73m2901cl TDK Corp., 73m2901cl Datasheet - Page 6

• Manufacturer Part Number: 73m2901cl
• Description: V.22 Single Chip Modem
• Manufacturer: TDK Corp.

73M2901CL
V.22bis Single Chip Modem
TRANSMITTER
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
MAXIMUM TRANSMIT LEVEL
PARAMETER
QAM
DPSK
FSK
DTMF (HIGH TONE)
DTMF (LOW TONE)
*
dBm0 refers to the TDK recommended line interface (8.5dB loss from transmit pins to the line and 3.5dB loss from the line to the receiver pin). Results
may vary depending on the selected DAA components. 0dBm=0.775mv
CONDITIONS
550Hz
(relative to carrier)
1800Hz
(relative to carrier)
1300Hz
2225Hz/2100Hz
High band tones
Low band tones
By step
1KHz sine wave at output
(TXAP-TXAN)
1.5Vpk(2.7dBm) for
Vref=1.25V
THD=2
At output (TXAP-TXAN)
1KHz, 1.2KHz sine waves
summed
2Vpk for Vref=1.25V
-30dBm signal at VPA
300Hz-30KHz. Measured
TXAP to TXAN
CONDITIONS
Vref=1.25V
VPA=3.3V
Vref=1.25V
VPA=3.3V
Vref=1.25V
VPA=3.3V
Vref=1.25V S13=$20,
VPA=3.3V
Vref=1.25V S13=$20,
VPA=3.3V
nd
and 3
S85=80
S85=80
rd
harmonic
rms
6
; dBm=20log(V
components in pass
Sum of unwanted
-13.7
rms
Each unwanted
MIN
MIN
-0.3
-9.7
-11
-11
-12
-5
-8
-8
/(0.775mv
component
frequency
frequency
band
rms
)
NOM
-11.5
-13.2
NOM
-3.5
-6.5
-10
-10
0
MAX
-12.7
MAX
-11
-50
-33
-20
0.3
-9.6
-7.4
-5.3
-8.7
30
-2
-5
-9
-9
-7
low tone
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
dBm0
below
UNIT
UNIT
dBm
dB
dB
dB
dB
dB
*
*
*
*
*
*
*
*
*
*