DA9090B.001
January 14, 1998
TRANSMISSION CHARACTERISTICS
◆ Envelope delay distortion with frequency
(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30°C to +85°C, unless otherwise specified)
Parameter
Symbol Conditions
Min Typ
Max
Unit
TX delay, absolute
TX delay, relative
DTXA
DTXR
f = 1600 Hz
800
15
µs
µs
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
f = 1600 Hz
20
5
-15
-40
-50
-50
800
15
RX delay, absolute
RX delay, relative
DRXA
DRXR
µs
µs
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
20
5
-15
-40
-50
-50
◆ Noise
(VCC = 2.7-3.6V or 4.5-5.5V, TA = -30
°
C to +85 C, unless otherwise specified)
°
Parameter
Symbol
Conditions
Min Typ
Max
Unit
TX noise, P weighted
NTXP
VMIC = 0V, DE = 0,
-72*
-68*
dBm0
TX gain set to 15 dB
RX noise, A weighted
(max. gain)
NRXA
NS
Receive PCM code = positive zero
SI = 0, RTE = 0
140* 190*
µVRMS
Noise, single frequency
MIC = 0V,
-76
-50
dBm0
loop around measurement from
f = 0 Hz to 100 kHz
PSRR, TX
PPSRTX MIC = 0V
VCC = 3.3VDC + 50 mVRMS
f = 0 Hz to 50 kHz
PPSRRX PCM code equals positive zero
VCC = 3.3 VDC + 50 mVRMS
f = 0 Hz to 4 kHz
30
44
dB
dB
PSRR, RX
30
30
54
f = 4 kHz to 50 kHz
Spurious out-band signal at
the output
(relative to signal)
SOS
RX input set to -6 dBm0 PCM code,
300 Hz 3400 Hz input PCM code
applied at RX
4600 Hz - 5600 Hz
-45
-45
-50
-50
-45
-28
dB
5600 Hz - 7600 Hz
7600 Hz - 8400 Hz
8400 Hz - 20000 Hz
Common mode rejection ratio
Tone generator noise
CMRRX MIC = -6dBm0, max. gain
NTONE DTMF frequencies, TX/SP output
-74
-36
dB
dBm0
*Limit is used to speed up automatic testing. True value is less.
10
MICRONAS [ MICRONAS ]
