ts34118 Taiwan Semiconductor Company, Ltd. (TSC), ts34118 Datasheet - Page 3

• Manufacturer Part Number: ts34118
• Description: Voice Switched Speakerphone Circuit
• Manufacturer: Taiwan Semiconductor Company, Ltd. (TSC)

TS34118
Electrical Characteristics
Attenuators-continued (T
TXI input resistance (TXI<350mVrms)
Gain tracking (G
Attenuator Control (T
C
C
C
C
C
Microphone Amplifier (T
Output offset (V
Open loop gain (f<100Hz)
Gain bandwidth
Output High voltage (Iout=-1.0mA, Vcc=5.0V)
Output Low voltage (Iout=+1.0mA)
Input bias current (@MCI)
Muting (ûGain) (f=1.0KHz, V
MUT input resistance (Vcc=V
MUT Input-High
MUT Input-Low
Hybrid Amplifiers (T
HTO-offset(V
HTO- to HTO+ offset (Feedback R=51K )
Open loop gain(HTI to HTO-, f<100Hz)
Gain bandwidth
Closed loop gain(HTO- to HTO+)
Input bias current(@HTI)
HTO- High voltage (Iout=-5.0mA)
HTO- Low voltage (Iout=+5.0mA)
HTO+ High voltage (Iout=-5.0mA)
HTO+ Low voltage (Iout=+5.0mA)
Distortion(300Hz<f<10KHz, see Figure 1)
Level Detectors and Background Noise Monitors (T
Transmit-Receive switch threshold
(Ratio of current at RLI1 + RLI2 to 20µA
Source current at RLO1, RLO2, TLO1, TLO2
Sink current at RLO1, RLO2, TLO1, TLO2
CPR, CPT output resistance (Iout=1.5mA)
CPR, CPT leakage current
Filter (T
Voltage offset at FO (V
FO sink current
FI bias current
at TLI1 + TLI2 to switch from Tx to Rx)
T
T
T
T
T
slow idle current
voltage (pin 14-V
source current(switching to Rx mode)
sink current(switching to Tx mode)
fast idle internal resistance
A
=+25:)
HTO-
MCO
(300Hz<f<10KHz)
RX
-V
+ G
-V
B
B
, Feedback R=51K )
)
B
A
, feedback R=180K )
TX
A
= + 2 5
FO
=+25:)
, @ Tx, Idle, Rx)*
-V
Parameter
A
A
=+25:,V
B
Rx model (V
=+25:)
Idle model
Tx model
, 220K from V
MUT
MUT
:
)
=2.0V)
=6.5V)
MUT
(T
A
”0.8V,A
=+25, Vcc=5.0V, CD” 0.8V, unless noted)
LC
=V
B
B
to FI)
)
VCL
3-20
=31dB unless otherwise noted)
A
=+25:)
Symbol
MCOvos
GBW
HB
GBW
FO
V
A
V
V
V
A
THD
A
V
GMT
V
V
R
H
V
I
R
G
V
I
I
I
I
I
R
CPLK
R
MCOH
MCOL
I
MUTH
VOLM
MUTL
VOLH
VCLH
I
I
I
CTR
CTT
CTS
HT+H
HT+L
LSO
LSK
HT-H
I
BM
MUT
VOS
HT-L
BH
TH
FO
TXI
FI
CT
CP
TR
VOS
VOS
FI
H
M
H
-0.35
-200
Min
+40
150
-85
-50
-55
-20
-30
7.0
1.5
3.7
2.0
3.7
3.7
0.8
70
50
60
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0
2004/09 rev. B
+240
Typ
±0.1
-240
+60
-2.0
-0.2
260
-60
2.0
1.0
-40
-68
1.0
-30
0.3
1.0
4.0
-90
-50
10
35
80
90
80
0
0
0
--
--
--
--
--
0
0
0
--
--
--
--
+0.35
Max
+85
+50
200
Vcc
+20
+30
250
450
400
-40
3.6
0.8
1.2
14
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0
--
Unit
MHz
MHz
mV
mV
mV
mV
mV
mV
mV
mA
mV
K
K
K
dB
µA
µA
µA
dB
nA
dB
dB
dB
nA
µA
µA
µA
nA
%
V
V
V
V
V