DA9090B.001
January 14, 1998
TRANSMISSION CHARACTERISTICS
x
Envelope delay distortion with frequency
(V
CC
= 2.7-3.6V or 4.5-5.5V, T
A
= -30
°
C to +85
°
C, unless otherwise specified)
Parameter
TX delay, absolute
TX delay, relative
Symbol
D
TXA
D
TXR
Conditions
f = 1600 Hz
f = 500 - 600 Hz
f = 600 - 800 Hz
f = 800 - 1000 Hz
f = 1000 - 1600 Hz
f = 1600 - 2600 Hz
f = 2600 - 2800 Hz
f = 2800 - 3000 Hz
Min
Typ
800
15
20
5
-15
-40
-50
-50
800
15
20
5
-15
-40
-50
-50
Max
Unit
µs
µs
RX delay, absolute
RX delay, relative
D
RXA
D
RXR
f = 1600 Hz
f = 500 - 600 Hz
f = 600 - 800 Hz
f = 800 - 1000 Hz
f = 1000 - 1600 Hz
f = 1600 - 2600 Hz
f = 2600 - 2800 Hz
f = 2800 - 3000 Hz
µs
µs
x
Noise
(V
CC
= 2.7-3.6V or 4.5-5.5V, T
A
= -30
°
C to +85
°
C, unless otherwise specified)
Parameter
TX noise, P weighted
RX noise, A weighted
(max. gain)
Noise, single frequency
Symbol
N
TXP
N
RXA
N
S
PPSR
TX
PPSR
RX
Conditions
V
MIC
= 0V, DE = 0,
TX gain set to 15 dB
Receive PCM code = positive zero
SI = 0, RTE = 0
MIC = 0V,
loop around measurement from
f = 0 Hz to 100 kHz
MIC = 0V
V
CC
= 3.3V
DC
+ 50 mV
RMS
f = 0 Hz to 50 kHz
PCM code equals positive zero
V
CC
= 3.3 V
DC
+ 50 mV
RMS
f = 0 Hz to 4 kHz
f = 4 kHz to 50 kHz
RX input set to -6 dBm0 PCM code,
300 Hz 3400 Hz input PCM code
applied at RX
4600 Hz - 5600 Hz
5600 Hz - 7600 Hz
7600 Hz - 8400 Hz
8400 Hz - 20000 Hz
Min
Typ
-72*
Max
-68*
Unit
dBm0
µV
RMS
dBm0
140*
-76
190*
-50
PSRR, TX
30
44
dB
PSRR, RX
30
30
54
dB
Spurious out-band signal at
the output
(relative to signal)
S
OS
-45
-45
-50
-50
-74
-36
-45
-28
dB
Common mode rejection ratio
Tone generator noise
CMRR
X
N
TONE
MIC = -6dBm0, max. gain
DTMF frequencies, TX/SP output
dB
dBm0
*Limit is used to speed up automatic testing. True value is less.
10
MICRONAS [ MICRONAS ]
