MAS9090B Micro Analog Systems, MAS9090B Datasheet - Page 11
MAS9090B
Manufacturer Part Number
MAS9090B
Description
Low Voltage 14-bit Linear Codec
Manufacturer
Micro Analog Systems
Datasheet
1.MAS9090B.pdf
(29 pages)
Signal to total distortion TX
(up to 35 dB gain)
Typical values measured
with 35 dB gain
Single
transmit
Signal
SP1/SP2
(up to 20 dB attenuation)
Single
receive SP1/SP2
Signal to distortion of tone
generator signals
Intermodulation
*max. load (30 ) and min. V
Transmit to receive
Receive to transmit
frequency
frequency
to
total
distortion
distortion
distortion
cc
(2.7V) and max. temperature
S
S
C
C
S
S
S
S
S
IMD
TDSP1
TDSP2
TONE
TX-RX
RX-TX
TDTX
DSP1
DSP2
DTX
Sinusoidal test method (Linear
300 Hz to 3400 Hz weighting).
Level = 0 dBm0
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -45 dBm0
Level = -55 dBm0
0 dBm0 input signal
Sinusoidal test method (Linear
300 Hz to 3400 Hz weighting).
Load is 1000 or 30 .
Level = -6 dBm0
Level = -10 dBm0
Level = -20 dBm0
Level = -30 dBm0
Level = -45 dBm0
Level = -55 dBm0
-6 dBm0 input signal
DTMF frequencies
Linear 300 Hz to 3400 Hz
weighting.
Loop around measurement
voltage at MIC = -10 dBm0 to -
27 dBm0, 2 frequencies in the
range 300 Hz to 3400 Hz
Transmit level = 0 dBm0
f = 300 Hz to 3400 Hz
RX = quiet PCM code
Receive level = -6 dBm0
f = 300 Hz to 3400 Hz
MIC = 0V
(V
(V
CC
CC
= 2.7-3.6V, T
= 2.7-3.6V, T
A
A
= -30 C to +85 C, unless otherwise specified)
= -30 C to +85 C, unless otherwise specified)
45*
45*
42*
35*
24*
15*
56
50
48
43
38
24
15
28
50
48
43
38
24
15
-70
-62
-61
-82
-75
64
60
57
53
44
29
19
60
60
55
50
40
28
42
March 20, 1998
DA9090B.002
-56
-45
-46
-65
-60
dB
dB
dB
dB
dB
dB
dB
dB
11