MAS9090B Micro Analog Systems, MAS9090B Datasheet - Page 8

• Manufacturer Part Number: MAS9090B
• Description: Low Voltage 14-bit Linear Codec
• Manufacturer: Micro Analog Systems

0 dBm0 level
Overload level
0 dBm0 level
Overload level
0 dBm0 level
0 dBm0 level
Transmit gain absolute
accuracy, HPT = 0
Transmit gain variation
with programmed gain
Transmit gain variation
with temperature
Transmit gain variation
with supply
Transmit gain variation
with frequency
Transmit gain variation
with signal level
Tone Generator
absolute accuracy
HPT=1
HPT=0
HPT = 1
gain
Transmit amps connected for 20 dB gain
Transmit amps connected for 42.5 dB gain
Receive gains = 0 dB
Receive gains = -30 dB
G
G
G
G
G
G
G
XTONE
XAG
XAT
XAV
XAF
XAL
XA
TX
measure deviation of digital PCM
code from ideal 0 dBm0 PCM
code at TX
Measure TX gain over the range
(from max to min). Calculate the
deviation from the programmed
gain relative to G
G
Measured relative to G
Measured relative to G
G
Relative
multitone test technique used
min. gain < G
f = 60 Hz
f = 100 Hz
f = 200 Hz
f = 300 Hz
f = 400 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
f = 4600 Hz
f = 8000 Hz
f = 60 Hz to 3000 Hz
f = 3000 to 8000 Hz, see HPT=0
Sinusoidal test method
reference level = -10 dBm0
V
V
V
Measure deviation of digital PCM
code from ideal 0dBm0 PCM
code at TX
min. gain < G
MIC
MIC
MIC
actual
X
= maximum gain
= -40 dBm0 to +3.0 dBm0
= -50 dBm0 to -40 dBm0
= -55 dBm0 to -50 dBm0
gain
- G
prog
to
set
- G
X
X
< max. gain
< max. gain
XA
1.015625
XA
to
, i.e. G
(V
(V
(V
XA
XA
CC
CC
CC
maximum,
= 2.7-3.6V, T
= 2.7-3.6V, T
= 2.7-3.6V, T
XAG
kHz,
=
A
A
A
= -30 C to +85 C, unless otherwise specified)
= -30 C to +85 C, unless otherwise specified)
= -30 C to +85 C, unless otherwise specified)
-0.5
-0.4
-0.5
-0.1
-0.1
-1.5
-0.5
-1.5
-0.5
-0.5
-0.5
-1.2
-0.3
49.26
70.71
3.694
5.302
1.965
61.85
-0.7
-1.3
-34
-36
-11
-17
-62
-68
0.1
0
March 20, 1998
-33
-35
-10
-16
-61
-67
0.5
0.6
0.5
0.1
0.1
0.5
0.5
0.0
0.5
0.5
0.5
1.2
0.6
DA9090B.002
mV
mV
mV
mV
V
mV
RMS
dB
dB
dB
dB
dB
dB
dB
dB
RMS
RMS
RMS
RMS
RMS
8