MAS9090B Micro Analog Systems, MAS9090B Datasheet - Page 11

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

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