MT8967 Zarlink Semiconductor, Inc., MT8967 Datasheet - Page 15

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

* Typical figures are at 25
AC Electrical Characteristics - Receive (D/A) Path
T
Filter Gain Setting = 0dB. Outputs unloaded unless otherwise specified.
A
10
1
2
3
4
5
6
7
8
9
=0 to 70
O
G
A
N
A
L
°
C, V
Analog output at V
equivalent to the overload
decision level at codec
Absolute Gain (0dB setting)
Absolute Attenuation (-1dB
to -7dB settings)
Gain Variation
Gain Tracking
(See Figure 12) (Method 1)
Quantization
Distortion
(See Fig. 13)
Idle Channel
Noise
Single Frequency Noise
Harmonic Distortion
(2nd or 3rd Harmonic)
Intermodulation CCITT G712
Distortion
DD
=5V
Characteristics
±
5%, V
°
C with nominal
EE
=-5V
With Temp.
With Supplies
CCITT G712
CCITT G712
(Method 2)
AT & T
CCITT G712
(Method 1)
CCITT G712
(Method 2)
AT & T
C-message
Psophometric
2 tone
AT & T
4 tone
R
±
5%, V
±
5V supplies. For design aid only: not guaranteed and not subject to production testing.
Ref
ISO
=2.5V
±
2
0.5%, GNDA=GNDD=0V, Clock Frequency = 2.048MHz,
-CMOS
IMD
IMD
IMD
GT
GT
V
G
G
D
D
N
Sym
G
N
N
OUT
ARS
QR1
QR2
SFR
ART
CR
AR
PR
R1
R2
R2
R3
R4
28.00
35.60
33.90
29.30
14.30
36.40
30.40
25.40
-0.25
-0.35
-0.25
-0.25
-0.50
-0.25
-0.50
-1.50
Min
MT8960/61/62/63/64/65/66/67
4.829
5.000
Typ*
0.01
0.04
- Voltages are with respect to GNDD unless otherwise stated.
+0.25
+0.35
+0.25
+0.25
+0.50
+0.25
+0.50
+1.50
Max
-75
-56
-46
-41
-47
-49
12
dBrnC0 µ-Law Only
dBm0p CCITT G712
dBm0
Units
dB/V
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
pp
pp
Level at codec:
µ-Law: 3.17 dBm0
A-Law: 3.14 dBm0
R
See Note 7
0 dBm0
@
T
Sinusoidal Level:
+3 to -10 dBm0
Noise Signal Level:
-10 to -55 dBm0
-55 to -60 dBm0
Sinusoidal Level:
+3 to -40 dBm0
-40 to -50 dBm0
-50 to -55 dBm0
Noise Signal Level:
-3 dBm0
-6 to -27 dBm0
-34 dBm0
-40 dBm0
-55 dBm0
Sinusoidal Input Level:
0 to -30 dBm0
-40 dBm0
-45 dBm0
CCITT G712
Input Signal 0 dBm0
at 1.02 kHz
2nd order products
3rd order products
From nominal,
A
L
=0°C to 70°C
1004Hz
=10 KΩ
Test Conditions
@
1004Hz
6-33