Datasheet

®
8
PCM3501
TYPICAL PERFORMANCE CURVES
ADC SECTION
DIGITAL FILTER
DECIMATION FILTER FREQUENCY RESPONSE
Normalized Frequency (• f
S
Hz)
Amplitude (dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
81624320
DECIMATION FILTER
STOPBAND ATTENUATION CHARACTERISTICS
Normalized Frequency (• f
S
Hz)
Amplitude (dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.2 0.4 0.6 0.8 1.00
DECIMATION FILTER
PASSBAND RIPPLE CHARACTERISTICS
Normalized Frequency (• f
S
Hz)
Amplitude (dB)
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0.1 0.2 0.3 0.4 0.50
DECIMATION FILTER TRANSITION
BAND CHARACTERISTICS
Normalized Frequency (• f
S
Hz)
Amplitude (dB)
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
0.45 0.46 0.47 0.48 0.49 0.50 0.51 0.52 0.53 0.54 0.55
–4.13dB at 0.5 • f
S
HIGH-PASS FILTER FREQUENCY RESPONSE
STOPBAND CHARACTERISTICS
Normalized Frequency (• f
S
/1000 Hz)
Amplitude (dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.1 0.2 0.3 0.4 0.50
HIGH-PASS FILTER FREQUENCY RESPONSE
PASSBAND CHARACTERISTICS
Normalized Frequency (• f
S
/1000 Hz)
Amplitude (dB)
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1.0
12340