st5092 STMicroelectronics, st5092 Datasheet - Page 25

• Manufacturer Part Number: st5092
• Description: 2.7v Supply 14-bit Linear Codec With High-performance Audio Front-end
• Manufacturer: STMicroelectronics

DISTORTION
(*) The limit curve shall be determined by straight lines joining successive coordinates given in the table.
(#) Lower limits used during the automatic testing to avoid unrealistic yield loss due to 2dB imprecision of time-limited noise measurements.
CROSSTALK
Symbol
Symbol
S
S
S
S
C
C
S
S
IMD
TDRE
TDRL
(*)
(*)
(*)
TDX
DFx
DFr
DLr
Tx-r
Tr-x
Signal to Total Distortion
(up to 35dB gain)
Typical values are measured with
30.5dB gain
Single Frequency Distortion
transmit
Signal to Total Distortion (VFr)
( up to 20dB attenuation)
Typical values are measured with
20dB attenuation.
Single Frequency Distortion
receive (V
Signal to Total Distortion (VLr)
(up to 20dB attenuation)
Typical values are measured with
20dB attenuation
Single Frequency Distortion
receive (V
Intermodulation
Transmit to Receive
Receive to Transmit
Fr
Lr
Parameter
Parameter
)
)
Transmit Level = 0 dBm0,
f = 300 - 3400 Hz
DR = Quiet PCM Code
Receive Level = -6 dBm0,
f = 300 - 3400 Hz
MIC = 0V
Sinusoidal Test Method
(measured using linear 300 to
3400 weighting)
Level = 0 dBm0
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -40 dBm0
Level = -45 dBm0
Level = -55 dBm0
0 dBm0 input signal
Sinusoidal Test Method
(measured using linear 300 to
3400 weighting)
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -40 dBm0
Level = -45 dBm0
Level = -55 dBm0
-6 dBm0 input signal
Sinusoidal Test Method
(measured using linear 300 to
3400 weighting)
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -40 dBm0
Level = -45 dBm0
Level = -55 dBm0
-6 dBm0 input signal
Loop-around measurement
Voltage at MIC = -10 dBm0
to -27 dBm0, 2 Frequencies in
the range 300 - 3400 Hz
Test Condition
Test Condition
56
50
48
43
38
29
24
15
Min.
Min.
50
48
43
38
29
24
15
50
48
43
38
29
24
15
37.5
28.5
56
50
48
43
23
13
#
Typ.
-100
-80
Typ.
-80
-80
-80
-75
65
64
61
52
42
31
26
16
64
62
53
43
33
28
18
64
62
53
43
33
28
18
Max.
-65
-65
Max.
-56
-50
-50
-46
ST5092
Unit
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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