MT8967 Zarlink Semiconductor, Inc., MT8967 Datasheet - Page 14

• Manufacturer Part Number: MT8967
• Description: Integrated CODEC with A-Law companding and CCITT PCM encoding (20 pin PDIP-SOIC)
• Manufacturer: Zarlink Semiconductor, Inc.

MT8960/61/62/63/64/65/66/67
* Typical figures are at 25
Note 6:
6-32
Transmit (A/D) Path (cont’d)
14
15
16
10
11
12
13
7
8
9
O
G
A
N
A
L
Quantization
Distortion
(cont’d)
(See Figure 13)
Idle Channel
Noise
Single Frequency Noise
Harmonic Distortion
(2nd or 3rd Harmonic)
Envelope Delay
Envelope Delay
Variation With
Frequency
Intermodulation
Distortion
Gain Relative to
Gain @ 1004 Hz 60 Hz
(See Figure 10)
Crosstalk D/A to A/D
Power Supply
Rejection
Overload Distortion (See Fig.15)
0dBm0=1.185 V
0dBm0=1.231 V
Characteristics
°
C with nominal
RMS
RMS
CCITT G712
(Method 2)
AT&T
C-message
Psophometric
1000-2600 Hz
600-3000 Hz
400-3200 Hz
CCITT G712
50/60 Hz
CCITT G712
2 tone
AT&T
4 tone
≤50 Hz
200 Hz
300-3000 Hz
3200 Hz
3300 Hz
3400 Hz
4000 Hz
≥4600 Hz
for the
for the A-Law codec.
±
5V supplies. For design aid only: not guaranteed and not subject to production testing.
µ
V
V
-Law codec.
DD
EE
PSSR
PSSR
IMD
IMD
IMD
IMD
CT
D
Sym
N
N
N
G
D
D
QX2
SFX
CX
PX
AX
DX
RX
RT
X1
X2
X3
X4
2
1
-0.125
-0.275
-0.350
35.30
29.30
24.30
-0.80
Min
-1.8
33
35
ISO
Typ*
150
250
60
2
-CMOS
-0.100
0.125
0.125
0.030
Max
0.00
270
-67
-56
-46
-55
-41
-47
-49
-25
-30
-14
-32
-70
18
dBrnC0 µ-Law Only
dBm0p CCITT G712
dBm0
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
µs
µs
µs
Sinusoidal Input Level:
0 to -30 dBm0
-40 dBm0
-45 dBm0
CCITT G712
Input Signal:
0 dBm0 @ 1.02 kHz
@ 1004 Hz
Input Signal:
400-3200 Hz Sinewave
at 0 dBm0
50/60 Hz @ -23 dBm0
and any signal within
300-3400 Hz at -9 dBm0
740 Hz and 1255 Hz
@ -4 to -21 dBm0.
Equal Input Levels
2nd order products
3rd order products
0 dBm0 Input Signal
Transmit
Filter
Response
0 dBm0 @ 1.02 kHz
in D/A
Input 50 mV
1.02 kHz
Input frequency=1.02kHz
Test Conditions
RMS
at