參數(shù)資料
型號: 73M1866B-IM/F
廠商: Maxim Integrated Products
文件頁數(shù): 18/88頁
文件大?。?/td> 0K
描述: MICRODAA SGL PCM HIGHWAY 42-QFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 260
系列: MicroDAA™
功能: 數(shù)據(jù)存取裝置(DAA)
接口: PCM,串行,SPI
電路數(shù): 1
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 42-VFQFN 裸露焊盤
供應商設備封裝: 42-QFN(8x8)
包裝: 管件
包括: PCM 通路
DS_1x66B_001
73M1866B/73M1966B Data Sheet
Rev. 1.6
25
3.9
Receive Path
Table 20 lists the receive path characteristics. All test inputs are driven through an AC coupling network
shown in Figure 29. The receive bit stream is measured at the DX pin. RXEN=1.
Table 20: Receive Path
Parameter
Test Condition
Min
Nom
Max
Units
Differential input
resistance
RXP/RXM
1000
Input level
Differential, RXP/RXM
1.1
1.16
Vpk
Input level
Common mode, RXP/RXM
1.37
V
Overall sigma-delta ADC
modulation gain inclusive
of 73M1906B processing
Normalized to VBG=1.19 V.
RXG=00
Divide Vrxp/m by PCM
Output
47.3
V/bit
Offset voltage
R6=
17.4 kΩ, R8=52.3 kΩ,
R9=
21 kΩ.
0
+/- 30
mV
Rx gain
(See Note 1.)
RXG=00
-0.5
0
0.5
dB
RXG=01
2.5
3
3.5
dB
RXG=10
5.5
6
6.5
dB
RXG=11
8.5
9
9.5
dB
RXBST=1, RXG=00
18.3
19.3
20.3
dB
Overall receive
frequency response
inclusive of 73M1906B
processing
Relative to 1 kHz
0.3 kHz – 3.3 kHz
-0.25
0
+0.25
dB
Fs (8 kHz)
-75
dB
Idle noise
300 Hz – 4 kHz
-80
dBm
THD
RXG=00
-85
dB
RXBST=1
-60
Intermod Dist 1.0 kHz
and 1.2 kHz summed
300 Hz – 4 kHz
-85
dB
Crosstalk
1 Vpk 1 kHz sine wave at
TXP; FFT on Rx ADC
samples, first four harmonics
reflected to the line.
-90
dBm
CMRR
RXP=RXM 1 Vpk
40
dB
PSRR
-30 dBm signal at VPX in
Barrier Powered Mode;
300 Hz – 30 kHz.
40*
dB
On-Hook AC Impedance
300 Hz – 4 kHz, without EMI
caps.
2
Note 1: RXG controls the amount of gain or attenuation of the receiver analog gain element as specified
in Table 20. The overall receiver channel gain has 6 dB of attenuation and the net effect of the
RXG bits on the receiver channel gain is defined in Table 36.
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