PCM5100 (DIGITAL : IC321/IC322)
Block Diagram
PCM5100, PCM5101, PCM5102
SLAS764
–
MAY 2011
www.ti.com
DEVICE INFORMATION
TERMINAL FUNCTIONS, PCM510x
PCM510X (top view)
Table 2. TERMINAL FUNCTIONS, PCM510x
TERMINAL
I/O
DESCRIPTION
NAME
NO.
CPVDD
1
-
Charge pump power supply, 3.3V
CAPP
2
O
Charge pump flying capacitor terminal for positive rail
CPGND
3
-
Charge pump ground
CAPM
4
O
Charge pump flying capacitor terminal for negative rail
VNEG
5
O
Negative charge pump rail terminal for decoupling, -3.3V
OUTL
6
O
Analog output from DAC left channel
OUTR
7
O
Analog output from DAC right channel
AVDD
8
-
Analog power supply, 3.3V
AGND
9
-
Analog ground
DEMP
10
I
De-emphasis control for 44.1kHz sampling rate
(1)
: Off (Low) / On (High)
FLT
11
I
Filter select : Normal latency (Low) / Low latency (High)
SCK
12
I
System clock input
BCK
13
I
Audio data bit clock input
DIN
14
I
Audio data input
LRCK
15
I
Audio data word clock input
FMT
16
I
Audio format selection : I
2
S (Low) / Left justified (High)
XSMT
17
I
Soft mute control : Soft mute (Low) / soft un-mute (High)
LDOO
18
-
Internal logic supply rail terminal for decoupling
DGND
19
-
Digital ground
DVDD
20
-
Digital power supply, 3.3V
(1) Failsafe LVCMOS Schmitt trigger input
6
Copyright
©
2011, Texas Instruments Incorporated
A
udi
o
Int
er
fac
e
8x
Int
er
pol
at
ion
F
ilt
er
32b
it
∆
Σ
M
od
ul
at
or
Current
Segment
DAC
Current
Segment
DAC
I/V
I/V
A
na
lo
g
M
ut
e
A
na
lo
g
M
ut
e
Zero
Data
Detector
UVP/Reset
PLL Clock
Power
Supply
Ch. Pump
POR
Clock Halt
Detection
Advanced Mute Control
MCK
BCK
LRCK
C
A
P
P
C
A
P
M
V
N
E
G
LINE OUT
DIN (i2s)
PCM510x
CPVDD (3.3V)
AVDD (3.3V)
DVDD (3.3V)
GND
PCM5100, PCM5101, PCM5102
SLAS764
–
MAY 2011
www.ti.com
Table 1. Differences Between PCM510x Devices
Part Number
Dynamic Range
SNR
THD
PCM5102
112dB
112dB
–
93dB
PCM5101
106dB
106dB
–
92dB
PCM5100
100dB
100dB
–
90dB
spacer
Figure 1. PCM510x Functional Block Diagram
2
Copyright
©
2011, Texas Instruments Incorporated
OUTL
OUTR
183
