U4082B-DEV-BOARD Atmel, U4082B-DEV-BOARD Datasheet - Page 16

• Manufacturer Part Number: U4082B-DEV-BOARD
• Description: WiFi / 802.11 Modules & Development Tools Voice Switched Circuit
• Manufacturer: Atmel

6. Electrical Characteristics (Continued)
T
Figure 6-1.
16
Parameters
Closed loop gain
Input bias current
HTO high voltage
HTO low voltage
HTO+ high voltage
HTO+ low voltage
Distortion
Level Detectors and Background Noise Monitors
Transmit receive switching threshold
Source current
Sink current
CPR, CPT output resistance
CPR, CPT leakage current
Filter
Voltage offset at FO
FO sink current
FI bias current
System Distortion
R Mode
T Mode
amb
= +25°C, V
U4082B
Hybrid Amplifier Distortion Test
S
V
= 5.0 V, CD 0.8 V, unless otherwise specified
I
10 k
0.1 µF
51 k
HTI
Test Conditions
HTO– to HTO+
at HTI
I
I
I
I
300 Hz < f < 10 kHz
(see
Current ratio from T to R
at RLI1 + RLI2 to 20 mA
at TLI1 + TLI2 to switch
RLO1, RLO2, TLO1, TLO2
RLO1, RLO2, TLO1, TLO2
I
V
From FI to RECO,
FO connected to RI
From MIC to HTO–/HTO+,
includes T attenuator
7
O
O
O
O
O
FO
= –5.0 mA
= +5.0 mA
= –5.0 mA
= +5.0 mA
= 1.2 mA
– V
Figure
V
B
B
, 220 k from V
+
-
6-1)
6
HTO-
R
B
to FI
V
B
+
-
R
Symbol
FO
G
V
V
V
V
I
I
R
I
CPLK
I
HT
I
HT
HT
HT
I
LSO
VCLH
LSK
d
d
I
BH
TH
FO
d
FI
CP
VOS
5
HTO+
R
T
H
H
L
L
1200
–200.0
–0.35
150.0
Min.
3.7
3.7
0.8
Amplifier
–30.0
–50.0
Typ.
–2.0
–0.2
–90
260
0.0
0.3
1.0
4.0
0.5
0.8
35
Analyzer
+0.35
250.0
450.0
400.0
Max.
1.2
0.0
3.0
3.0
4743D–CORD–03/06
Unit
mV
mV
mA
mV
dB
nA
µA
µA
µA
nA
%
%
%
V
V