lv4995tt Sanyo Semiconductor Corporation, lv4995tt Datasheet - Page 7

• Manufacturer Part Number: lv4995tt
• Description: Monaural Btl Power Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

5. Bypass capacitor (C2) of the power supply block
6. BTL voltage gain
7. Short-circuit between pins
8. Short-circuit of load
9. Maximum rating
The bypass capacitor attached to the power pin (pin 7) must be arranged as near to this pin as possible.
Voltage gain of the first amplifier is determined by the ratio of resistors R1 and R2
Accordingly, BTL voltage gain is calculated as follows.
When power is applied with pins left short-circuited, deterioration or damage may result.
Therefore, check before power application if pins are short-circuited with solder, etc. during mounting of IC to the
substrate.
If the load is left short-circuited for a long period of time, deterioration or damage may occur.
Never allow the load to short-circuit.
When IC is used near the maximum rating, there is a possibility that the maximum rating may be exceeded even under
the smallest change of conditions, resulting in failure. Take the sufficient margin for variation of supply voltage and
use IC within a range where the maximum rating will never be exceeded.
1st amplifier voltage gain = 20 × log (R2/R1) · · · · · Unit : dB
BTL voltage gain = 6 + 20 × log (R2/R1) · · · · · Unit : dB
LV4995TT
No.A1226-7/12