Datasheet

PCM3010
SLES055 – NOVEMBER 2002
11
www.ti.com
TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (DAC PORTION)
digital filter
Figure 10. Frequency Response (Sharp Rolloff)
Frequency [× f
S
]
–140
–120
–100
–80
–60
–40
–20
0
01234
Amplitude – dB
AMPLITUDE
vs
FREQUENCY
Figure 11. Frequency Response, Pass-Band
(Sharp Rolloff)
Frequency [× f
S
]
–0.05
–0.04
–0.03
–0.02
–0.01
0.00
0.01
0.02
0.03
0.04
0.05
0.0 0.1 0.2 0.3 0.4 0.5
AMPLITUDE
vs
FREQUENCY
0.00
Amplitude – dB
Figure 12. De-Emphasis (f
S
= 32 kHz)
f – Frequency – kHz
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0
LEVEL
vs
FREQUENCY
Level – dB
Figure 13. De-Emphasis Error (f
S
= 32 kHz)
f – Frequency – kHz
–0.5
–0.4
–0.3
–0.2
–0.1
–0.0
0.1
0.2
0.3
0.4
0.5
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0
ERROR
vs
FREQUENCY
0.0
Error – dB
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.