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TB2110FN
PLL For DTS
TB2110FN
TOSHIBA Bi−CMOS Integrated Circuit Silicon Monolithic
TB2110FN PLL For DTS
The TB2110FN is a high−speed PLL LSI built in a 2 modulus
prescaler that can operate with a 1.5V power supply.
Each function is controlled via three serial bus lines, allowing you
to configure a high−performance digital tuning system.
Features Due to a Bi−CMOS structure, the 1.5V power supply is
stepped up and stabilized by a bipolar circuit to drive the
CMOS section. Therefore, this chip is best suited for digital
tuning system in headphone stereos. Built in a prescaler, this IC can operate with TV: 50~250MHz
and FM: 40~150MHz (2 modulus type) for the FMIN input or
at 0.5~40MHz for the AMIN input (2 modulus type or directly
divided). Comes with a 20 bit programmable counter, two parallel output phase comparators, crystal oscillator, reference
counter, and a DC / DC converter control circuit. The crystal oscillator (X’tal) used in this IC is a 75kHz resonator. The reference frequency can be selected from seven frequencies available. (ref = 1.0~25kHz) A 20 bit general−purpose counter is built in that can measure the IF and other frequencies. All device operations are controlled via three serial bus lines. Operating voltage range: VCC = 1.0~2.5V (Ta = −20~75°C) Package is SSOP24pin.
Weight: 0.31g (typ.)
