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PDF LC7537N Data sheet ( Hoja de datos )

Número de pieza LC7537N
Descripción Electronic Volume Control System for Audio Equipment
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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No Preview Available ! LC7537N Hoja de datos, Descripción, Manual

Ordering number : EN2169C
CMOS LSI
LC7537, 7537AN, 7537NE
Electronic Volume Control System for
Audio Equipment
Overview
The LC7537N is an electronic control LSI capable of
electronically controlling the volume, balance, loudness,
fader, bass, and treble functions individually with fewer
externally connected component parts.
Features
• Enables controlling the below-listed functions with 3-
line serial data, including CE, DI, and CLK. Also, due
to 0 V to 5 V swing of the serial data input voltage,
permits the use of a general purpose microcomputer.
Volume : Separately controls the Lch and Rch
volume levels across 81 positions over
the 0 dB to –79 dB (in 1 dB steps) range
and –, and consequently also serves
balance control purposes.
Loudness : By virtue of a center tap provided at the
–20 dB position of the volume
controlling ladder resistors, permits
loudness to be controlled with
externally connected CR components.
Fader :
By varying only the rear or front output
level across 16 positions, provides fader
functions (in 2 dB steps over the 0 dB to
–20 dB range, and 5 dB steps over the
–20 dB to –45 dB range, and at –, for
a total of 16 positions).
Bass/Treble : With CR components externally
connected, forms an NF type tone
control circuit (Baxandall type) to
exercise control across 15 positions
over both the bass and treble functions
in 2 dB steps.
• By virtue of its CMOS structure, the LSI operates under
a broad power supply voltage range from +4.5 V to +15
V, permitting the use of either a single or a dual ± power
supply, whichever is preferred.
Package Dimensions
unit : mm
3025B-DIP42S
[LC7573N]
unit : mm
3156-QFP48E
[LC7537NE]
unit : mm
3052A-QFP48A
[LC7537AN]
SANYO: DIP42S
SANYO: QIP48E
SANYO: QIP48A
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
81096HA(OT)/31293JN/7018YT/6186KI,TS No. 2169-1/11

1 page




LC7537N pdf
Control Timing
LC7537N, 7537AN, 7537NE
Data Format
No. 2169-5/11

5 Page





LC7537N arduino
LC7537N, 7537AN, 7537NE
s No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace
equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of
which may directly or indirectly cause injury, death or property loss.
s Anyone purchasing any products described or contained herein for an above-mentioned use shall:
ΠAccept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and
distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all
damages, cost and expenses associated with such use:
 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on
SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees
jointly or severally.
s Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied
regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of November, 1997. Specifications and information herein are subject to
change without notice.
No. 2169-11/11

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