Rohm BU2611A Pll frequency synthesizer for tuner Datasheet

Audio ICs
PLL frequency synthesizer for tuners
BU2611A / BU2611AF / BU2611AFS
The BU2611 PLL frequency synthesizers work up through the FM band. They feature built-in RF amps with low power
dissipation and high sensitivity.
Applications
Tuners (Mini components, radio cassette players, radio
equipment, etc.)
Features
1) Built-in high-speed prescaler can divide 130
MHzVCO.
2) In addition to the reference FM and AM, also offers
the following 7 frequencies: 100kHz, 50kHz, 25kHz,
10kHz, 9kHz, 5kHz, and 1kHz.
Absolute maximum ratings (Ta = 25C)
Recommended operating conditions
106
3)
4)
5)
6)
3-bit output port (open drain).
Clock output (400kHz).
Time base output (8Hz).
Serial data input (CE, CK, DA).
Audio ICs
BU2611A / BU2611AF / BU2611AFS
Block diagram
Pin descriptions
107
Audio ICs
BU2611A / BU2611AF / BU2611AFS
Electrical characteristics (unless otherwise noted, Ta = 25C, VDD = 5.0V)
Data format
(1)
Division data: For D0 through D13 (For AMN, use D4 through D13.)
(2)
Test data: T0 through T1 are taken as (0, 0).
108
Audio ICs
Data format
(3) P0, P1, P2, P3, TB: port output, time base output
BU2611A / BU2611AF / BU2611AFS
(4)
R0, R1, R2, standard frequency data
(5)
S: input selection data 1: FMIN 0: AMIN
External dimensions (Units: mm)
109
Similar pages