PCM1860-Q1 Datasheet, PDF (1/141 Pages) Texas Instruments – Automotive, 4-Channel or 2-Channel, 192-kHz, Audio ADCs

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Burr-Brown Audio
PCM1860-Q1, PCM1861-Q1, PCM1862-Q1
PCM1863-Q1, PCM1864-Q1, PCM1865-Q1
SLASE64A – DECEMBER 2014 – REVISED JUNE 2017
PCM186x-Q1 Automotive, 4-Channel or 2-Channel, 192-kHz, Audio ADCs
1 Features
•1 AEC-Q100 Qualified for Automotive Applications
– Temperature Grade 1: –40°C ≤ T_A ≤ +125°C
– HBM ESD Classification Level 2
– CDM ESD Classification Level C5
• High SNR Performance:
– 110-dB SNR (PCM1861-Q1/63-Q1/65-Q1)
– 103-dB SNR (PCM1860-Q1/62-Q1/64-Q1)
• ADC Sample Rate (f_S) = 8 kHz to 192 kHz
• Up To Four Independent ADC Channels Available
• Single-Ended, 2.1-V_RMS Full-Scale (FS) Input
• Differential, 4.2-V_RMS FS Input
• Hardware (HW) Control: PCM1860-Q1/61-Q1
• Software (SW) Control (I²C or SPI):
PCM1862-Q1/63-Q1/64-Q1/65-Q1
• Support for Up To Four Digital Microphones
(SW-Controlled Devices)
• Programmable Gain Amplifier (PGA):
– Fixed Gain: 0 dB, 12 dB, 32 dB
(PCM1860-Q1/61-Q1)
– SW-Controlled Gain: –12 dB to +32 dB
(PCM1862-Q1/63-Q1/64-Q1/65-Q1)
• Integrated High-Performance Audio PLL
• Single 3.3-V Power-Supply Operation
• Power Dissipation at 3.3 V:
– < 85 mW (PCM1860-Q1/61-Q1/62-Q1/63-Q1)
– < 145 mW (PCM1864-Q1/65-Q1)
• Energysense Audio Content Detector for Auto
System Wakeup and Sleep
• Master or Slave Audio Interface
• Automatic PGA Clipping Suppression Control
• PCB-Footprint Compatibility Across All Devices
2 Applications
• Automotive Head Units
• External Car Amplifiers
• Telematics Control Unit (TCU)
3 Description
The PCM186x-Q1 family (PCM1860-Q1, PCM1861-
Q1, PCM1862-Q1, PCM1863-Q1, PCM1864-Q1, and
PCM1865-Q1) of audio front-end devices take a new
approach to audio-function integration to ease
compliance with European Ecodesign legislation,
while enabling high-performance end products at
reduced cost. The PCM186x-Q1 support single-
supply operation at 3.3 V, and offer an integrated
programable gain amplifier (PGA) in a small package;
this configuration makes it feasible to implement
smaller and smarter products at a reduced cost.
The PCM186x-Q1 audio front end supports single-
ended input levels from small-mV microphone inputs
to 2.1-V_RMS line inputs, without external resistor
dividers. The front-end mixer (MIX), multiplexer
(MUX), and PGA also support differential (Diff),
pseudo-differential, and single-ended (SE) inputs,
making these devices an ideal interface for products
that require interference suppression. The PCM186x-
Q1 integrate many system-level functions that assist
or replace some DSP functions.
An integrated band-gap voltage reference provides
excellent PSRR, so that a dedicated analog 3.3-V rail
may not be required.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PCM186x-Q1
TSSOP (30)
7.80 mm × 4.40 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
Simplified Application Diagram
IN
MIC
IN
LINE
PCM186x-Q1
DOUT
BCK
LRCK
TMS320C5535
DOUT
PCM5121
SW mix
TPA3116
BCK
LRCK
PCM5100
TPA3116
Copyright © 2017, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.