Datasheet

www.ti.com
DAC
∆Σ
Audio
Interface
× 8
Digital
Filter
+
DAC
∆Σ
SPI
Port
× 8
Digital
Filter
+
V
COM
Clock Manager
Power Supply
LRCK
DATA
BCK
(FMT) MS
(AMIX) MC
(DEMP) MD
SCKI PD V
CC1
V
CC2
V
OUT
R
V
COM
V
OUT
L
AIN
Digital
Attenuator
Lineout
Amplifier
( ) : PCM1773
AGND1 AGND2
B0001-01
TYPICAL PERFORMANCE CURVES
DIGITAL FILTER
Digital Filter (De-Emphasis Off)
−140
−120
−100
−80
−60
−40
−20
0
0 1 2 3 4
Amplitude – dB
G001
f – Frequency [ f
S
]
f – 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 – dB
G002
PCM1772 , PCM1773
SLES010G – SEPTEMBER 2001 – REVISED MARCH 2007
FUNCTIONAL BLOCK DIAGRAM
All specifications at T
A
= 25°C, V
CC1
= V
CC2
= 2.4 V, f
S
= 44.1 kHz, system clock = 256 f
S
and 24-bit data, R
L
= 10 k Ω , unless
otherwise noted.
AMPLITUDE AMPLITUDE
vs vs
FREQUENCY FREQUENCY
Figure 1. Figure 2.
8
Submit Documentation Feedback