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PCM1861 Datasheet(PDF) 5 Page - Texas Instruments

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Part # PCM1861
Description  PCM186x 110dB 2ch and 4ch Audio ADCs with Universal Front End
PDF  115 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1861 Datasheet(HTML) 5 Page - Texas Instruments

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VINR3 / VIN3P 30
VINL3 / VIN4P 29
VINR4 / VIN3M 28
VINL4 / VIN4M 27
5 Mic Bias
INT 19
MD6 20
1 VINL2 / VIN1M
2 VINR2 / VIN2M
3 VINL1 / VIN1P
4 VINR1 / VIN2P
6 VREF
7 AGND
8 AVDD
9 XO
10 XI
11 LDO
MD5 21
MD4 22
MD3 24
12 DGND
13 DVDD
MD2 23
MD1 25
14 IOVDD
15 SCKI (3.3V)
LRCK 16
MD0 26
DOUT 18
BCK 17
PCM1861, PCM1863, PCM1865
www.ti.com
SLAS831C – MARCH 2014 – REVISED AUGUST 2014
5 Pin Configuration and Functions
5.1 Pin Assignments, PCM1861
Figure 1. Device Pin Assignments, PCM1861
Table 1. Pin Descriptions, PCM1861
PIN
I/O
DESCRIPTIONS
NAME
NO.
VINL2/VIN1M
1
I
Analog input 2, L-channel (or Differential M input for input 1)
VINR2/VIN2M
2
I
Analog input 2, R-channel (or Differential M input for input 2)
VINL1/VIN1P
3
I
Analog input 1, L-channel (or Differential P input for input 1)
VINR1/VIN2P
4
I
Analog input 1, R-channel (or Differential P input for input 2)
Mic Bias
5
–
Mic Bias
VREF
6
–
Reference voltage decoupling (= 0.5 VCC)
AGND
7
–
Analog GND
AVDD
8
–
Analog power supply, +3.3V
XO
9
–
Oscillation amplifier output
XI
10
I
Oscillation amplifier input
LDO
11
–
LDO output (or +1.8V input to bypass LDO)
DGND
12
–
Digital GND
DVDD
13
–
Digital power supply, +3.3V
IOVDD
14
–
Power Supply for I/O Voltages (for example, +3.3V or +1.8V)
SCKI
15
I
CMOS Level (+3.3V) Master Clock Input
LRCK
16
I/O
Audio data latch enable input/output(1)
BCK
17
I/O
Audio data bit clock input/output (1)
DOUT
18
O
Audio data digital output
INT
19
O
Interrupt Output (for Analog Input Detect). Pull High for Active Mode, Pull Low for Idle.
(1)
Schmitt trigger input with internal pull-down (50k
Ω typically).
Copyright © 2014, Texas Instruments Incorporated
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Product Folder Links: PCM1861 PCM1863 PCM1865



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