HT1062A
2018/12/28 13:24:13
詳細介紹
Low DC line voltage; operates down to 1.6 V
Line operation current range 10...140 mA
Icc 1.35 mA
Voltage gain range:
microphone amplifier 11...52 dB
telephone amplifier 20...31 dB
Voltage regulator with adjustable static resistance
Provides supply for external circuits
Symmetrical high-impedance inputs
(64 k ) for dynamic, magnetic or piezoelectric
microphones
Asymmetrical high-impedance inputs
(32 k ) for electret microphones
DTMF signal input with confidence tone
Mute input for pulse or DTMF dialing
Receiving amplifier for dynamic, magnetic or piezoelectric
earpieces
Large gain setting range on microphone and earpiece
amplifiers