SM6451AVNIPPON Datasheet, PDF (12/12 Pages) Nippon Precision Circuits Inc – Audio Variable Volume IC

Connection 2
3.3R
L ch Input
4Vrms
3.3R
R ch Input
R
1.2Vrms
R
SM6451AV
LIN LOUT
SM6451
RIN ROUT
3.3R
R
3.3R
R
L ch Output
R ch Output
The SM6451AV uses a 1.2 Vrms input reference amplitude. If the input signal is 4 Vrms, then the input must
be reduced by a factor of 1/3.3, and the output increased by a factor of 3.3.
Connection 3
L ch Input
R ch Input
AVDD
LIN LOUT
SM6451
RIN ROUT
AVSS
L ch Output
R ch Output
When there is a possibility that the input peak-to-peak amplitude will exceed the supply voltage, input pro-
tection diodes should be connected to prevent device breakdown.
NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to
improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for
the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits
are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision
Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification.
The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or
malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter,
including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or
indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies.
NIPPON PRECISION CIRCUITS INC.
NIPPON PRECISION CIRCUITS INC.
4-3, Fukuzumi 2-chome
Koto-ku, Tokyo 135-8430, Japan
Telephone: [phone]
Facsimile: 03-3642-6698
NC9704AE 1998.06
NIPPON PRECISION CIRCUITS—12