AK2306 Datasheet, PDF (27/38 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER

ASAHI KASEI
Envelope delay Distortion
Parameter
Transmit Delay, Absolute
Transmit Delay, Relative
Relative to f=1600Hz
Receive Delay, Absolute
Receive Delay, Relative
Relative to f=1600Hz
Conditions
f =1600Hz
f =500Hz ~600Hz
f =600Hz ~1000Hz
f =1000Hz ~2600Hz
f =2600Hz ~2800Hz
f =2800Hz ~3000Hz
f =1600Hz
f =500Hz ~1000Hz
f =1000Hz ~1600Hz
f =1600Hz ~2600Hz
f =2600Hz ~2800Hz
f =2800Hz ~3000Hz
[AK2306/LV]
Min Typ Max Units
-
- 560 us
-
- 220
-
- 145
-
-
75 us
-
- 105
-
- 155
450 us
-40
-
-
-30
-
-
-
-
90 us
-
- 125
-
- 175
Noise
Parameter
Idle Channel Noise ¹⁾
Conditions
u-law, C-message
Min Typ Max Units
-
5 10 dBrnC0
A¡D
Idle Channel Noise ²⁾
A-law, Psophometric
u-law, C-message
-
-85 -80 dBm0p
-
5 10 dBrnC0
D¡A
A-law, Psophometric
-
-85 -80 dBm0p
Noise, Single Frequency
VFXIN = 0 Vrms, DR = DX
-
- -53 dBm0
f=0 ~100kHz
PSRR, Transmit
AVDD=DVDD=5V±100mVop
40 -
-
dB
f=0 ~50kHz
PSRR, Receive
AVDD=DVDD=5V±100mVop
40 -
-
dB
f=0 ~50kHz
Spurious Out-of-Band Signal
at VRX Output ³⁾
0dBm0,
0.3 ~3.4kHz
4.6 ~7.6kHz
7.6 ~8.4kHz
-
-
-30
-
-
-40 dB
PCM CODE
8.4 ~100kHz
-
-
-32
Note 1) Analog Input = Analog Ground
Note 2) Digital Input(DR) = +0 Code
Note 3) Not tested in production Test. Parameters guaranteed by design.
Interchannel Crosstalk
Parameter
Transmit to Receive
Receive to Transmit
Transmit to Transmit
Receive to Receive
Conditions
0dBm0@VFXIN, Idle PCM code
0dBm0 code level, VFXIN = 0 Vrms
0dBm0@VFXIN, Idle PCM code
0dBm0 code level, VFXIN = 0 Vrms
Min Typ Max Units
-
- -75 dB
-
- -75 dB
-
- -75 dB
-
- -75 dB
Analog Interface Transmit Amplifier
Parameter
Load Resistance
Load Capacitance
Output
VDD=5V
voltage Swing _VDD=3.3V
Conditions
Min Typ Max Units
10
-
- kohm
-
-
50 pF
-
3.6
- _Vp-p
- 2.25 -
MS0093-E-04
27
2001/11