73m2901ce Maxim Integrated Products, Inc., 73m2901ce Datasheet - Page 10

• Manufacturer Part Number: 73m2901ce
• Description: V.22bis Single Chip Modem
• Manufacturer: Maxim Integrated Products, Inc.

73M2901CE Data Sheet
4.4
4.5
1
5 dB loss from the line to the receiver pin). Results may vary depending on the selected DAA
components. 0dBm=0.775 mV
10
Parameter
ITU Guard tone power
Calling Tone
Answer Tone power
DTMF Transmit power
Gain adjust tolerance
Total Harmonic Distortion
(THD)
Intermod Distortion
Power supply rejection
ratio
Parameter
QAM
DPSK
FSK
DTMF (High Tone)
DTMF (Low Tone)
dBm0 refers to the Teridian recommended line interface (8 dB loss from transmit pins to the line and
Transmitter
Maximum Transmit Level
Conditions
550 Hz (relative to carrier)
1800 Hz (relative to carrier)
1300 Hz
2225 Hz / 2100 Hz
High band tones
Low band tones
By step
1 kHz sine wave at output
(TXAP-TXAN)
1.5 Vpk (2.7 dBm) for
VREF=1.25 V
THD=2
At output (TXAP-TXAN)
1 kHz, 1.2 kHz sine waves
summed
2 Vpk for VREF=1.25 V
-30 dBm signal at VPA
300 Hz to 30 kHz
measured TXAP to TXAN
rms
Conditions
VREF=1.25 V
VPA=3.3 V
VREF=1.25 V
VPA=3.3 V
VREF=1.25 V
VPA=3.3 V
VREF=1.25 V S13=$20,
VPA=3.3 V
VREF=1.25V
VPA=3.3V
; dBm=10log(V
nd
and 3
rd
harmonic
S85=80
S85=80
S13=$20,
rms
2
/(1mW)(600Ω)).
Each unwanted
frequency component
Sum of unwanted
frequency components
in pass band
-13.7
Min
-0.3
-11
-11
-12
-5
-8
Min
-9.7
-8
Nominal
Nominal
-11.5
-13.2
-3.5
-6.5
-10
-10
0
-12.7
Max
Max
-11
-50
-33
-20
-9.6
-7.4
-5.3
-8.7
0.3
30
-2
-5
-9
-9
-7
DS_2901CE_031
low tone
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
Units
below
Units
Rev. 3.4
dBm
dB
dB
dB
dB
dB
1
1
1
1
1
1
1
1
1
1