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SLES081A − JUNE 2003 – REVISED MAY 2004
TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER
DAC DIGITAL INTERPOLATION FILTER FREQUENCY RESPONSE
AMPLITUDE
vs
FREQUENCY
AMPLITUDE
vs
FREQUENCY
0.05
0.04
0
−20
0.03
−40
0.02
0.01
−60
0.00
−80
−0.01
−0.02
−0.03
−0.04
−0.05
−100
−120
−140
0.0
0.1
0.2
0.3
0.4
0.5
0
1
2
3
4
f – Frequency [× f ]
f – Frequency [× f ]
S
S
Figure 1. Frequency Response
Figure 2. Pass-Band Ripple
DAC ANALOG LOW-PASS FILTER FREQUENCY RESPONSE
AMPLITUDE
vs
AMPLITUDE
vs
FREQUENCY
FREQUENCY
0.0
−0.5
−1.0
−1.5
−2.0
0
−20
−40
−60
−80
0.01
0.1
1
10
100
1
10
100
1k
10k
f – Frequency – kHz
f – Frequency – kHz
Figure 3. Pass-Band Characteristics
Figure 4. Stop-Band Characteristics
All specifications at T = 25°C, V
BUS
= 5 V, f = 44.1 kHz, f = 1 kHz, 16-bit data, unless otherwise noted.
IN
A
S
10
TI [ TEXAS INSTRUMENTS ]
