MT9161B Datasheet, PDF (19/30 Pages) Mitel Networks Corporation – ISO2-CMOS 5 Volt Multi-Featured Codec (MFC)

MT9160B/61B
Advance Information
AC Characteristics^† for A/D (Transmit) Path - 0dBm0 = A_Lo3.17 - 3.17dB = 1.773V_rms for µ-Law and 0dBm0 = A_Lo3.14
- 3.14dB =1.843V_rms for A-Law, at the Codec (V_Ref=0.6 volts and V_Bias=2.5 volts.)
Characteristics
Sym Min Typ^‡ Max Units
Test Conditions
1 Analog input equivalent to
overload decision
A_Li3.17
A_Li3.14
7.33
7.6
Vp-p
Vp-p
µ-Law
A-Law
Both at Codec
2 Absolute half-channel gain
M ± to Dout
G_AX1
G_AX2
5.2 6.0 6.8
14.5 15.3 16.1
Transmit filter gain=0dB
setting.
dB TxINC = 0*
dB TxINC = 1*
@1020 Hz
Tolerance at all other transmit
filter settings
(1 to 7dB)
-0.2 ±0.1 +0.2
dB
3 Gain tracking vs. input level
ITU-T G.714 Method 2
G_TX
-0.3
-0.6
-1.6
0.3
dB 3 to -40 dBm0
0.6
dB -40 to -50 dBm0
1.6
dB -50 to -55 dBm0
4 Signal to total Distortion vs. input D_QX
35
level.
29
ITU-T G.714 Method 2
24
dB 0 to -30 dBm0
dB -40 dBm0
dB -45 dBm0
5 Transmit Idle Channel Noise
6 Gain relative to gain at 1020Hz
<50Hz
60Hz
200Hz
300 - 3000 Hz
3000 - 3400 Hz
4000 Hz
>4600 Hz
N_CX
8.5 12 dBrnC0 µ-Law
N_PX
-71 -69 dBm0p A-Law
G_RX
-25
dB
-45 -30
dB
0.0
dB
-0.25
0.25 dB
-0.9
0.25 dB
-23 -12.5 dB
-40 -25
dB
7 Absolute Delay
D_AX
360
µs at frequency of minimum
delay
8 Group Delay relative to D_AX
D_DX
750
380
130
750
µs 500-600 Hz
µs 600 - 1000 Hz
µs 1000 - 2600 Hz
µs 2600 - 2800 Hz
9 Power Supply Rejection
f=1020 Hz
f=0.3 to 3 kHz
f=3 to 4 kHz
f=4 to 50 kHz
PSSR 37
PSSR1
40
PSSR2
35
PSSR3
40
±100mV peak signal on
V_DD
dB µ-law
dB PSSR1-3 not production
dB tested
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.
* Note: TxINC, refer to Control Register 1, address 00h.
97