W681511 Datasheet, PDF (23/34 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

W681511
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;
PARAMETER
SYM.
CONDITION
TRANSMIT (A/D)
RECEIVE (D/A)
UNIT
MIN. TYP. MAX. MIN. TYP. MAX.
Total Distortion vs.
D_LTµ +3 dBm0
36 --- --- 34
Level Tone (1020 Hz,
0 dBm0 to -30 dBm0 36 --- --- 36
µ-Law, C-Message
Weighted)
-40 dBm0
29 --- --- 30
-45 dBm0
25 --- --- 25
---
---
dBC
---
---
---
---
---
---
Total Distortion vs.
D_LTA +3 dBm0
36 --- --- 34
Level Tone (1020 Hz,
A-Law, Psophometric
0 dBm0 to -30 dBm0 36 --- --- 36
Weighted)
-40 dBm0
29 --- --- 30
-45 dBm0
25 --- --- 25
---
---
dBp
---
---
---
---
---
---
Spurious Out-Of-Band D_SPO 4600 Hz to 7600 Hz
---
---
--- ---
at RO+ (300 Hz to
3400 Hz @ 0dBm0)
7600 Hz to 8400 Hz
---
---
---
---
8400 Hz to 100000 Hz ---
---
---
---
---
-30 dB
---
-40
---
-30
Spurious In-Band (700 D_SPI
Hz to 1100 Hz @
0dBm0)
300 to 3000 Hz
---
---
-47 ---
---
-47 dB
Intermodulation
D_IM
Distortion (300 Hz to
3400 Hz –4 to –21
dBm0
Two tones
---
---
-41 ---
---
-41 dB
Crosstalk (1020 Hz @ D_XT
0dBm0)
---
---
-75 ---
---
-75 dBm0
Absolute Group Delay _τABS 1200Hz
---
---
360 ---
---
240 µsec
Group Delay
τ_D
Distortion (relative to
group delay @ 1200
Hz)
500 Hz
600 Hz
1000 Hz
2600 Hz
---
---
750 ---
---
---
380 ---
---
---
130 ---
---
---
130 ---
---
750 µsec
---
370
---
120
---
120
2800 Hz
---
---
750 ---
---
750
Idle Channel Noise
N_IDL µ-Law; C-message
---
---
5
---
A-Law; Psophometric ---
---
-69 ---
---
13
dBrnc
---
-79 dBm0p
- 23 -
Publication Release Date: December 4, 2002
Revision A9