D665
DESCRIPTION
D665 was developed stereos, and for use in headphone incorporates
D665 dual preamp, power amp, electronic VR and mo tor control circuits. It can be used in a si mp le circuit configuration Which requires very few external co mponents.
FEATURES z Broad operating voltage range of 2.0 to Ou tlin e d rawin g 5.0V (amp syste m o p erates to 1 .8V) z Few external ponents required 1. Internal equalizer resistance 2. Direct coupling of preamp s, electronic VR, power a mp 3. No need for outpu t coupling capacitor z Well-balanced electronic VR, A-curve attenuation characteristic obtained with B-curve VR z z z Internal motor control circuit , with no ise from mo tor driving un it suppressed Provided with pin to turn off prea mp s Package: SOP28
PIN CONNECTION
OUT2 19
GND 28 PRE 27 IN2 PRE 26 IN2 NF2 25 PRE OUT2 24 ATT 23 IN2 PRE 22 OFF Filter 21
Vcc 20
CONT 18 OFF Vcc2 17 12 M GND
RML 16
13 Motor+ 14 Motor ON
1 PRE 2 IN1 3 PRE IN1 4 NF1 PRE 5 OUT1 6 ATT IN1 7 VR 8...
