TA1303AFN Datasheet PDF - Toshiba Semiconductor

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TA1303AFN
Toshiba Semiconductor

Part Number TA1303AFN
Description MIXER/OSCILLATOR BUILT-IN FREQUENCY SYNTHSIZER
Page 27 Pages


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TENTATIVE
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT
SILICON MONOLITHIC
TA1303AFN
TA1303AFN
MIXER / OSCILLATOR BUILT-IN FREQUENCY SYNTHESIZER FOR VHF, CATV AND
UHF BAND.
The TA1303AFN is a single chip which integrates a PLL and a
MIX · OSC for VHF, CATV and UHF band.
The control data conforms to 3-wire bus and I2C bus formats.
Bus-SW can be used to easily switch for easy tuner system set-up.
Flat, compact package: SSOP30 (0.65 mm pitch)
FEATURES
l MIX · OSC block
· VHF · CATV bands: Mixer and Oscillator
· UHF bands: Mixer and Oscillator
· Built-in IF amplifier
· Single IF output terminal
l PLL block
· Standard bi-directional I2C bus format control
Weight: 0.17g (Typ.)
· 3-wire bus format control
· 18-bit and 19-bit automatical discrimination circuit (when 3-wire bus selected)
· Tuning amplifier
· 4-bit bandswitch drive transistor
· 5-levels A / D convertor (when I2C bus selected)
· Frequency step: 31.25 kHz, 50 kHz and 62.5 kHz (at 4 MHz X’tal used)
· 4 programmable chip addresses (when I2C bus selected)
· Power on reset circuit
· 1 / 4 prescaler
Note: These devices are easy to be damaged by high static voltage or electric fields.
In regard to this, please handle with care. To input summary items.
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BLOCK DIAGRAM
TA1303AFN
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TERMINAL FUNCTION
PIN
No.
PIN NAME
FUNCTION
1 CL / SCL
3-wire bus : clock data input
I2C bus : serial clock data input
Please refer the description (Table. 1) on
page 13.
TA1303AFN
INTERFACE
2 DA / SDA
3-wire bus :data input
I2C bus :serial data input /output
Please refer the description (Table. 1) on
page 13.
3 EN / ADR
3-wire bus : enable data input
I2C : address select input
Please refer the description (Table. 1) on
page 13.
30 VCC3
4
5
Band1~Band4
6
7
This is power supply pin for Band circuits.
This can use, from 5 V to 9 V.
Output can be controlled by setting the
band switch data.
U / V band can be switched by setting the
band switch data.
Please refer the description (Table. 5) on
page 21.
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PIN
No.
PIN NAME
FUNCTION
8
MIX Output
9
The output terminal of MIXER.
For tuning, connect a tank circuit between
pins 8 and 9.
10 VCC1
11 BUS-SW
12 GND1
This is power supply pin for analog circuit.
A changeover switch of control data.
3-wine bus and standard I2C bus are
switches by the voltage applied on this
pin.
Please refer the description (Table. 1, 2)
on page 13 and 14.
This is the ground pin for analog circuit.
13 VHF Input
VHF-RF input.
14
UHF Input
15
UHF-RF input.
It is possible to input either balanced or
unbalanced circuit.
16
VHF Oscillator
18
VHF oscillator pins.
In case of production abnormal
oscillation, connect a resistor between pin
18 and the external capacitor.
17 GND2
This is the ground pin for analog circuit.
TA1303AFN
INTERFACE
4 2003-04-02



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TA1303AFN MIXER/OSCILLATOR BUILT-IN FREQUENCY SYNTHSIZER TA1303AFN
Toshiba Semiconductor
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