W681512 Datasheet, PDF (23/38 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

W681512
10.3. ANALOG DISTORTION AND NOISE 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
Total Distortion vs.
D_LTμ
Level Tone (1020 Hz,
μ-Law, C-Message
Weighted)
Total Distortion vs.
D_LTA
Level Tone (1020 Hz,
A-Law, Psophometric
Weighted)
Spurious Out-Of-Band D_SPO
at RO+ (300 Hz to
3400 Hz @ 0dBm0)
Spurious In-Band (700 D_SPI
Hz to 1100 Hz @
0dBm0)
Intermodulation
D_IM
Distortion (300 Hz to
3400 Hz –4 to –21
dBm0
Crosstalk (1020 Hz @ D_XT
0dBm0)
Absolute Group Delay _τABS
Group Delay
τ_D
Distortion (relative to
group delay @ 1200
Hz)
Idle Channel Noise
N_IDL
+3 dBm0
0 dBm0 to -30 dBm0
-40 dBm0
-45 dBm0
+3 dBm0
0 dBm0 to -30 dBm0
-40 dBm0
-45 dBm0
4600 Hz to 7600 Hz
7600 Hz to 8400 Hz
8400 Hz to 100000 Hz
300 to 3000 Hz
Two tones
1200Hz
500 Hz
600 Hz
1000 Hz
2600 Hz
2800 Hz
μ-Law; C-message
A-Law; Psophometric
TRANSMIT (A/D)
MIN. TYP. MAX.
36
---
---
36
---
---
29
---
---
25
---
---
36
---
---
36
---
---
29
---
---
25
---
---
---
---
---
---
---
---
---
---
---
---
--- -47
RECEIVE (D/A)
UNIT
MIN. TYP. MAX.
34
---
--- dBC
36
---
---
30
---
---
25
---
---
34
---
--- dBp
36
---
---
30
---
---
25
---
---
---
--- -30 dB
---
--- -40
---
--- -30
---
--- -47 dB
---
--- -41
---
--- -41 dB
---
--- -75
---
---
--- 360
---
---
--- 750
---
---
--- 380
---
---
--- 130
---
---
--- 130
---
---
--- 750
---
---
--- 18
---
---
--- -68
---
--- -75 dBm0
--- 240 μsec
--- 750 μsec
--- 370
--- 120
--- 120
--- 750
--- 13 dBrnc0
--- -78 dBm0p
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Publication Release Date: April, 2007
Revision C14