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TA1322FN Datasheet

  • TA1322FN

  • DOWB-CONVERTER IC WITH PLL FOR SATELLITE TUNER

  • 21頁

  • TOSHIBA

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TA1322FN
Preliminary
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA1322FN
Down-Converter IC with PLL for Satellite Tuner
The TA1322FN is a wideband down-converter which can
operate at input frequency ranging from 850 MHz to 2200 MHz.
Intended primarily for use in satellite tuners, this IC includes an
oscillator, a mixer, an IF amplifier and a PLL.
The I
2
C bus data format is used as the data control format.
The supply voltage of 5.0 V helps minimize the tuner鈥檚 power
dissipation, while the compact 30-pin SSOP package allows the
tuner to be kept small.
Features
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Supply voltage: 5.0 V (typ.)
Wide input frequency range
Low phase noise oscillator
Standard I
2
C bus format control
4-MHz (X鈥檛al) buffer output pin
Reference oscillator input change-over switch [X鈥檛al or external input]
33-V high-voltage tuning amplifier built-in
Built-in comparator (P4, P5, P7)
Bandswitch drive transistor (P0) [IBD = 40 mA (max)]
Selected IF output port
Frequency step: 62.5 kHz or 125 kHz (for 4-MHz X鈥檛al)
4-address setting via address selector
Power-on reset circuit
脳1/2 prescaler
Flat compact package: SSOP30-P-300-0.65 (0.65-mm pitch)
Weight: 0.17 g (typ.)
Power-On Reset Operation Conditions
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Frequency step: 125 kHz
Charge pump output current: 鹵50 碌A(chǔ)
Counter data: all [0]
Band driver: OFF
Tuning amplifier: OFF
IF output operation: pin 19 is ON
Note 1: This device can easily be damaged by high voltages or electrical fields. For this reason, please handle it
with care.
1
2002-02-12

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