ia3222 integration, ia3222 Datasheet - Page 18

• Manufacturer Part Number: ia3222
• Description: Ia3222/ia3223 Ez Daa? Chipset With Analog Interface
• Manufacturer: integration

Figure 23: Transmitter-path CMR aliasing into audio band with
Receiver-path PSR aliasing into audio band with selected out-of-band frequencies
Transmitter-path CMR aliasing into audio band with selected out-of-band frequencies
Figure 21: Receiver-path PSR aliasing into audio band with
-44
-46
-48
-50
-52
-54
-56
-58
-60
-62
-64
-66
-68
-70
-72
-34.00
-36.00
-38.00
-40.00
-42.00
-44.00
-46.00
-48.00
-50.00
-52.00
-54.00
-56.00
-58.00
-60.00
-62.00
-64.00
-66.00
-68.00
24.00
22.00
20.00
18.00
16.00
14.00
12.00
10.00
10
8.00
6.00
4.00
2.00
0.00
10
0.1
Figure 21: RF immunity, IEC61000-4-6 method
Transmitter-path CMR aliasing into audio band with selected out-of-band frequencies
Receiver-path PSR aliasing into audio band with selected out-of-band frequencies
selected out-of-band frequencies
selected out-of-band frequencies
100
100
External clock (KHz) 64
RF immunity, IEC61000-4-6 method
External clock (KHz) 64
RF immunity, IEC61000-4-6 method
1
Competitor
Frequency (kHz)
Frequency (kHz)
Frequency (MHz)
1000
1000
Internal clock (kHz) 73.4313
Internal clock (kHz) 73.4313
IA3222/3223
10
10000
10000
100000
100000
100
4.6
4.4
4.2
3.8
3.6
3.4
3.2
2.8
2.6
2.4
-100.0
-110.0
-10.0
-20.0
-30.0
-40.0
-50.0
-60.0
-70.0
-80.0
-90.0
-58
-60
-62
-64
-66
-68
-70
-72
4
3
(signals at selected out-of-band frequencies injected into Tx pin
10000
10
10
Transmit gain over frequency (Hz) versus ACIN capacitor
Out-of-band signals aliased into the receiver and transmitter paths
Figure 22: Transmit gain versus ACIN capacitor
15 nF
68 nF
Figure 24: Receiver out-of-band spurs
Figure 22: Aliasing into audio band
Out-of-band frequencies aliased into the transmitter and receiver paths
100000
100
Internal clock
100
Receiver out-of-band spurs
Tx out-of-band rejection
Receiver out-of-band spurs
22 nF
100 nF
Frequency (Hz)
External clock, 1.536 MHz / 24
Frequency (kHz)
1000000
1000
Hybrid out-of-band rejection
1000
33 nF
220 nF
IA3222/IA3223
10000000
10000
47 nF
100000000
10000
100000
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