W681512 Datasheet, PDF (22/38 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

W681512
10.2. ANALOG SIGNAL LEVEL AND GAIN PARAMETERS
V_DD=5V ±10%; V_SS=0V; T_A=-40°C to +85°C; all analog signals referred to V_AG;
MCLK=BCLK= 2.048MHz; FST=FSR=8kHz synchronous operation
PARAMETER SYM.
CONDITION
Absolute
Level
L_ABS 0 dBm0 = 0dBm @ 600Ω
Max. Transmit T_XMAX 3.17 dBm0 for μ-Law
Level
3.14 dBm0 for A-Law
Absolute Gain
(0 dBm0 @
1020 Hz;
T_A=+25°C)
Absolute Gain
variation with
Temperature
G_ABS 0 dBm0 @ 1020 Hz;
T_A=+25°C
G_ABST T_A=0°C to T_A=+70°C
T_A=-40°C to T_A=+85°C
Frequency
Response,
Relative to
0dBm0 @
1020 Hz
G_RTV
15 Hz
50 Hz
60 Hz
200 Hz
300 to 3000 Hz
3300 Hz
3400 Hz
3600 Hz
4000 Hz
4600 Hz to 100 kHz
Gain Variation G_LT
vs. Level Tone
(1020 Hz
relative to –10
dBm0)
+3 to –40 dBm0
-40 to –50 dBm0
-50 to –55 dBm0
TYP.
1.096
0.775
1.579
1.573
0
0
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TRANSMIT
(A/D)
MIN. MAX.
RECEIVE
(D/A)
MIN. MAX.
UNIT
---
---
---
--- V_PK
V_RMS
---
---
-0.25
---
---
--- V_PK
---
---
--- V_PK
+0.25 -0.25 +0.25 dB
-0.03 +0.03 -0.03 +0.03 dB
-0.05 +0.05 -0.05 +0.05
---
---
---
-1.0
-0.20
-0.35
-0.8
---
---
---
-0.3
-0.6
-1.6
-40 -0.5
0 dB
-30 -0.5
0
-26 -0.5
0
-0.4 -0.5
0
+0.15 -0.20 +0.15
+0.15 -0.35 +0.15
0
-0.8
0
0
---
0
-14 --- -14
-32 --- -30
+0.3 -0.2 +0.2 dB
+0.6 -0.4 +0.4
+1.6 -1.6 +1.6
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