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PCM5100 (HDMI:U2401)
PCM5100 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
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8x
Int
er
pol
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ion
F
ilt
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32b
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∆
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
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Figure 1. PCM510x Functional Block Diagram
2
Copyright © 2011, Texas Instruments Incorporated
OUTL
OUTR