Datasheet

PCM3010
SLES055 – NOVEMBER 2002
9
www.ti.com
TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (ADC PORTION)
digital filter
Figure 2. Overall Characteristics
Frequency [× f
S
]
–200
–150
–100
–50
0
0 8 16 24 32
Amplitude – dB
AMPLITUDE
vs
FREQUENCY
Figure 3. Stop-Band Attenuation Characteristics
Frequency [× f
S
]
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
0.0 0.2 0.4 0.6 0.8 1.0
Amplitude – dB
AMPLITUDE
vs
FREQUENCY
–1.0
–0.8
–0.6
–0.4
–0.2
–0.0
0.2
0.0 0.1 0.2 0.3 0.4 0.5
Frequency [× f
S
]
Amplitude – dB
AMPLITUDE
vs
FREQUENCY
0.0
Figure 4. Pass-Band Ripple Characteristics Figure 5. Transient Band Characteristics
Frequency [× f
S
]
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
0.45 0.46 0.47 0.48 0.49 0.50 0.51 0.52 0.53 0.54 0.55
Amplitude – dB
AMPLITUDE
vs
FREQUENCY
–4.13 dB @ 0.5 f
S
All specifications at T
A
= 25°C, V
CC
1 = V
CC
2 = 5 V, V
DD
= 3.3 V, f
S
= 44.1 kHz, SCKI = 384 f
S
, 24-bit data, unless otherwise noted.