BU1924F Rohm, BU1924F Datasheet
BU1924F
Available stocks
Related parts for BU1924F
BU1924F Summary of contents
Page 1
... Audio ICs RDS / RBDS decoder BU1924 / BU1924F The BU1924 and BU1924F are RDS / RBDS decoders that employ a digital PLL and have a built-in anti-aliasing filter and an eight-stage BPF (switched-capacitor filter). Linear CMOS circuitry is used for low power consumption Applications RDS / RBDS compatible FM receivers for American and European markets, car stereos, high-fidelity stereo systems and components, and FM pagers ...
Page 2
... V and V are separated within the IC. DD1 DD2 ∗2 : Have V (digital power supply sufficiently low impedance. DD2 ∗3 : Match the capacitor constants with the crystal manufacturer BU1924 / BU1924F 560p CMP (7) (8) V SS3 comparator RCLK (16) QUAL (1) RDATA (2) Bi-phase Differential decoder decoder ...
Page 3
... Composite signal input (refer to input/output circuits) − C-junction (refer to input/output circuits ) Open or connected to ground Connects to 4.332MHz oscillator (refer to input/output circuits) − 1187.5Hz clock (refer to the timing diagram) Type B Type E + BU1924 / BU1924F Input/Output type Type C Type C Type E Type F − − Type D Type B − ...
Page 4
... Hz − − µs 4 =421µ BU1924 / BU1924F = 5.0V 0.0V) SS1 SS2 SS3 Conditions +I I DD1 DD2 Pin 3 =V MUX V IN DD1 =V MUX V IN SS1 = DD2 = SS2 =−1.0mA RCLK RDATA QUAL ...
Page 5
... FREQUENCY : f ( Fig.1 Band-pass filter characteristics ! ! ! ! External dimensions (Units : mm) BU1924 19.4±0 2.54 0.5±0.1 DIP16 BU1924F 16 7.62 0°~15° BU1924 / BU1924F ± 10.0 0 ± 1.27 0.4 0.1 0.3Min. 0.15 SOP16 5/5 ...