参数资料
型号: 73M1903-IMR/F
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封装: ROHS COMPLIANT, QFN-32
文件页数: 24/47页
文件大小: 541K
代理商: 73M1903-IMR/F
73M1903 Data Sheet
DS_1903_032
30
Rev. 2.1
8.5
Performance
8.5.1
Receiver
Table 17: 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=0.116 Vpk-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
(0 dB) @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 1.16 Vpk-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
-0.067
-0.042
0.000
0.183
0.21
0.43
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=1.25 V.
Includes the effect of AAF(-0.4 dB) 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 1.16 Vpk-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
0 dBm 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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