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BL1110A 데이터시트 PDF




BELLING에서 제조한 전자 부품 BL1110A은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 BL1110A 기능
기능 Low voltage versatile transmission IC
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BL1110A 데이터시트, 핀배열, 회로
DESCRIPTION:
BL1110A
BL1110A(BL1001) is a low voltage versatile transmission IC. It offers the
entire microphone, receive and line interface functions required in telephone sets. It
performs the interface between the line and the transducers of the handset. It includes
a DTMF amplifier, a microphone amplifier and a receive amplifier. The selection
between the microphone amplifier and the DTMF amplifier is made with a “MUTE”
function. The MUTE/input switches-off both the microphone and the receive
amplifiers and switches-on the DTMF amplifier.
FEATURES
Low DC line voltage: operates down to 1.6 V
Voltage regulator with adjustable DC voltage
Provides a supply for external circuits
Symmetrical high impedance inputs (64 kW) for dynamic, magnetic or piezo-
electric microphones
Asymmetrical high impedance input (32 kW) for electrets microphones
DTMF input with confidence tone
MUTE input for pulse or DTMF dialing
Receiving amplifier for dynamic, magnetic or piezo-electric earpieces
AGC line loss compensation for microphone and earpiece amplifiers.
Line powered telephone sets, cordless telephones, fax machines, answering
machines.
BLOCK DIAGRAM
BL1001
http://www.belling.com.cn
-1-
Total 8 Pages
8/10/2006
Wrote by 2006




BL1110A pdf, 반도체, 판매, 대치품
Gvtx
voltage gain from
MIC+/MIC- to LN
VMIC = 4mV (RMS )
Gvtx ( f )
gain variation with
frequency
referred to 1 kHz
f = 300 ~ 3400 Hz
Gvtx (T )
gain variation with
temperature
referred to 25 °C
Tamb = −25oC ~ 75oC
VLN (max)
maximum sending signal
(RMS value)
Iline = 15mA;THD = 2%
Iline = 4mA;THD = 2%
Receiving amplifier (pins IR, QR and GAR)
zi input impedance
Gvrx
voltage gain from IR to
QR
Gvrx ( f )
gain variation with
frequency
referred to 1 kHz
Gvtx (T )
gain variation with
temperature
referred to 25 °C
Vo(max)
maximum receiving signal
(RMS
value)
Automatic gain control (pin AGC)
gain control range for
Gvtrx
microphone
and receiving amplifiers
with
respect to Iline = 15 mA
I start
highest line current for
maximum gain
I stop
lowest line current for
minimum gain
DTMF amplifier (pin DTMF)
VIR = 4mV (RMS )
f = 300 ~ 3400 Hz
Tamb = −25oC ~ 75oC
RL = 150;THD = 2%
RL = 450;THD = 2%
Iline = 85mA
zi input impedance
42.7
1.4
32
Gvdtmf
voltage gain from DTMF
to LN
Gvdtmf ( f )
gain variation with
frequency
referred to 1 kHz
Gvdtmf (T )
gain variation with
temperature
referred to 25 °C
voltage gain from DTMF
Gvct to QR
(confidence tone)
Mute function (pin MUTE)
VIL LOW level input voltage
VIH HIGH level input voltage
I
MUTE
input current
Gvtrxm
gain reduction for
microphone and
receiving amplifiers
MUTE = LOW
VDTMF = 20mV (rms)
f = 300 ~ 3400 Hz
24.1
Tamb = −25oC ~ 75o C
VDTMF = 20mV (rms)
RL = 150
VEE 0.4
VEE + 1.5
MUTE = LOW
BL1110A
43.7 44.7 dB
± 0.2
dB
± 0.3
1.7
0.8
dB
V
V
20
33 34
± 0.2
k
dB
dB
± 0.3
0.25
0.35
dB
V
V
5.9 dB
23 mA
56 mA
20 k
25.3 26.5 dB
± 0.2
dB
± 0.4
dB
-15 dB
VEE + 0.3 V
VCC + 0.4 V
1.5
uA
80
dB
http://www.belling.com.cn
-4-
Total 8 Pages
8/10/2006
Wrote by 2006

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BL1110A 전자부품, 판매, 대치품
BL1110A
Fig.3 Voltage gain from IR to QR
Fig.4 Voltage gain from DTMF to LN
http://www.belling.com.cn
-7-
Total 8 Pages
8/10/2006
Wrote by 2006

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부품번호상세설명 및 기능제조사
BL1110A

Low voltage versatile transmission IC

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