L7554 AGERE [Agere Systems], L7554 Datasheet - Page 9

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

Data Sheet
March 1997
Lucent Technologies Inc.
Electrical Characteristics
Table 6. Analog Pin Characteristics
1. Loop closure threshold is programmed by resistor R
2. Ring ground threshold is programmed by resistor R
Table 7. Uncommitted Op Amp Characteristics
Differential PT/PR Current Sense (DCOUT)
Loop Closure Detector Threshold
Ring Ground Detector Threshold
Ring Trip Comparator
RCVN, RCVP
Input Offset Voltage
Input Offset Current
Input Bias Current
Differential Input Resistance
Output Voltage Swing (R
Output Resistance (A
Small Signal GBW
Gain (PT/PR to DCOUT)
Offset Voltage @ I
Programming Accuracy
R
Programming Accuracy
Input Offset Voltage
Input Bias Current
ICM
= 83 k
LOOP
VCL
Parameter
Parameter
= 0, V
L
= 1)
= 10 k )
BAT
2
1
= –48 V
(continued)
ICM2
LCTH
from pin I
from pin LCTH to pin DCOUT.
CM
to V
CC
–119
–200
Min
Min
—
—
—
—
—
—
—
—
—
—
—
.
3
–125
–0.2
Typ
Typ
200
700
1.5
2.0
—
—
—
—
3.5
6
10
5
L7554 Low-Power SLIC
–127
Max
Max
200
10
–1
—
—
—
—
—
—
—
20
25
10
Unit
Unit
Vpk
kHz
V/A
M
mV
mV
mV
k
nA
nA
%
%
A
9