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