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參數(shù)資料
| 型號： | ADS1625IPAPR |
| 元件分類： | ADC |
| 英文描述： | 18-BIT 1.25 MSPS ANALOG TO DIGITAL CONVERTER |
| 中文描述： | 18位125 MSPS的模數(shù)轉換器 |
| 文件頁數(shù)： | 1/31頁 |
| 文件大?。?/td> | 472K |
| 代理商： | ADS1625IPAPR |
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SBAS280C JUNE 2003 REVISED JUNE 2004
FEATURES
Data Rate: 1.25MSPS
Signal-to-Noise Ratio: 93dB
Total Harmonic Distortion: 101dB
Spurious-Free Dynamic Range: 103dB
Linear Phase with 615kHz Bandwidth
Passband Ripple:
±
0.0025dB
Adjustable FIFO Output Buffer (ADS1626 only)
Selectable On-Chip Reference
Directly Connects to TMS320C6000 DSPs
Adjustable Power Dissipation: 150 to 515mW
Power Down Mode
Supplies:Analog
Digital
Digital I/O +2.7V to +5.25V
+5V
+3V
APPLICATIONS
Scientific Instruments
Automated Test Equipment
Data Acquisition
Medical Imaging
Vibration Analysis
DESCRIPTION
The ADS1625 and ADS1626 are high-speed, high-precision,
delta-sigma analog-to-digital converters (ADCs) with 18-bit
resolution. The data rate is 1.25 mega samples per second
(MSPS), the bandwidth (3dB) is 615kHz, and passband
ripple is less than
±
0.0025dB (to
550kHz). Both devices offer
the same outstanding performance at these speeds with a
signal-to-noise ratio up to 93dB, total harmonic distortion
down to 101dB, and a spurious-free dynamic range up to
103dB. The ADS1626 includes an adjustable first-in, first-out
buffer (FIFO) for the output data.
The input signal is measured against a voltage reference that
can be generated on-chip or supplied externally. The digital
output data is provided over a simple parallel interface that
easily connects to digital signal processors (DSPs). An
out-of-range monitor reports when the input range has been
exceeded. The ADS1625/6 operate from a +5V analog
supply (AVDD) and +3V digital supply (DVDD). The digital
I/O supply (IOVDD) operates from +2.7 to +5.25V, enabling
the digital interface to support a range of logic families. The
analog power dissipation is set by an external resistor and
can be reduced when operating at slower speeds. A
power-down mode, activated by a digital I/O pin, shuts down
all circuitry. The ADS1625/6 are offered in a TQFP-64
package using TI PowerPAD
technology.
The ADS1625 and ADS1626, along with their 16-bit,
5MSPS counterparts, the ADS1605 and ADS1606, are
well-suited for the demanding measurement requirements
of scientific instrumentation, automated test equipment,
data acquisition, and medical imaging.
REFEN
RESET
Reference and Bias Circuits
I/O
Interface
Digital
Filter
Σ
Modulator
VREFP
VREFN
RBIAS
VMID
VCAP
AVDD DVDD IOVDD
DGND
AGND
AINP
AINN
PD
CLK
CS
RD
DRDY
OTR
DOUT[17:0]
FIFO_LEV[2:0]
ADS1626 Only
FIFO
ADS1625
ADS1626
PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.
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www.ti.com
Copyright
20032004, 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.
相關PDF資料 |
PDF描述 |
|---|---|
| ADS1625IPAPT | 18-BIT 1.25 MSPS ANALOG TO DIGITAL CONVERTER |
| ADS1625I | RES 100K OHM 1/18W 5% 0201 SMD |
| ADS1626 | CRCW0201 THICK FILM CHIP RESISTORS RoHS Compliant: No |
| ADS5231 | Dual, 12-Bit, 40MSPS, +3.3V Analog-to-Digital Converter |
| ADS5231IPAG | Dual, 12-Bit, 40MSPS, +3.3V Analog-to-Digital Converter |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1625IPAPRG4 | 功能描述:模數(shù)轉換器 - ADC 18-Bit 1.25MSPS 1-Ch Delta-Sigma Single RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1625IPAPT | 功能描述:模數(shù)轉換器 - ADC 18-Bit 1.25MSPS 1-Ch Delta-Sigma Single RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1625IPAPT | 制造商:Texas Instruments 功能描述:18BIT ADC 10MSPS DELTA S 64HTQFP 制造商:Texas Instruments 功能描述:18BIT ADC, 10MSPS, DELTA S, 64HTQFP |
| ADS1625IPAPTG4 | 功能描述:模數(shù)轉換器 - ADC 18-Bit 1.25MSPS 1-Ch Delta-Sigma Single RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1626EVM | 功能描述:數(shù)據(jù)轉換 IC 開發(fā)工具 ADS1626 Evaluation Module RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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