le9531cmqc Zarlink Semiconductor, le9531cmqc Datasheet - Page 15

• Manufacturer Part Number: le9531cmqc
• Description: Ringing Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

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