BU2370FV
BU2370FV is VCO phase comparator manufactured by ROHM.
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Multimedia ICs
VCO + phase parator for TV
BU2370FV is a VCO+phase parator IC used to construct PLL system. Adopting external LPF and divider can generate the PLL system and low jitter clocks. Output can be switched into half. z Applications TV z External dimensions (Unit : mm)
5.0 ± 0.2 z Features 1) VCO can oscillate output (20MHz to 60MHz) 2) High-speed edge trigger type phase parator 3) Can control VCO, and phase parator independently 4) 3.3V signal power supply 5) Small SSOP-B14 package
1.15 ± 0.1 6.4 ± 0.3 4.4 ± 0.2 0.1
0.15 ± 0.1
0.1 0.22 ± 0.1
SSOP-B14 z Absolute maximum ratings (Ta=25°C)
Parameter Symbol VDD VIN Tstg Pd Limits
- 0.5 to +7.0
- 0.5 to VDD+0.5
- 30 to +125 350 Unit V V °C m W
Power supply voltalge Inpuit voltage Operating temperature range Power dissipation
∗An operation is not guranteed. ∗Derating : 3.5m W/°C for operation above Ta=25°C. ∗Radiation resistance design is not used. ∗Power dissipation is measured when BU2370FV is placed on the board. z Remended operating conditions
Parameter Power supply voltage Input H voltage range Input L voltage range Operating temperature Output load Symbol VDD VIH VIL Topr CL Min. 3.15 0.8VDD 0
- 20 Typ. Max. 3.45 VDD 0.2VDD 70 15 Unit V V V °C p F
- -
- -
- -
0.3Min.
1/5
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Multimedia ICs z Block diagram
OUT VDD
Frequency Input1
1/2
OUT VSS
Level Shifter
Frequency Input2
VCO Output
VCO Powerdown and Output
VCO VDD
Phase...
