參數(shù)資料
型號(hào): 73M1903-IM
廠商: TERIDIAN SEMICONDUCTOR CORP
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, QCC32
封裝: QFN-32
文件頁數(shù): 26/45頁
文件大?。?/td> 449K
代理商: 73M1903-IM
73M1903
Modem Analog Front End
DATA SHEET
ge: 32 of 45
2005 TERIDIAN Semiconductor Corporation
Rev 1.4
Transmitter
Parameter
Test Condition
Min
Nom
Max
Units
DAC gain
(Transmit Path Gain)
Code word of
± 32,767 @1kHz;
TXBST0=0; DTMFBST=0
70
v/bit
DC offset –Differential
Mode
Across TXAP and TXAN for
DAC input = 0
-100
100
mV
DC offset -Common
Mode
Average of TXAP and TXAN for DAC
input = 0; relative to VREF
-80
80
mV
TXBST0 Gain
Code word of
± 32,767 @1kHz;
relative to TXBST0=0; TXBST1=0
1.65
dB
DTMFBST Gain
Code word of
± 32,767 @1kHz;
relative to TXBST0=0; TXBST1=0
1.335
dB
Total Harmonic
Distortion (THD)
Code word of
± 32,767 @1kHz;
relative to TXBST0=0;TXBST1=0
THD = 2
nd and 3rd harmonic.
-75
-85
dB
Code word of
± ( 32,767*0.8) @1kHz;
relative to TXBST0=0;TXBST1=0
THD = 2
nd and 3rd harmonic.
-80
-85
dB
1200 Resistor
across TNAN/TXAP
Code word of
± ( 32,767*0.9) @1kHz;
relative to TXBST0=1;TXBST1=1
THD = 2
nd and 3rd harmonic.
-60
-70
dB
Code word of
± 32,767 @1kHz;
relative to TXBST0=1;DTMFBST=1
THD = 2
nd and 3rd harmonic
-70
Intermod Distortion
At output (TXAP-TXAN): DTMF
1.0kHz, 1.2kHz sine waves, summed
2.0Vpk (-2dBm tone summed with 0dBm
tone)
Refer to TBR 21 specifications for
description of complete requirements.
70
dB
below
low
tone
Idle Channel Noise
200Hz - 4.0kHz
110
V
PSRR
-30 dBm signal at VPA
300Hz – 30kHz
40
dB
Passband Ripple
300Hz - 3.2kHz
-0.125
0.125
dB
Transmit Gain
Flatness
Code word of
± 32,767 @1kHz.
Measure gain at 0.5kHz, and 2KHz
relative to 1kHz.
Gain at 0.5kHz
Gain at 1kHz (Normalized)
Gain at 2.0kHz
Gain at 3.3kHz
0.17
0
0.193
-0.12
dB
Table 16: -Transmitter Performance Specifications
相關(guān)PDF資料
PDF描述
73M1903-IGV/F SPECIALTY CONSUMER CIRCUIT, PQFP32
73M1903-IGV SPECIALTY CONSUMER CIRCUIT, PQFP32
73M1903-IM SPECIALTY CONSUMER CIRCUIT, QCC32
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