參數(shù)資料
型號(hào): 73M1903C-IMR/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝: LEAD FREE, QFN-32
文件頁(yè)數(shù): 28/48頁(yè)
文件大小: 487K
代理商: 73M1903C-IMR/F
73M1903C Data Sheet
DS_1903C_033
34
Rev. 5.0
9.3
Performance
9.3.1
Receiver
Table 18: Receiver Performance Specifications
Parameter
Test Conditions
Min
Nom
Max
Units
Input Impedance
Measured at RXAP/N relative to VREF
RXPULL=HI
230
k
Measured at RXAP/N relative to VREF
RXPULL=LO
1.0
M
Receive Gain
Boost
Rxgain = 1; 1 kHz; RXAP/N=0.116Vpk-diff
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
17.0
16.2
15.7
18.5
17.4
17.2
20.0
18.7
dB
Total Harmonic
Distortion (THD)
THD = 2
nd and 3rd harmonic.
RXGAIN =1
64
70
RXG Gain
Gain Measured relative to RXG[1:0]=11
(0dB) @1 kHz
RXG[1:0]=00
RXG[1:0]=01
RXG[1:0]=10
5.8
8.8
11.8
6
9
12
6.2
9.2
12.2
dB
Passband Gain
Input 1.16Vpk-diff at RXA. Measure gain at
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
-0.29
-0.2
-0.042
0.000
-0.06
0.21
0.2
dB
Input offset
Short RXAP to RXAN. Measure input
voltage relative to VREF
-30
0
30
MV
Sigma-Delta ADC
Modulation gain
Normalized to VBG=1.25V.
Includes the effect of AAF(-0.4dB) with
Bits 1,0 of CTRL2 register (01h) = 00.
41
V/bit
Maximum Analog
Signal Level at
RXAP/RXAN
Peak voltage measured differentially
across RXAP/RXAN.
1.16
Vpk-diff
Total Harmonic
Distortion (THD)
1 kHz 1.16Vpk-diff at RXA with Rxg=11
THD = 2
nd and 3rd harmonic.
80
85
DB
Noise
Transmit V.22bis low band; FFT run on
ADC samples. Noise in 0 to 4 kHz band.
-85
-80
DBm
Crosstalk
0dBm 1000Hz sine wave at TXAP; FFT
on Rx ADC samples, 1
st four harmonics.
Reflected back to receiver inputs.
-100
DB
Note: RXG[1:0] and RXGAIN are assumed to have settings of ‘0’ unless they are specified otherwise.
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