W6811 Datasheet, PDF (24/37 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

W6811
10.3. ANALOG DISTORTION AND NOISE PARAMETERS
V_DDA=5V ±10%; V_SSA=0V; T_A=-40°C to +85°C; all analog signals referred to V_AG;
PARAMETER
SYM.
CONDITION
TRANSMIT (A/D)
RECEIVE (D/A)
MIN. TYP. MAX MIN. TYP. MAX.
.
Total Distortion vs. Level D_LTµ
+3 dBm0
36
---
--- 34
---
---
Tone (1020 Hz, µ-Law,
C-Message Weighted)
0 dBm0 to -30 dBm0 36
---
--- 36
---
---
-40 dBm0
29
---
--- 30
---
---
-45 dBm0
25
---
--- 25
---
---
Total Distortion vs. Level D_LTA
+3 dBm0
36
---
--- 34
---
---
Tone (1020 Hz, A-Law,
Psophometric Weighted)
0 dBm0 to -30 dBm0 36
---
--- 36
---
---
-40 dBm0
29
---
--- 30
---
---
-45 dBm0
25
---
--- 25
---
---
Spurious Out-Of-Band at D_SPO 4600 Hz to 7600 Hz
---
---
--- ---
---
-30
RO- (300 Hz to 3400 Hz
@ 0dBm0)
7600 Hz to 8400 Hz
---
---
--- ---
---
-40
8400 Hz to 100000 Hz ---
---
--- ---
---
-30
Spurious In-Band (700
D_SPI
Hz to 1100 Hz @
0dBm0)
300 to 3000 Hz
---
---
-47 ---
---
-47
Intermodulation
D_IM
Distortion (300 Hz to
3400 Hz –4 to –21 dBm0
Two tones
---
---
-41 ---
---
-41
Crosstalk (1020 Hz @
D_XT
0dBm0)
---
---
-75 ---
---
-75
Absolute Group Delay
τ_ABS
Group Delay Distortion τ_D
(relative to group delay
@ 1200 Hz)
1200 Hz
500 Hz
600 Hz
1000 Hz
---
---
360 ---
---
240
---
---
750 ---
---
750
---
---
380 ---
---
370
---
---
130 ---
---
120
2600 Hz
---
---
130 ---
---
120
2800 Hz
---
---
750 ---
---
750
Idle Channel Noise
N_IDL
µ-Law; C-message
---
---
5
---
---
13
A-Law; Psophometric
---
---
-69 ---
---
-79
UNIT
dBC
dBp
dB
dB
dB
dBm0
µsec
µsec
dBrnc
dBm0p
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