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LA6548

Sanyo Semiconductor
Part Number LA6548
Manufacturer Sanyo Semiconductor
Description 4Ch Bridge BTL Driver
Published Apr 28, 2008
Detailed Description Ordering number : ENN*7886 LA6548 Overview www.DataSheet4U.com Monolithic Linear IC 4CH Bridge (BTL) Driver for CD T...
Datasheet PDF File LA6548 PDF File

LA6548
LA6548

Overview
Ordering number : ENN*7886 LA6548 Overview www.
DataSheet4U.
com Monolithic Linear IC 4CH Bridge (BTL) Driver for CD The LA6548 is a 4CH bridge (BTL) driver with built-in 3.
3VREG and RESET for CD players.
Functions • Bridge connection (BTL) POWER AMP 4CH.
• Provides MUTE function (Activate for all channels output.
When MUTE is H, output is ON.
) • Built-in 3.
3VREG (with external PNP transistor) • Built-in RESET circuit (with external capacitor, RESET output delay time can be set.
) Specifications Maximum Ratings at Ta = 25°C Parameter Supply voltage Allowable operation Maximum input voltage MUTE pin voltage Operating ambient temperature Storage ambient temperature Symbol VCC max Pd max VINB VMUTE Topr Tstg *Measurement on the specific board Conditions Ratings 14 2.
3 13 13 -20 to +75 -55 to +150 Unit V W V V °C °C *Specific board size: 114.
3mm × 76.
1mm × 1.
6mm, board material: glass epoxy resin.
Recommended Operating Conditions at Ta = 25°C Parameter Operating voltage RESET output SOURCE current RESET output SINK current Symbol VCC IORH IORL Conditions Ratings 4 to 13 0 to 200 0 to 2 Unit V µA mA 52504 JO IM No.
7886-1/3 LA6548 Electrical Characteristics at Ta = 25°C, VCC = 6V, VREF = 1.
65V Parameter [Whole] No-load current consumption 1 No-load current consumption 2 Output offset voltage BUFFER input voltage range Output voltage Closed circuit voltage gain Slew rate MUTE ON voltage [Power supply part] (2SB632K is used) ICC-ON ICC-OFF VOFF VBIN VO VG SR VMUTE *2 All channels output ON, MUTE; H All channels output OFF, MUTE; L Each channel VREF BUFFER AMP input range RL = 8.
0Ω *1 Input/Output gain -50 1.
5 2.
6 3 9 0.
15 1.
2 20 15 40 35 50 VCC-1.
5 mA mA mV V V dB V/µs V Symbol Conditions Ratings min typ max Unit www.
DataSheet4U.
com Output voltage Line regulation Load regulation [Reset part] H reset output voltage L reset output voltage Reset threshold voltage Reset hysteresis voltage Reset output delay time VOUT1 ∆VOLN1 ∆VOLD1 IO = 200mA 4V ≤ VCC ≤ 12V 5mA ≤ IO ≤ ...


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