SI2493-C-FT Silicon Laboratories Inc, SI2493-C-FT Datasheet - Page 20

• Manufacturer Part Number: SI2493-C-FT
• Description: 56 KBPS, V.92 ISOMODEM SYSTEM-SIDE - LEAD-FREE TSSOP 0 TO 7
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-C-FT

• Mfg Application Notes: SI2493/57/34/15/04, Appl Note AN93
• Data Format: V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
• Baud Rates: 56k
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AN93
2.3.2. Analog Output
Figure 8 illustrates an optional application circuit to support the analog output capability of the Si2493/57/34/15/04
for call progress monitoring.
20
AOU T
Figure 8. Optional Connection to AOUT for a Monitoring Speaker
C 2
Table 8. Component Values—Optional Connection to AOUT
C2, C3, C5
Symbol
R 3
C4
C6
R1
R2
R3
U1
C 6
R 1
Rev. 0.9
100 µF, 16 V, Elec. ±20%
10 kΩ, 1/10 W, ±5%
47 kΩ, 1/10 W, ±5%
820 pF, 16 V, ±20%
0.1 µF, 16 V, ±20%
10 Ω, 1/10 W, ±5%
3
2
+
–
+5 V
6
4
LM386
Value
U 1
5
C 3
C 5
R 2
+
C 4
Speaker