)
55
60
(Note 6) VHF-H
UHF ― ―
MAX. UNIT
24
23
27
11.5
14.5
13.0
±1.0
±1.0
±1.0
±200
±350
±200
±100
±100
±150
dB
dB
dBmW
dB
kHz
kHz
dBµV
dBc
dBc
*2 : fIF : 45.75 [MHz]
VHF-L : fRF=55.25 [MHz]~127.25 [MHz]
VHF-H : fRF=133.25 [MHz]~367.25 [MHz]
UHF : fRF=373.25 [MHz]~801.25 [MHz]
2001-02-21 5/12

5 Page





TA1281 arduino
PACKAGE DIMENSIONS
TA1281F,TA1281FA,TA1281FN
Weight: 0.16g (Typ.)
2001-02-21 11/12

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