ISL54230_09 Datasheet, PDF (11/18 Pages) Intersil Corporation – Octal Multiprotocol Switch

Application Block Diagram
V_DD
COM1A
IN1
COM1B
ISL54230
NO1A
NC1A
NO1B
NC1B
MAIN
MICROPHONE
EAR BUD
MICROPHONE
COM2A
IN2
COM2B
COM3A
IN3
COM3B
COM4A
IN4
COM4B
OE1
OE2
NO2A
NC2A
NO2B
NC2B
NO3A
NC3A
NO3B
NC3B
NO4A
NC4A
NO4B
NC4B
GND
BASEBAND
CODEC
MULTIMEDIA
CODEC
USB
TRANSCEIVER A
USB
TRANSCEIVER B
AUDIO
CODEC A
AUDIO
CODEC B
µCONTROLLER
OR
BASEBAND
PROCESSOR
Typical Performance Curves
10
V_DD = 3.0V
9 ^{ICOM = 40mA}
8
T_A = +25°C, Unless Otherwise Specified.
+85°C
8.0 _{T = +25°C}
I_COM = 40mA
7.5
7.0
7
6.5
+25°C
6
6.0
-40°C
5
5.5
+2.7V
+3V
+3.6V
4
5.0
3
0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45
V_COM (V)
FIGURE 7. ON-RESISTANCE vs SWITCH VOLTAGE; COM2x
AND COM3x
4.5
0
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45
V_COM (V)
FIGURE 8. ON- RESISTANCE vs SWITCH VOLTAGE; COM2,
COM3
11
FN6825.2
May 28, 2009