73M1903-IVT/F Maxim Integrated Products, 73M1903-IVT/F Datasheet - Page 31

• Manufacturer Part Number: 73M1903-IVT/F
• Description: IC MODEM AFE V.22BIS 20-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of 73M1903-IVT/F

• Number Of Channels: 2
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Number Of Bits: -

DS_1903_032
8.5.2 Transmitter
Rev. 2.1
Parameter
DC offset –Differential
Mode
DC offset -Common
Mode
TXBST0 Gain
TXBST1 Gain
Total Harmonic
Distortion (THD)
1200 Ω Resistor
across TNAN/TXAP
Intermod Distortion
Idle Channel Noise
PSRR
Passband Ripple
Transmit Gain
Flatness
DAC gain
(Transmit Path Gain)
Code word of ± 32,767 @1 kHz;
TXBST0=0; TXBST1=0
Across TXAP and TXAN for
DAC input = 0
Average of TXAP and TXAN for DAC
input = 0; relative to VREF
Code word of ± 32,767 @1 kHz;
relative to TXBST0=0; TXBST1=0
Code word of ± 32,767 @1 kHz;
relative to TXBST0=0; TXBST1=0
Code word of ± 32,767 @1 kHz; relative
to TXBST0=0;TXBST1=0 THD = 2
3
Code word of ± ( 32,767*0.8) @1 kHz;
relative to TXBST0=0;TXBST1=0 THD =
2
Code word of ± ( 32,767*0.9) @1 kHz;
relative to TXBST0=1;TXBST1=1 THD =
2
Code word of ± 32,767 @1 kHz;
relative to TXBST0=1;TXBST1=1
THD = 2
At output (TXAP-TXAN): DTMF
1.0 kHz, 1.2 kHz sine waves, summed
2.0 V
0 dBm tone)
Refer to TBR 21 specifications for
description of complete requirements.
200 Hz - 4.0 kHz
-30 dBm signal at VPA
300 Hz – 30kHz
300 Hz - 3.2kHz
Code word of ± 32,767 @1 kHz.
Measure gain at 0.5 kHz, and 2 kHz
relative to 1 kHz.
Gain at 0.5 kHz
Gain at 1 kHz (Normalized)
Gain at 2.0 kHz
Gain at 3.3 kHz
Table 18: Transmitter Performance Specifications
rd
nd
nd
harmonic.
and 3
and 3
pk
(-2 dBm tone summed with
nd
rd
rd
and 3
harmonic.
harmonic.
Test Condition
rd
harmonic
nd
and
-0.125
-100
Min
-80
-75
-80
-60
1.335
0.193
Nom
-0.12
1.65
0.17
110
-85
-85
-70
-70
70
70
0
73M1903 Data Sheet
0.125
Max
100
80
40
below
Units
µv/bit
tone
mV
mV
low
dB
dB
dB
dB
dB
dB
μV
dB
dB
dB
dB
dB
dB
31