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參數(shù)資料
| 型號： | TLC320AD55C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Sigma-Delta Analog Interface Circuit(Sigma-Delta 模擬接口) |
| 中文描述： | sigma - delta模擬接口電路（Σ-Δ模擬接口） |
| 文件頁數(shù)： | 7/41頁 |
| 文件大?。?/td> | 256K |
| 代理商： | TLC320AD55C |
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1–1
1 Introduction
The TLC320AD55C provides high resolution low-speed signal conversion from digital-to-analog (D/A) and
from analog-to-digital (A/D) using oversampling sigma-delta technology. This device consists of two, serial,
synchronous conversion paths (one for each data direction) and includes an interpolation filter before the
digital-to-analog converter (DAC) and a decimation filter after the analog-to-digital converter (ADC) (see
Figure 1–1). Other overhead functions provide analog filtering and on-chip timing and control. The
sigma-delta architecture produces high resolution, analog-to-digital and digital-to-analog conversion at low
system speeds and low cost.
The options and the circuit configurations of this device can be programmed through the serial interface.
The options include reset, power-down, communications protocol, serial clock rate, signal sampling rate,
and test mode as outlined in Appendix A. The circuit configurations could include a selection of input ports
to the ADC, analog loopback, digital loopback, decimator sinc filter output, decimator finite-duration
impulse-response (FIR) filter output, interpolator sinc filter output, and interpolator FIR filter output. The
TLC320AD55C is characterized for operation from 0
°
C to 70
°
C.
1.1
Features
Single 5-V power supply
Power dissipation (P
D
) of 150 mW maximum in the operating mode
Power-down mode to 1 mW
General-purpose 16-bit signal processing
2s-complement format
Serial port interface
Minimum 80-dB harmonic distortion plus noise
Differential architecture
Internal reference voltage (V
ref
)
Internal 64
×
oversampling
Analog output with programmable gain of 1, 1/2, 1/4, and 0 (squelch)
Phone-mode output control
Variable conversion rate selected as MCLK/(Fk
×
256), Fk = 1,2,3,...,256
System test mode:
–
Digital loopback test
–
Analog loopback test
相關PDF資料 |
PDF描述 |
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| TLC320AD56(中文) | Sigma-Delta Analog Interface Circuit(Sigma-Delta 模擬接口) |
| TLC320AD56C | Sigma-Delta Analog Interface Circuit |
| tlc320ad56c | Sigma-Delta Analog Interface Circuit(Sigma-Delta 模擬接口電路) |
| TLC320AD57(中文) | Sigma-Delta Analog Interface Circuit(Sigma-Delta立體聲音頻ADC) |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TLC320AD56 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Sigma-Delta Analog Interface Circuit |
| TLC320AD56C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Sigma-Delta Analog Interface Circuit |
| TLC320AD56CFN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TLC320AD56CPT | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TLC320AD57 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Sigma-Delta Stereo Analog-to-Digital Converter |
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