BL34118 View Datasheet(PDF) - Shanghai Belling Co., Ltd.
Part Name
Description
MFG CO.
'BL34118' PDF : 11 Pages View PDF
ATTENUATOR CONTROL (TA = +25°C)
CT Voltage ( Pin 14 – VB)
Rx Mode (VLC = VB)
Idle Mode
Tx Mode
CT Source Current (switching to Rx mode)
CT Sink Current (switching to Tx mode)
CT Slow Idle Current
CT Fast Idle Internal Resistance
VLC Input Current
Dial Tone Detector Threshold
BL34118
VCT
ICTR
ICTT
ICTS
RFI
IVLC
VDT
mV
-
+240
-
-
0
-
-
-240
-
-85
-60
-40
µA
+40 +60 +85
µA
-
0
-
µA
1.5
2.0
3.6
kΩ
-
-60
-
nA
10
15
20
mV
MICROPHONE AMPLIFIER (TA = +25°C, VMUT ≤ 0.8V, AVCL = 31 dB unless otherwise noted)
Output Offset (VMCO – VB, Feedback R = 180 kΩ)
MCOVOS -50
0
+50
Open Loop Gain (f < 100 Hz)
AVOLM
70
80
-
Gain Bandwidth
GBWM
-
1.0
-
Output High Voltage (Iout = -1.0mA, Vcc = 5.0V)
VMCOH
3.7
-
-
Output Low Voltage (Iout = +1.0mA)
VMCOL
-
-
200
Input Bias Current (@ MCI)
IBM
-
-40
-
Muting (∆Gain) (f = 1.0KHz, VMUT = 2.0 V)
GMT
-55
-
-
(300 Hz < f < 10 kHz)
-
-68
-
MUT Input Resistance ( Vcc = VMUT = 6.5V)
RMUT
50
90
-
MUT Input – High
VMUTH
2.0
-
Vcc
MUT Input – Low
VMUTL
0
-
0.8
Distortion ( 300 Hz < f < 10 kHz)
THDM
-
0.15
-
mVdc
dB
MHz
Vdc
mVdc
nA
dB
kΩ
Vdc
Vdc
%
HYBRID AMPLIFIER (TA = +25°C)
HTO- Offset (VHTO- - VB, Feedback R = 51 kΩ)
HTO- to HTO+ Offset (Feedback R = 51 kΩ)
Open Loop Gain ( HTI to HTO-, f < 100 Hz)
Gain Bandwidth
Closed Loop Gain ( HTO- to HTO+)
Input Bias Current ( @ HTI)
HTO- High Voltage ( Iout = -5.0 mA)
HTO- Low Voltage ( Iout = +5.0 mA)
HTO+ High Voltage ( Iout = -5.0 mA)
HTO+ Low Voltage ( Iout = +5.0 mA)
Distortion ( 300 Hz < f < 10 kHz, See Figure 1)
HVOS
HBVOS
AVOLH
GBWH
AVCLH
IBH
VHT-H
VHT-L
VHT+H
VTH+L
THDH
-20
-30
60
-
-0.35
-
3.7
-
3.7
-
-
0
+20 mVdc
0
+30 mVdc
80
-
dB
1.0
-
MHz
0 +0.35 dB
-30
-
nA
-
-
Vdc
-
250 mVdc
-
-
Vdc
-
450 mVdc
0.3
-
%
http://www.belling.com.cn
-5-
Total 11 Pages
8/15/2006
Wrote by 2006
Share Link: 
