73M1866B-IMR/F Maxim Integrated Products, 73M1866B-IMR/F Datasheet - Page 25

• Manufacturer Part Number: 73M1866B-IMR/F
• Description: MICRODAA SGL PCM HIGHWAY 42-QFN
• Manufacturer: Maxim Integrated Products
• Series: MicroDAA™r

Specifications of 73M1866B-IMR/F

• Includes: PCM Highway
• Function: Data Access Arrangement (DAA)
• Interface: PCM, Serial, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 42-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Power (watts): -

DS_1x66B_001
3.9
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.
Note 1: RXG controls the amount of gain or attenuation of the receiver analog gain element as specified
Rev. 1.6
Parameter
Differential input
resistance
Input level
Input level
Overall sigma-delta ADC
modulation gain inclusive
of 73M1906B processing
Offset voltage
Rx gain
(See Note 1.)
Overall receive
frequency response
inclusive of 73M1906B
processing
Idle noise
THD
Intermod Dist 1.0 kHz
and 1.2 kHz summed
Crosstalk
CMRR
PSRR
On-Hook AC Impedance
Receive Path
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.
samples, first four harmonics
300 Hz – 4 kHz, without EMI
Normalized to VBG=1.19 V.
Common mode, RXP/RXM
R6=17.4 kΩ, R8=52.3 kΩ,
1 Vpk 1 kHz sine wave at
-30 dBm signal at VPX in
Barrier Powered Mode;
Divide Vrxp/m by PCM
Differential, RXP/RXM
TXP; FFT on Rx ADC
RXBST=1, RXG=00
reflected to the line.
0.3 kHz – 3.3 kHz
RXP=RXM 1 Vpk
300 Hz – 30 kHz.
Relative to 1 kHz
Test Condition
300 Hz – 4 kHz
300 Hz – 4 kHz
See Figure 12.
R9=21 kΩ.
Fs (8 kHz)
RXP/RXM
Table 20: Receive Path
RXBST=1
RXG=00
RXG=00
RXG=01
RXG=10
RXG=11
RXG=00
Output
caps.
-0.25
18.3
Min
-0.5
2.5
5.5
8.5
40
–
–
–
–
–
–
–
–
–
–
–
–
–
–
73M1866B/73M1966B Data Sheet
Nom
1000
1.37
47.3
19.3
1.1
-75
-80
-85
-60
-85
-90
0
0
3
6
9
–
0
–
–
2
+/- 30
+0.25
Max
1.16
20.3
40*
0.5
3.5
6.5
9.5
–
–
–
–
–
–
–
–
–
–
–
–
µV/bit
Units
dBm
dBm
Vpk
mV
MΩ
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
–
25