le9531cmqc Zarlink Semiconductor, le9531cmqc Datasheet - Page 15
le9531cmqc
Manufacturer Part Number
le9531cmqc
Description
Ringing Subscriber Line Interface Circuit
Manufacturer
Zarlink Semiconductor
Datasheet
1.LE9531CMQC.pdf
(34 pages)
Receive Gain, f = 1004 Hz, 1020 Hz Open Loop
Gain vs. Frequency (transmit and receive), 600
Termination, 1004 Hz, 1020 Hz Reference
Gain vs. Level (transmit and receive), 0 dBV Reference
Idle-channel Noise (Tip/Ring), 600 Termination:
Note 1:
Note 2:
Note 3:
RCVP or RCVN to PT/PR
200 Hz to 300 Hz
300 Hz to 3.4 kHz
3.4 kHz to 20 kHz
20 kHz to 266 kHz
–55 dB to +3.0 dB
C-Message
Psophometric
3 kHz Flat
This parameter is not tested in production. It is guaranteed by design and device characterization.
DCOUT_Gain =
as V
VITR transimpedance depends on the resistor from ITR to VTX. This gain assumes an ideal 6.49 k, (the recommended
value). Positive current is defined as the differential current flowing from PT to PR.
1
DCOUT
1
. Further, Offset_voltage = V
(V
Parameter
DCOUT
)/
(|I
TR
|), tested with DC loop current, |I
Table 2 - Analog Pin Characteristics
DCOUT
1
:
Zarlink Semiconductor Inc.
– |I
TR
Le9531
|* DCOUT_G
15
1
:
ain
–0.05
–0.05
Min.
7.76
–0.3
–3.0
TR
, |I
—
—
—
—
|, of 5mA and 20mA, and measure voltage at DCOUT
TR
| is 5mA and above.
Typ.
8.00
–82
—
—
0
0
0
0
8
Max.
8.24
0.05
0.05
0.05
0.05
–77
2.0
13
20
Data Sheet
dBrnC
dBrnp
dBrn
Unit
V/V
dB
dB