PCM4220 Datasheet, PDF (7/34 Pages) Texas Instruments – High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter

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PCM4220
PIN CONFIGURATION
PFB PACKAGE
TQFP-48
(TOP VIEW)
SBAS407A – DECEMBER 2006 – REVISED MAY 2007
48 47 46 45 44 43 42 41 40 39 38 37
AGND 1
VINR- 2
VINR+ 3
VCC1 4
AGND 5
AGND 6
AGND 7
AGND 8
VCC2 9
VINL- 10
VINL+ 11
AGND 12
PCM4220
36 RST
35 MCKI
34 LRCK
33 BCK
32 DATA
31 VDD
30 DGND
29 NC
28 NC
27 NC
26 SUB0
25 SUB1
13 14 15 16 17 18 19 20 21 22 23 24
PIN
NAME
NO.
AGND
1
VINR–
2
VINR+
3
VCC1
4
AGND
5
AGND
6
AGND
7
AGND
8
VCC2
9
VINL–
10
VINL+
11
AGND
12
VCOML
13
REFGNDL
14
VREFL
15
PCMEN
16
HPFDR
17
HPFDL
18
TERMINAL FUNCTIONS
I/O
Ground
Input
Input
Power
Ground
Ground
Ground
Ground
Power
Input
Input
Ground
Output
Ground
Output
Input
Input
Input
DESCRIPTION
Analog ground
Right channel inverting, 2.8V_PP nominal full-scale
Right channel noninverting, 2.8V_PP nominal full-scale
Analog supply, +4.0V nominal
Analog ground
Analog ground
Analog ground
Analog ground
Analog supply, +4.0V nominal
Left channel inverting, 2.8V_PP nominal full-scale
Left channel noninverting, 2.8V_PP nominal full-scale
Analog ground
Left channel common-mode voltage, (0.4875 × VCC2) nominal
Left channel reference ground, connect to analog ground
Left channel reference output for decoupling purposes only
PCM output enable (active high)
Right channel high-pass filter disable (active high)
Left channel high-pass filter disable (active high)
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