MT8967 Zarlink Semiconductor, Inc., MT8967 Datasheet - Page 16

• 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 7: 0dBm0=1.185 V
6-34
Receive (D/A) Path (cont’d)
11
12
13
14
15
16
A-REGISTER
B-REGISTER
INTERNAL
ENABLE
OUTPUT
5V
0V
O
G
A
N
A
L
(Mode 3)
INPUT
INPUT
INPUT
DSTo
LOAD
LOAD
CSTi
DSTi
CA
C2i
Envelope Delay
Envelope Delay 1000-2600 Hz
Variation with
Frequency
Gain Relative to
Gain @ 1004 Hz
(See Figure 11)
Crosstalk A/D to D/A
Power Supply
Rejection
Overload Distortion
(See Fig. 15)
F1i
Characteristics
7
7
7
°
RMS
C with nominal
6
6
6
for
600-3000 Hz
400-3200 Hz
5
5
5
<200 Hz
200 Hz
300-3000 Hz
3300 Hz
3400 Hz
4000 Hz
≥4600 Hz
µ
-Law codec and 0dBm0=1.231 V
4
4
4
V
V
Figure 9a - Timing Diagram - 125µs Frame Period
3
3
3
DD
EE
±
5V supplies. For design aid only: not guaranteed and not subject to production testing.
2
2
2
1
1
1
PSRR
PSRR
CT
0
0
0
Sym
D
G
D
AR
DR
RR
TR
3
4
-0.125
-0.350
-0.80
Min
-0.5
33
35
125 µs
ISO
RMS
Typ*
170
265
90
for A-Law codec.
7
2
-CMOS
6
HIGH IMPEDANCE
-0.100
0.125
0.125
0.125
0.030
-14.0
-28.0
Max
210
5
-70
4
3
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
µs
µs
µs
2
1
@ 1004 Hz
Input Signal:
400 - 3200 Hz digital
sinewave at 0 dBm0
0 dBm0 Input Signal
Receive
Filter
Response
0 dBm0 @ 1.02 kHz
in A/D
Input 50 mV
1.02 kHz
Input frequency=1.02 kHz
0
Test Conditions
RMS
at
7
7
7
6
6