L9216B/H
Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC with Ground Start
ac Applications (continued)
Design Examples (continued)
Example 1, Real Termination (continued)
Table 24. Parts List L9216; Agere T7504 First-Generation Codec Resistive Termination; Nonmeter Pulse
Application
Name
Value
Tolerance
Rating
Function
Fault Protection
RPT
30 Ω
30 Ω
Agere L7591
1%
1%
—
Fusible or PTC Protection resistor.
Fusible or PTC Protection resistor.
RPR
Protector
—
Secondary protection.
Power Supply
CBAT1
0.1 µF
0.1 µF
1N4004
0.1 µF
0.22 µF
0.1 µF
20%
20%
—
20%
20%
20%
100 V
50 V
—
10 V
100 V
100 V
VBAT filter capacitor.
VBAT filter capacitor. |VBAT2| < |VBAT1|.
Reverse current.
CBAT2
DBAT1
CCC
VCC filter capacitor.
Filter capacitor.
Filter capacitor.
CF1
CF2
Ring/Ring Trip
C1
1.0 µF
0.47 µF
12 kΩ
0.1 µF
383 kΩ
20%
20%
1%
20%
1%
10 V
10 V
1/16 W
10 V
Ring filter for square wave.
ac-couple input ring signal.
Ring filter for square wave.
Ring trip filter capacitor.
Ring trip filter resistor.
C2
R1
CRT
RRT
1/16 W
ac Interface
RGX
4750 Ω
0.1 µF
0.1 µF
0.1 µF
69.8 kΩ
1%
20%
20%
20%
1%
1/16 W
10 V
10 V
10 V
1/16 W
Sets T/R to VITR transconductance.
ac/dc separation.
dc blocking capacitor.
CTX
CC1
CC2
dc blocking capacitor.
RT3
With RGP and RRCV, sets termination
impedance and receive gain.
With RX, sets transmit gain.
With RT6, sets transmit gain.
With RX, sets hybrid balance.
RT6
49.9 kΩ
100 kΩ
100 kΩ
60.4 kΩ
1%
1%
1%
1%
1/16 W
1/16 W
1/16 W
1/16 W
RX
RHB1
RRCV
With RGP and RT3, sets termination
impedance and receive gain.
RGP
26.7 kΩ
17.6 kΩ
1%
1%
1/16 W
1/16 W
With RRCV and RT3, sets termination
impedance and receive gain.
Optional. Compensates for input off-
set at RCVN/RCVP.
RGN Optional
Notes:
Termination Impedance = 600 Ω.
Hybrid Balance = 600 Ω.
Tx = 0 dBm.
Rx = 0 dBm.
Agere Systems Inc.
35