MT91L61 MITEL, MT91L61 Datasheet - Page 20

• Manufacturer Part Number: MT91L61
• Description: (MT91L60 / MT91L61) ISO2-CMOS 3 Volt Multi-Featured Codec
• Manufacturer: MITEL

MT91L60/61
AC Characteristics
- 3.14dB =1.067V
† 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.
* Note: TxINC, refer to Control Register 1, address 00h.
20
1
2
3
4
5
6
7
8
9
Analog input equivalent to
overload decision
Absolute half-channel gain
M
Tolerance at all other transmit
filter settings
(1 to 7dB)
Gain tracking vs. input level
ITU-T G.714 Method 2
Signal to total Distortion vs. input
level.
ITU-T G.714 Method 2
Transmit Idle Channel Noise
Gain relative to gain at 1020Hz
<50Hz
60Hz
200Hz
300 - 3000 Hz
3000-3300 Hz
3300 Hz
3400 Hz
4000 Hz
4600 Hz
>4600 Hz
Absolute Delay
Group Delay relative to D
Power Supply Rejection
f=1020 Hz
to Dout
Characteristics
rms
for A-Law, at the Codec. (V
†
for A/D (Transmit) Path
AX
Ref
PSSR
A
A
= 0.4V and V
Sym
G
G
G
D
N
N
G
D
D
Li3.17
Li3.14
AX1
AX2
QX
CX
PX
RX
AX
DX
TX
-0.25
14.7
Min
-0.2
-0.3
-0.6
-1.6
-0.9
-0.9
-1.2
5.4
35
29
24
30
Bias
=1.5 volts.)
- 0dBm0 = A
4.246
-70.5
Typ
15.3
-0.2
-0.6
360
750
380
130
750
4.4
6.0
-45
-23
-41
13
50
0.1
‡
Lo3.17
-12.5
Max
15.9
+0.2
0.25
0.25
0.25
0.25
-69
-25
-30
-25
-25
6.6
0.3
0.6
1.6
0.0
16
- 3.17dB = 1.027V
dBrnC0
dBm0p
Units
Vp-p
Vp-p
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
s
s
s
s
s
Advance Information
rms
A-Law
Both at Codec
Transmit filter gain=0dB
setting.
TxINC = 0*
TxINC = 1*
@1020 Hz
3 to -40 dBm0
-40 to -50 dBm0
-50 to -55 dBm0
0 to -30 dBm0
-40 dBm0
-45 dBm0
A-Law
at frequency of minimum
delay
500-600 Hz
600 - 1000 Hz
1000 - 2600 Hz
2600 - 2800 Hz
V
for -Law and 0dBm0 = A
100mV peak signal on
-Law
-Law
-law
DD
Test Conditions
Lo3.14