BL34018 데이터 시트보기 (PDF) - Shanghai Belling Co., Ltd.
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BL34018 Datasheet PDF : 16 Pages
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SKO Low Voltage ( Pin 19 = -0.1V, +100 mA
load at Pin 15)
MICROPHONE AMPLIFIER
Mike Amp Gain (Pin 9 = 10mVrms , 1.0 kHz)
VSKOL
GMCI
Mike Amp Input Resistance
LOGAMPS
RMCI
RLO Leakage Current (Pin 8 = VB + 1.0V)
TLO Leakage Current (Pin 6 = VB + 1.0V)
Transmit -Receive Switching Threshold
( Ratio of ITLI to IRLI - at 20 uA - to switch
TX-RX Comparator)
TRANSMIT DETECTOR
XDC Voltage -- Idle Mode
-- TX Mode
CP2 Current Source
DISTORTION
ILKRLO
ILKTLO
ITH
VXDC
ICP2
RX Mode – RXI to SKO
(Pin 27 = 10mVrms ,1.0kHz)
TX Mode – MCI to TXO
(Pin 9 = 5.0mVrms ,1.0kHz)
RXD
TXD
NOTES: 1. V+ = 7.5V, CS = 0.7V except where noted.
BL34018
-- -- 600
mV
9, 32.5 34 35
dB
10
6.5 10 16
kΩ
8 -- -- 2.0
uA
6 -- -- 2.0
uA
5,7 0.8 -- 1.2
25
23 -- 0
--
Vdc
-- 4.0 --
Vdc
12 5.0 10 13
uA
27, -- 1.5 --
%
15
4,9 -- 2.0 --
%
2. RX Mode : Pin 7 = -100 uA, Pin 5 = +100 uA, except where noted.
TX Mode : Pin 5,13 = -100 uA, Pin 7 = +100 uA, Pin 11 = 0V.
Idle Mode: Pin 5 = -100 uA, Pin 7, 13 = +100 uA.
3. Current into a pin designated as +; current out of a pin designated as - .
4. Voltages referred to Pin 22. TA = +25°C.
TEMPERATURE CHARACTERISTICS (-20 to 60°C)
Parameter
V+ Supply Current (V+ = 11V, Pin 18 = 0.7V)
V+ Supply Current (V+ = 11V, Pin 18 = 1.6V)
VCC Voltage ( V+ = 7.5V)
Attenuator Gain ( Max and Min Settings)
Pin
Typical
Units
Change
16
-0.2
%/°C
16
-0.4
%/°C
20
+0.1
%/°C
±0.003
dB/°c
http://www.belling.com.cn
-6-
Total 16 Pages
8/15/2006
Wrote by 2006
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