73M1903-IM/F Maxim Integrated Products, 73M1903-IM/F Datasheet - Page 19

• Manufacturer Part Number: 73M1903-IM/F
• Description: IC MODEM AFE V.22BIS 32-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73M1903-IM/F

• Number Of Channels: 2
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Package / Case: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Number Of Bits: -

performance for Rxg=11 (0 dB). In particular, if the input level exceeds a value such that one’s density of
RBS exceeds 99.5%, sinc
1.16 Vpk differentially. This value is set at around 65% of the full receive signal of 1.791 Vpkdiff at
RXAP/RXAN pins that “would” corresponds to ASDM putting out all ones.
Figure 8
0.5 kHz and 1.0 kHz tones of 0.6 Vpk-diff each, respectively for Fs=8 kHz. Note the effect of FIR
suppressing the noise above 4 kHz but at the same time enhancing (in order to compensate for the
DS_1903_032
It is important to keep in mind that the receive signal should not exceed 1.16 Vpk-diff for proper
consequently the data will be corrupted. Also for stability reasons, the receive signal should not exceed
passband droop of sinc
Rev. 2.1
and
Figure 9
show the spectrum of 1 kHz tone received at RXAP/RXAN of 1.16 Vpk-diff and
3
filter) it near the passband edge of 4 kHz.
3
Figure 6: Overall Receiver Frequency Response
filter output will exceed the maximum input range of the decimation filter and
Figure 7: Rx Passband Response
73M1903 Data Sheet
19