參數(shù)資料
型號(hào)： PCM3794RHBR
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 通信及網(wǎng)絡(luò)
英文描述： SPECIALTY TELECOM CIRCUIT, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 1/67頁(yè)
文件大?。?/td> 1417K
代理商： PCM3794RHBR
BurrBrown Products
from Texas Instruments
FEATURES
APPLICATIONS
DESCRIPTION
SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital
Speaker Amplifier
2 (I2C) or 3 (SPI) Wire Serial Control
Analog Front End:
Programmable Function by Register Control:
–
Stereo Single-Ended Input With Multiplexer
–
Digital Attenuation of DAC: 0 dB to –62 dB
–
Mono Differential Input
–
Power Up/Down Control for Each Module
–
Stereo Programmable Gain Amplifier
–
6-dB to –70-dB Gain for Analog Outputs
–
Microphone Boost Amplifier (20 dB) and
–
30-dB to –12-dB Gain for Analog Inputs
Bias
–
0/20 dB Boost Selectable for Microphone
Analog BackEnd:
Input
–
Stereo/Mono Line Output With Volume
–
0-dB to –21-dB Gain for Analog Mixing
–
Stereo/Mono Headphone Amplifier With
–
Parameter Settings for ALC
Volume and Capless Mode
–
Three-Band Tone Control and 3D Sound
–
Stereo/Mono Digital Speaker Amplifier
–
High-Pass Filter and Two-Stage Notch
(BTL) With Volume (PCM3793)
Filter
Analog Performance:
–
Analog Mixing
–
Dynamic Range: 93 dB (DAC)
Pop-Noise Reduction Circuit
–
Dynamic Range: 90 dB (ADC)
Short and Thermal Protection Circuit
–
40-mW + 40-mW Headphone Output at
Package: 5-mm × 5-mm QFN Pacakge
RL = 16
Operation Temperature Range: –40°C to 85°C
–
700-mW + 700-mW Speaker Output at
RL = 8
Power Supply Voltage
Portable Audio Player, Cellular Phone
–
1.71 V to 3.6 V for Digital I/O Section
Video Camcorder, Digital Still Camera
PMP/DMB
–
1.71 V to 3.6 V for Digital Core Section
–
2.4 V to 3.6 V for Analog Section
–
2.4 V to 3.6 V for Power Amplifier Section
The PCM3793/94 is a low-power stereo CODEC
Low Power Dissipation:
designed for portable digital audio applications. The
–
7 mW in Playback, 1.8 V/2.4 V, 48 kHz
device integrates stereo digital speaker amplifier,
–
13 mW in Record, 1.8 V/2.4 V, 48 kHz
headphone amplifier, line amplifier, line input, boost
amplifier,
microphone
bias,
programmable
gain
–
30
W in Power Down
control, analog mixing, sound effects, and automatic
Sampling Frequency: 5 kHz to 50 kHz
level control (ALC). It is available in a small-footprint,
Automatic Level Control for Recording
5-mm
× 5-mm QFN package. The PCM3793/94
accepts right-justified, left-justified, I2S, and DSP
Operation From a Single Clock Input Without
formats, providing easy interfacing to audio DSP,
PLL
decoder, and encoder chips. Sampling rates up to 50
System Clock:
kHz
are
supported.
The
user-programmable
–
Common-Audio Clock (256 fS/384 fS), 12/24,
functions are accessible through a two- or three-wire
13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
serial control port.
Headphone Plug Insert Detection
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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PCM-380 制造商:Panduit Corp 功能描述:
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