BL34118 View Datasheet(PDF) - Shanghai Belling Co., Ltd.
Part Name
Description
MFG CO.
'BL34118' PDF : 11 Pages View PDF
BLOCK DIAGRAM
BL34118
Microphone
Mute
Background
Noise Monitor
Level
Detectors
Speaker
Power
Amplifier
Volume
Control
AGC
Tx
Attenuator
Attenuator
Control
ZB
-1.0
Level
Detectors
Background
Noise Monitor
Rx
Attenuator
Dial Tone
Detector
Bias
Filter
Vcc
Chip
Disable
Tip
Ring
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage (Pin 4)
Voltage at CD (Pin 3), MUT (Pin 12)
Voltage at VLC (Pin 13)
Voltage at TXI (Pin 9), RXI (Pin21), FI (Pin 2)
Storage Temperature Range
RECOMMENDED OPERATING LIMITS
Parameter
Supply Voltage (Pin 4)
CD Input (Pin 3), MUT Input (Pin 12)
IVB (Pin 13)
VLC ( Pin 13)
Attenuator Input Signal Voltage (Pins 9, 21)
Microphone Amplifier, Hybrid Amplifier Gain
Load Current @ RXO, TXO (Pins 8, 22)
@ MCO (Pin 10)
@ HTO-, HTO+ (Pins 6, 5)
Ambient Operating Temperature Range
Value
-1.0, +7.0
-1.0, Vcc + 1.0
-1.0, Vcc + 0.5
-0.5, Vcc + 0.5
-65 to +150
Units
Vdc
Vdc
Vdc
Vdc
ºC
Min Typ
3.5
-
0
-
-
-
0.3xVB -
0
-
0
-
0
-
0
-
0
-
-20
-
Max
6.5
Vcc
500
VB
350
40
± 2.0
± 1.0
± 5.0
+60
Units
Vdc
Vdc
µA
Vdc
mVrms
dB
mA
°C
http://www.belling.com.cn
-3-
Total 11 Pages
8/15/2006
Wrote by 2006
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