參數(shù)資料
型號(hào): 73M1903-IM/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: ROHS COMPLIANT, QFN-32
文件頁(yè)數(shù): 25/47頁(yè)
文件大?。?/td> 541K
代理商: 73M1903-IM/F
DS_1903_032
73M1903 Data Sheet
Rev. 2.1
31
8.5.2
Transmitter
Table 18: Transmitter Performance Specifications
Parameter
Test Condition
Min
Nom
Max
Units
DAC gain
(Transmit Path Gain)
Code word of
± 32,767 @1 kHz;
TXBST0=0; TXBST1=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 @1 kHz;
relative to TXBST0=0; TXBST1=0
1.65
dB
TXBST1 Gain
Code word of
± 32,767 @1 kHz;
relative to TXBST0=0; TXBST1=0
1.335
dB
Total Harmonic
Distortion (THD)
Code word of
± 32,767 @1 kHz; relative
to TXBST0=0;TXBST1=0 THD = 2
nd and
3
rd harmonic.
-75
-85
dB
Code word of
± ( 32,767*0.8) @1 kHz;
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) @1 kHz;
relative to TXBST0=1;TXBST1=1 THD =
2
nd and 3rd harmonic.
-60
-70
dB
Code word of
± 32,767 @1 kHz;
relative to TXBST0=1;TXBST1=1
THD = 2
nd and 3rd harmonic
-70
Intermod Distortion
At output (TXAP-TXAN): DTMF
1.0 kHz, 1.2 kHz sine waves, summed
2.0 Vpk (-2 dBm tone summed with
0 dBm tone)
Refer to TBR 21 specifications for
description of complete requirements.
70
dB
below
low
tone
Idle Channel Noise
200 Hz - 4.0 kHz
110
μV
PSRR
-30 dBm signal at VPA
300 Hz – 30kHz
40
dB
Passband Ripple
300 Hz - 3.2kHz
-0.125
0.125
dB
Transmit Gain
Flatness
Code word of
± 32,767 @1 kHz.
Measure gain at 0.5 kHz, and 2 kHz
relative to 1 kHz.
Gain at 0.5 kHz
Gain at 1 kHz (Normalized)
Gain at 2.0 kHz
Gain at 3.3 kHz
0.17
0
0.193
-0.12
dB
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