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PBL38814 Datasheet(数据表) 4 Page - Ericsson

部件型号  PBL38814
说明  Voice - switched 2-channel Circuit with loudspeaker amplifier
下载  14 Pages
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制造商  ERICSSON [Ericsson]
网页  http://www.ericsson.com
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PBL38814 Datasheet(HTML) 4 Page - Ericsson

 
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4
PBL 388 14
Ref.
Parameter
fig.
Conditions
Min.
Typ.
Max.
Unit.
N
Det leakage current (hold), INDet
2V
TxDetIn = VRef - 0.1 V,
-100
nA
V
CMP = VRef + 0.1 V,
N
Det swing relative to VRef , VNDet
2V
TxDetIn = VRef + 0.1 V,
0.45
V
V
CMP= VRef - 0.1 V
CMP (comparator) sensitivity,
2
Tx mode = max Tx gain,
40
80
mV
transmit (Tx) mode to receive
12
Rx mode = max Rx gain
(Rx) mode or vice versa
CTR voltage for 25 dB dynamics, V
CTR
2,14
R
CTR=100kΩ
V
+
V
CTR voltage for mute, V
CTR
2,14
1.1
1.6
V
CTR voltage for disable, V
CTR
2,14
0.9
V
Loudspeaker amplifier
Operating voltage, V
A
3
2.5
12
V
Current consumption (no signal), I
+L
3V
A = 3.0 V
1
2.3
mA
3V
A = 5.0 V
2
mA
3V
A = 12.0 V
4
9
mA
Current consumption
3
V
A = 3.0 V
7
mA
(output swing at 5% dist.)
3
V
A = 5.0 V
13
mA
3V
A = 12.0 V
30
mA
Swing at 5% dist., V
Out
3V
A = 3.0 V
0.6
0.85
V
p
3V
A = 5.0 V
1.5
1.7
V
p
3V
A =12.0 V
3.6
4.0
V
p
Gain
3
V
A =5.0 V,
I
VOL = 0
34.5
36.5
38.5
dB
Frequency response
3
200 to 3400 Hz, relative 1kHz,
-1
1
dB
Amplifier power efficiency (5% dist), n
3
V
A = 3.0 to 12.0 V,
n = 100 • P
Load/PSupply
40
%
Input impedance pin 23
3
24
30
36
k
Notes
V
NDet - VRef
1.
20 • 10log (
)
V
TxDet - VTxDetO
V
NDet
= voltage at noise detector output
V
Ref
= reference voltage (about 2 V) see figure 2.
V
TxDet
= Voltage at transmit detector output.
V
TxDetO=
voltage at transmit detector output at the point
when the voltage at the noise detector starts
moving when a signal at transmit channel input is
gradually increased (threshold, typical value 30 mV)
2.
Depends on V
+. Channels are tracking.




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