pbl388121so ETC-unknow, pbl388121so Datasheet - Page 3

• Manufacturer Part Number: pbl388121so
• Description: Voice-switch Circuit Handsfree Speakerphone
• Manufacturer: ETC-unknow

Electrical Characteristics
f = 1 kHz, T = 25 C, R
I
Parameter
Speech control section
Terminal voltage, V
Internal reference voltage, V
Frequency response for all amplifiers
Transmit gain, 20 •
Receive gain, 20 •
Max transmit detector gain,
20 •
Max receive detector gain,
20 •
Background noise rectifier gain, (note 1) 3
+ Tx
- Tx
- Rx
Tx
Rx
F2
F5
Transmitter channel output swing, v
Receiver channel output swing, v
Transmitter output noise, v
Receiver output noise, v
Tx
Rx
Tx
Rx
Tx
Rx
N
N
D
=1.0mA unless otherwise noted.
Det
Det
Out
Det
Det
Det
Out
Out
Out
Det
Det
Det
In
In
10
10
sink current (fast charge), I
source current, I
In
ac, load impedance
sink current, I
source current, I
swing relative to V
ac, load impedance
ac, load impedance
swing relative to V
input impedance
ac, load impedance
source current, I
sink current, I
input impedance
log(V
log(V
input impedance
Txdet
Rxdet
/V
/V
Txin
Rxin
10
TxDetOut
+
10
RxDetOut
)
)
log(V
NDet
log(V
TxDet
RxDetOut
CTR
Ref
Ref
RxOut
=0, C
, V
Rxout
, V
Txout
TxOut
Ref
TxDetOut
RxDetOut
/V
/V
TxDet
NDet
Rxin
Txin
RxOut
= 0, R
)
)
TxOut
Txout
fig.
Ref.
3
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
= , R
I
200 - 3400 Hz, Relative 1 kHz
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
2% distortion,R
2% distortion,R
V
V
V
V
V
V
V
V
V
V
V
V
D
CMP
CMP
CMP
CMP
CMP
CMP
CMP
CMP
TxDet
CMP
CMP
RxDet
CMP
CMP
CMP
CMP
CMP
CMP
TxDetIn
RxIn
CMP
RxDetIn
TxDetIn
RxDetIn
TxDetIn
CMP
TxDetIn
CMP
Condition
= 1.0mA
Rxout
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
< 200 mV
< 200 mV
= , R
= V
= V
= V
= V
= V
= V
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
- 0.1 V
+0.1 V
- 0.1 V, C
+ 0.1 V, C
- 0.1 V
+ 0.1 V
- 0.1 V R
+ 0.1 V R
+ 0.1 V
- 0.1 V
+ 0.1 V R
- 0.1 V R
- 0.1 V
+ 0.1 V
- 0.1 V
- 0.1 V, v
+ 0.1 V, v
- 0.1 V
- 0.1 V
+ 0.1 V
F2out
+ 0.1 V
+ 0.1 V
- 0.1 V
+ 0.1 V
- 0.1 V
+ 0.1 V
p
Txout
Txout
p
= , R
, C
, C
=R
=R
Tx
Tx
TxIn
Txdet
CTR
CTR
RxIn
Txdet
CTR
CTR
= 100nF
= 100nF
Rxout
Rxout
F5out
= 0 V
=100k, V
=100k, V
=1 F
= 0 V
=100k, V
=100k, V
=1 F
=25k
=25k
= , R
CTR
Tx
CTR
CTR
CTR
= 0, R
=V+
=V+
=V+
=V+
Rx
= 0, C
Min.
-1
41.5
41.5
26.5
26.5
37
22.5
80
2.4
16
10
10
10
10
2.5
-30
(note 2)
(note 2)
3
RxDet
= 0 and
Typ.
3.3
1.96
44
-6
44
19
29
-21
29
4
67.5
42.5
53
28
6.0
Hold
100
3.0
20
500
500
-75
-75
-6.0
6.0
-0.7
+0.7
-4.5
5
PBL 388 12
Max.
1
-3.5
21.5
-18.5
6.5
120
3.6
24
-2.5
30
-1.5
7
Unit.
dB
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
k
k
k
k
k
k
mV
mV
dB
mA
V
V
mA
k
mA
A
A
A
psof
A
p
p
3