Datasheet

www.ti.com
TYPICAL PERFORMANCE CURVES
Digital Filter (De-Emphasis Off)
0
−20
−40
−60
−80
−100
−120
−140
0 1 2 3 4
Frequency (x f
S
)
Amplitude (dB)
0.05
0.04
0.03
0.02
0.01
0
−0.01
−0.02
−0.03
−0.04
−0.05
0 0.1 0.2 0.3 0.4 0.5
Frequency (x f
S
)
Amplitude (dB)
0
−20
−40
−60
−80
−100
−120
−140
0 1 2 3 4
Frequency (x f
S
)
Amplitude (dB)
5
4
3
2
1
0
−1
−2
−3
−4
−5
0 0.1 0.2 0.3 0.4 0.5
Frequency (x f
S
)
Amplitude (dB)
PCM1742
SBAS176A – DECEMBER 2000 – REVISED APRIL 2005
All specifications at T
A
= 25°C, V
CC
= 5 V, V
DD
= 3.3 V, f
S
= 44.1 kHz, system clock = 384 f
S
, and 24-bit input data, unless
otherwise noted
FREQUENCY RESPONSE (SHARP ROLLOFF) PASS-BAND FREQUENCY RESPONSE (SHARP ROLLOFF)
Figure 1. Figure 2.
FREQUENCY RESPONSE (SLOW ROLLOFF) TRANSITION CHARACTERISTICS (SLOW ROLLOFF)
Figure 3. Figure 4.
7