L7554 AGERE [Agere Systems], L7554 Datasheet - Page 10

• Manufacturer Part Number: L7554
• Description: L7554 Low-Power SLIC
• Manufacturer: AGERE [Agere Systems]

L7554 Low-Power SLIC
Electrical Characteristics
Table 8. ac Feed Characteristics
1. Set by external components. Any complex impedance R
2. This parameter is not tested in production. It is guaranteed by design and device characterization.
3. Return loss and transhybrid loss are functions of device gain accuracies and the external hybrid circuit. Guaranteed performance assumes
10
ac Termination Impedance
Longitudinal Impedance
Total Harmonic Distortion—200 Hz to 4 kHz
Transmit Gain, f = 1 kHz (PT/PR to VITR)
Receive + Gain, f = 1 kHz (RCVP to PT/PR)
Receive – Gain, f = 1 kHz (RCVN to PT/PR)
Gain vs. Frequency (transmit and receive)
Gain vs. Level (transmit and receive)(reference 0 dBV
Return Loss
2-wire Idle-channel Noise (600
Transmit Idle-channel Noise
Transhybrid Loss
Off-hook
On-hook
Transmit Accuracy in dB, 25 C
Transmit Accuracy in dB, Full Temperature Range
Receive Accuracy in dB, 25 C
Receive Accuracy in dB, Full Temperature Range
(600
200 Hz to 300 Hz
300 Hz to 3.4 kHz
3.4 kHz to 16 kHz
16 kHz to 266 kHz
–50 dB to +3 dB
200 Hz to 500 Hz
500 Hz to 3400 Hz
Psophometric
C-message
3 kHz Flat
Psophometric
C-message
3 kHz flat
200 Hz to 500 Hz
500 Hz to 3400 Hz
1% tolerance of external components.
termination; reference 1 kHz
3
3
Parameter
2
1
termination)
(continued)
2
)
2
1
+ R2 || C between 150
2
)
–0.15
–0.22
–0.18
–0.25
–1.00
–0.05
–0.3
–0.5
150
Min
20
26
21
26
—
—
—
—
—
—
—
—
—
—
—
—
—
and 1300
–8.00
–400
8.00
–0.1
–87
–82
Typ
0.0
0.0
—
40
—
—
—
24
29
10
15
24
29
can be synthesized.
0
0
0
0
0
2
7
Lucent Technologies Inc.
1300
0.15
0.22
0.18
0.25
0.05
0.05
0.05
–77
–77
Max
0.3
1.0
0.3
2.0
46
12
20
12
20
—
—
—
—
—
—
—
March 1997
Data Sheet
dBrnC
dBrnC
dBmp
dBmp
dBrn
dBrn
Unit
V/A
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
–
–