73M1903C-IM/F Maxim Integrated Products, 73M1903C-IM/F Datasheet - Page 34

• Manufacturer Part Number: 73M1903C-IM/F
• Description: IC MODEM AFE MULTIREGIONAL 32QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73M1903C-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: -

73M1903C Data Sheet
9.3
9.3.1 Receiver
34
Input Impedance
Receive Gain
Boost
Total Harmonic
Distortion (THD)
RXG Gain
Passband Gain
Input offset
Sigma-Delta ADC
Modulation gain
Note: RXG[1:0] and RXGAIN are assumed to have settings of ‘0’ unless they are specified otherwise.
Maximum Analog
Distortion (THD)
Total Harmonic
Signal Level at
RXAP/RXAN
Parameter
Performance
Crosstalk
Noise
Measured at RXAP/N relative to VREF
RXPULL=HI
Measured at RXAP/N relative to VREF
RXPULL=LO
Rxgain = 1; 1 kHz; RXAP/N=0.116V
Gain Measured relative to Rxgain=0
RXGAIN=1 for Fs=8 kHz
RXGAIN =1 for Fs=12 kHz
RXGAIN =1 for Fs=14.4 kHz
THD = 2
RXGAIN =1
Gain Measured relative to RXG[1:0]=11
(0dB) @1 kHz
RXG[1:0]=00
RXG[1:0]=01
RXG[1:0]=10
Input 1.16V
0.5 kHz, and 2 kHz. Normalized to 1 kHz.
Gain at 0.5 kHz
Gain at 1 kHz (Normalized)
Gain at 2.0 kHz
Short RXAP to RXAN. Measure input
voltage relative to VREF
Normalized to VBG=1.25V.
Includes the effect of AAF(-0.4dB) with
Bits 1,0 of CTRL2 register (01h) = 00.
Peak voltage measured differentially
across RXAP/RXAN.
1 kHz 1.16V
THD = 2
Transmit V.22bis low band; FFT run on
ADC samples. Noise in 0 to 4 kHz band.
0dBm 1000Hz sine wave at TXAP; FFT
on Rx ADC samples, 1
Reflected back to receiver inputs.
Table 18: Receiver Performance Specifications
nd
nd
and 3
and 3
pk-diff
Test Conditions
pk-diff
at RXA. Measure gain at
rd
rd
at RXA with Rxg=11
harmonic.
harmonic.
st
four harmonics.
pk-diff
-0.29
17.0
16.2
15.7
11.8
Min
-0.2
1.0
5.8
8.8
-30
64
80
-0.042
0.000
Nom
-0.06
0
-100
18.5
17.2
17.4
230
-85
70
12
41
85
6
9
Max
20.0
18.7
18.7
12.2
0.21
1.16
6.2
9.2
0.2
-80
30
DS_1903C_033
µV/bit
Units
V
DBm
Rev. 5.0
MΩ
MV
DB
DB
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
pk-diff