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參數(shù)資料
| 型號： | PCM1804DBR |
| 英文描述： | FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz STEREO A/D CONVERTER |
| 中文描述： | 全差分模擬輸入24位，192千赫立體聲A / D轉換器 |
| 文件頁數(shù)： | 1/31頁 |
| 文件大?。?/td> | 470K |
| 代理商： | PCM1804DBR |
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PCM1804
SLES022A – DECEMBER 2001
FULL DIFFERENTIAL ANALOG INPUT 24-BIT 192-kHz
STEREO A/D CONVERTER
1
www.ti.com
FEATURES
24-Bit Delta-Sigma Stereo A/D Converter
High Performance:
– Dynamic Range: 112 dB (Typically)
– SNR: 111 dB (Typically)
– THD+N: -102 dB (Typically)
High Performance Linear Phase antialias
Digital Filter:
– Pass-Band Ripple:
±
0.005 dB
– Stop-Band Attenuation: –100 dB
Fully Differential Analog Input:
±
2.5 V
Audio Interface: Master or Slave Mode
Selectable
Data Formats: Left Justified, I
2
S, Standard
24-Bit and DSD
Function:
– Peak Detection
– Low-Cut Filter (HPF): –3 dB at 1 Hz,
f
S
= 48 kHz
Sampling Rate up to 192 kHz
System Clock: 128 f
S
, 256 f
S
, 384 f
S
, 512 f
S
, or
768 f
S
Dual Power Supplies:
– 5 V for Analog
– 3.3 V for Digital
Power Dissipation: 225 mW
Small 28-Pin SSOP
DSD Output: 1 Bit, 64 f
S
Lead-Free Product
APPLICATIONS
AV Amp
MD Player
Digital VTR
Digital Mixer
Digital Recorder
DESCRIPTION
The PCM1804 is a high-performance single chip stereo
A/D converter with full differential analog voltage input.
The PCM1804 uses a precision delta-sigma modulator
and includes a linear phase antialias digital filter and
HPF (low-cut filter) that removes dc offset of the input
signal. The PCM1804 is suitable for a wide variety of
mid-to-high
grade
consumer
applications, where excellent performance and 5-V
analog supply and 3.3-V digital power supply operation
are required. The PCM1804 can achieve both PCM
audio and DSD format due to precision delta-sigma
modulator. The PCM1804 is fabricated on an advanced
CMOS process and is available in small 28-pin SSOP
package.
and
professional
PACKAGE/ORDERING INFORMATION
PRODUCT
PACKAGE
PACKAGE
DRAWING
NUMBER
OPERATING
TEMPERATURE RANGE
PACKAGE
MARKING
ORDERING NUMBER
TRANSPORT
MEDIA
PCM1804DB
28 Lead SSOP
28-Lead SSOP
28DB
–10
°
C to 70
°
C
PCM1804DB
PCM1804DB
PCM1804DBR
Tube
Tape and Reel
This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These
circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C,
Method 3015; however, it is advised that precautions be taken to avoid application of any voltage higher than maximum-rated
voltages to these high-impedance circuits. During storage or handling, the device leads should be shorted together or the device
should be placed in conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level,
preferably either VCC or ground. Specific guidelines for handling devices of this type are contained in the publication
Guidelines for
Handling Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies
available from Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2001, Texas Instruments Incorporated
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.
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