ta1372fng TOSHIBA Semiconductor CORPORATION, ta1372fng Datasheet

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ta1372fng

Manufacturer Part Number
ta1372fng
Description
Vhf Band Rf Modulator Ic For Vcrs And Set Top Boxes
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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TA1372FNG
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TA1372FNG
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TOSHIBA
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VHF Band RF Modulator IC for VCRs and Set top boxes
The TA1372FNG is a VHF band RF modulator IC that features
PLL-based RF carrier and sound intercarrier oscillation.
Therefore, PCB design and adjustment with much time are not
required.
of NTSC television system.
Features
x
x Sound Oscillator is all built in IC and external tank circuit is not required.
x The Picture to Sound ratio is set up by external resistance.
x Muted RF output on power-on and as required.
x
x
x
x
There is no external parts of RF Oscillator and Sound Oscillator.
The TA1372FNG is compatible with CH 3 & CH 4 (U.S.A. channel)
These modes are selected by pin 1.
RF Oscillator is all built in IC and external tank circuit is not required.
(U.S.A. channels CH 3 & CH 4)
Reference signal can use 4MHz and 3.579545MHz.
In Carrier off mode, Supply current is saved by stopping Sound VCO.
There is White Clip Through Mode in test mode.
Package is improved to Lead-Free
Formats supported: System M
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
T A 1 3 7 2 F N G
1
Weight: 0.07 g (typ.)
SSOP16-P-225-0.65B
TA1372FNG
2003-12-25

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ta1372fng Summary of contents

Page 1

... There is no external parts of RF Oscillator and Sound Oscillator. Therefore, PCB design and adjustment with much time are not required. The TA1372FNG is compatible with CH 3 & (U.S.A. channel) of NTSC television system. Features RF Oscillator is all built in IC and external tank circuit is not required. ...

Page 2

... Mod. VCO 1/4 RFCarrier OSC Programmable Divider Charge Phase Pump Comp. A.GND Analog Sound Carrier off GND loop signal filter input 2 TA1372FNG Digital Digital P/S ratio V GND CC set D.V D.GND CC Charge Pump Sound Phase Counter Comp. 20.8 kHz Reference Divider X’tal OSC 62 ...

Page 3

... TA1372FNG Note D.V CC Reference signal Mode can be selected this pin. High or Open: 4MHz external input mode Middle: 3.579545MHz external input mode Low: Internal Oscillation Mode with 4MHz X’tal D.GND Sync tip clamp input A.V CC used by AC coupling. ...

Page 4

... Note2: External input mode OFF  D D.GND  A A.GND 4 TA1372FNG Note CC This terminal is selection of Carrier off-mode and Antenna SW driver output. High : Carrier ON Antenna SW High Low or Open : Carrier OFF Antenna SW Low As reference signal, either 4-MHz crystal resonator can 7 be connected to this pin for internal oscillation or external signal can be input ...

Page 5

... D.GND  í.V CC D.GND   A.V CC A.GND  5 TA1372FNG Note Sound VCO oscillation frequency is compared with CC 4.5MHz, and the error is outputted by Charge pump. LPF for high frequency rejection is connected to this terminal. And the voltage for sound VCO control is generated. The reference frequency is 20.8 kHz. ...

Page 6

... Internal oscillation with 4MHz X tal Mode High Test mode White Clip through mode Middle (Test mode) Low or Open Normal mode RF&sound oscillation Antenna SW driver output (pin 14) ON OFF Voltage of pin 8 Channel High or Open USA 3ch (61.25MHz) Low USA 4ch (67.25MHz) 6 TA1372FNG High Low 2003-12-25 ...

Page 7

... Input terminal voltage Operating temperature Storage temperature Note 1: Power dissipation in the IC alone. If the device is operated 25°C , this parameter must be derated by 6.5 mW per 1°C . Symbol Rating Unit 810 GND  0.3 °C 20~75 opr T °C 55~150 stg 7 TA1372FNG 2003-12-25 ...

Page 8

... V4fp - -55 -50 Vph - -53 -50 Ífp4 - Ífp358 -0.008 - +34 8 TA1372FNG Unit Note V MHz fp frequency mA Normal moe,IANT SW=0mA mA Carrier off mode dBôV 50-: termination, staircase (B/W) signal, 0.5-Vp-p input dB 50-: termination, staircase (B/W) signal, 0.5-Vp-p input, Vo(3ch) – Vo(4ch) % White signal:0.5Vp-p input % White signal:1.0Vp-p input % 10-step staircase signal: 0 ...

Page 9

... VIl4 0 - 1.2 V ViH4 1.8 - Vcc V 9 TA1372FNG Note P/S ratio: 16dB set-up, Connecting a 16k ohm resistor between pin 10 and GND. staircase (B/W) signal: 0.5-Vp-p input P/S ratio: 16dB set-up, Connecting a 16k ohm resistor between pin 10 and GND. staircase (B/W) signal: 0.5-Vp-p input, RP/S (3ch) –RP/S (4ch) P/S ratio: maximum set-up, Pin 10 is open ...

Page 10

... Antenna SW driver 4-7 Output voltage High level of VOH Antenna SW driver 5-1 Negative resistance of X’tal RXO oscillator 5-2 Input signal level of external Vosc reference signal Min Typ. Max Unit - 0 0.1 V 3.6 4 4.3 V 15mA load - ká mVp-p External reference signal input Mode 10 TA1372FNG Note 2003-12-25 ...

Page 11

... Input Waveforms White signal 63.5 Ps Staircase (sub-carrier 20 IRE) signal APL 50% 63.5 Ps Input Waveforms may be simplified for explanatory purpose. Staircase (B/W) signal APL50% 63 TA1372FNG 2003-12-25 ...

Page 12

... OSC Programmable Divider Charge Phase Pump Comp. A.GND Pre Emph. Sound signal Carrier off input mode selection High : Carrier on Low,Open : Carrier off 12 TA1372FNG P/S ratio set D.V D.GND CC Charge Pump Sound Phase Counter Comp. 20.8 kHz Reference Divider X’tal OSC 62.5 kHz ...

Page 13

... The Toshiba Semiconductor Reliability Handbook, Integrated Circuits is also available on the semiconductor products information page of the Toshiba Electronic Components and Materials website at the following URL: http://www.semicon.toshiba.co.jp/eng/prd/common/index.html. (Last updated: Dec. 2003) 13 TA1372FNG 2003-12-25 ...

Page 14

... Package Dimensions Weight: 0.07 g (typ.) 14 TA1372FNG 2003-12-25 ...

Page 15

... The products described in this document are subject to the foreign exchange and foreign trade laws. x TOSHIBA products should not be embedded to the downstream products which are prohibited to be produced and sold, under any law and regulations. 15 TA1372FNG 030619EBA 2003-12-25 ...

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