Datasheet

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TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (ADC SECTION)
DIGITAL FILTER
Normalized Frequency [×f
S
]
−200
−150
−100
−50
0
0 8 16 24 32
Amplitude − dB
G001
Normalized Frequency [×f
S
]
−100
−80
−60
−40
−20
0
0.0 0.2 0.4 0.6 0.8 1.0
Amplitude − dB
G002
PCM3052A
SLES160 – NOVEMBER 2005
DEVICE INFORMATION (continued)
TERMINAL FUNCTIONS (continued)
TERMINAL
I/O DESCRIPTION
NAME NO.
SCKI 17 I System clock input, 256 f
S
(3)
SCL 19 I Mode control clock input
(3)
SDA 18 I/O Mode control data input/output
(4)
V
CC
1 7 ADC analog power supply, 5 V
V
CC
2 23 DAC analog power supply, 5 V
V
CC
3 31 Microphone amplifier and bias analog power supply, 5 V
V
COM
26 DAC common voltage decoupling, 0.5 V
CC
2
V
DD
16 Digital power supply, 3.3 V
V
IN
L 2 I Line input to ADC, L-channel
V
IN
R 6 I Line input to ADC, R-channel
V
OUT
L 25 O Analog output from DAC, L-channel
V
OUT
R 24 O Analog output from DAC, R-channel
V
REF
1 4 ADC reference 1 voltage output, 0.5 V
CC
1
V
REF
2 5 ADC reference 2 voltage decoupling, V
CC
1
(4) Schimtt-trigger input/open-drain LOW output, 5-V tolerant
All specifications at T
A
= 25 ° C, V
CC
1 = V
CC
2 = V
CC
3 = 5 V, V
DD
= 3.3 V, f
S
= 48 kHz, SCKI = 256f
S
, 24-bit data, unless
otherwise noted.
OVERALL CHARACTERISTICS STOP-BAND ATTENUATION CHARACTERISTICS
Figure 1. Figure 2.
8