STW5094 STMicroelectronics, STW5094 Datasheet - Page 26

• Manufacturer Part Number: STW5094
• Description: Audio DSPs 14-Bit Linear CODEC
• Manufacturer: STMicroelectronics

Specifications of STW5094

• Mounting Style: SMD/SMT
• Package / Case: TFBGA-36
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STw5094
VOICE CODEC CHARACTERISTICS (unless otherwise specified, V
FS Frequency = 8kHz; typical characteristics are specified at V
DR = -6dBm0 PCM code, f = 1015.625 Hz; all signal are referenced to GND)
AMPLITUDE RESPONSE
Transmit path
(*) The limit at frequencies between 4600Hz and 8000Hz lies on a straight line connecting the two frequencies on a linear (dB) scale versus
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Symbol
G
G
G
log (Hz) scale.
G
G
G
G
XAF16
XAF8
XAG
XAV
XAL
XAT
XA
Transmit Gain Absolute Accuracy
Transmit Gain Variation with
programmed gain
Transmit Gain Variation with
temperature
Transmit Gain Variation with
supply
Transmit Gain Variation with
frequency.
FS Frequency = 8kHz (VFS=0)
Transmit Gain Variation with
frequency.
FS Frequency = 16kHz (VFS=1)
Transmit Gain Variation with
signal level
Parameter
Transmit Gain Programmed for
minimum. Measure deviation of
Digital PCM Code from ideal
0dB
Measure Transmit Gain over the
range from Maximum to minimum
setting. Calculate the deviation
from the programmed gain
relative to GXA,
i.e. G
Measured relative to G
min. gain < G
Measured relative to G
G
Digital filter characteristics
Digital filter characteristics
Sinusoidal Test method.
Reference Level = -10 dBm0
X
= Minimum gain
V
V
m0
V
MIC
MIC
AXG
MIC
PCM code at DX
Test Condition
= -50 dBm0 to -40 dBm0
= -55 dBm0 to -50 dBm0
= G
= -40 dBm0 to +3 dBm0
f = 400 Hz to 3000 Hz
f = 200 Hz to 6000 Hz
X
actual
< Max. gain
f = 16000 Hz (*)
f = 4600 Hz (*)
f = 8000 Hz (*)
f = 9200 Hz (*)
- G
CC
f = 3400 Hz
f = 4000 Hz
f = 6800 Hz
f = 8000 Hz
XA
XA
prog.
f = 100 Hz
f = 200 Hz
f = 300 Hz
f = 100 Hz
= 3.0V, T
f = 60 Hz
.
CC
- G
= 2.7V to 3.3V, T
XA
amb
Min.
-0.5
-0.5
-0.1
-0.1
-1.5
-0.5
-1.5
-1.5
-0.5
-1.5
-0.5
-0.5
-1.2
= 25°C, MIC1 2 = 0dBm0,
Typ.
amb
= -30°C to 85°C;
Max.
-14
-35
-47
0.5
0.5
0.1
0.1
-30
-20
0.5
0.5
0.0
-14
-35
-47
0.5
0.5
0.0
0.5
0.5
1.2
-6
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB