Advance Information
AC Characteristics
†
for D/A (Receive) Path
-
Characteristics
1
1
2
3
Analog output at the Codec full
scale
Analog output at the CODEC
full scale.
Absolute half-channel gain.
Din to HSPKR±
Gain tracking vs. input level
ITU-T G.714 Method 2
Signal to total distortion vs. input
level.
ITU-T G.714 Method 2
Receive Idle Channel Noise
Gain relative to gain at 1020Hz
200 Hz
300 - 3000 Hz
3000 - 3300 Hz
3300 Hz
3400 Hz
4000 Hz
4600 Hz
>4600 Hz
Absolute Delay
Group Delay relative to D
AR
Sym
A
Lo3.17
A
Lo3.14
A
Lo3.17
A
Lo3.14
G
AR1
G
TR
-0.6
-0.3
-0.6
-1.6
35
29
24
11.5
-80
14
-77
0.25
0.25
0.25
0.25
0.25
-12.5
-25
-25
Min
MT91L62
0dBm0 = A
Lo3.17
- 3.17dB = 1.027V
rms
for
µ
-Law and 0dBm0 =
A
Lo3.14
- 3.14dB =1.067V
rms
for A-Law, at the Codec. (V
Ref
=0.4 volts and V
Bias
=1.5 volts.)
Typ
‡
4.183
4.331
4.183
4.331
0
Max
Units
Vp-p
Vp-p
V
p-p
V
p-p
Test Conditions
µ-Law
A-Law
µ-Law
A-Law
@1020Hz
3 to -40 dBm0
-40 to -50 dBm0
-50 to -55 dBm0
0 to -30 dBm0
-40 dBm0
-45 dBm0
µ-Law
A-Law
0.6
0.3
0.6
1.6
dB
dB
dB
dB
dB
dB
dB
dBrnC0
dBm0p
dB
dB
dB
dB
dB
dB
dB
dB
µs
µs
µs
µs
µs
4
G
QR
5
6
N
CR
N
PR
G
RR
-0.25
-0.90
-0.9
-0.9
-0.1
-0.5
-23
-41
240
750
380
130
750
-90
-90
7
8
D
AR
D
DR
at frequency of min. delay
500-600 Hz
600 - 1000 Hz
1000 - 2600 Hz
2600 - 2800 Hz
G.714.16
ITU-T
9
Crosstalk
D/A to A/D
A/D to D/A
CT
RT
CT
TR
-74
-80
dB
dB
† AC Electrical Characteristics are over recommended temperature range & recommended power supply voltages.
‡ Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
Electrical Characteristics
†
for Analog Outputs
Characteristics
1
2
Output load impedance
Allowable output capacitive
load
Sym
E
ZL
E
CL
Min
20k
20
Typ
‡
Max
Units
ohms
pF
Test Conditions
across AOUT±
each pin:
AOUT+,
AOUT-
† Electrical Characteristics are over recommended temperature range & recommended power supply voltages.
‡ Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
7-181
MITEL [ MITEL NETWORKS CORPORATION ]
