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參數(shù)資料
| 型號： | ADS1602IPFBRG4 |
| 英文描述： | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
| 中文描述： | 16位2.5MSPS模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大小： | 397K |
| 代理商： | ADS1602IPFBRG4 |
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FEATURES
High Speed:
Data Rate: 2.5MSPS
Bandwidth: 1.23MHz
Outstanding Performance:
SNR: 91dB at f
IN
= 100kHz, 1dBFS
THD: 101dB at f
IN
= 100kHz, 6dBFS
SFDR: 103dB at f
IN
= 100kHz, 6dBFS
Ease-of-Use:
High-Speed 3-Wire Serial Interface
Directly Connects to TMS320 DSPs
On-Chip Digital Filter Simplifies Anti-Alias
Requirements
Simple Pin-Driven Control—No On-Chip
Registers to Program
Selectable On-Chip Voltage Reference
Simultaneous Sampling with Multiple
ADS1602s
Low Power:
530mW at 2.5MSPS
Power-Down Mode
APPLICATIONS
Sonar
Vibration Analysis
Data Acquisition
FSO
Reference and Bias Circuits
Serial
Interface
Linear Phase
FIR Digital Filter
Σ
Modulator
VREFP VREFN
RBIAS
VMID
VCAP
AVDD
DVDD
IOVDD
DGND
AGND
AINP
AINN
FSO
SCLK
DOUT
SCLK
SYNC
CLK
DOUT
OTR
PD
REFEN
ADS1602
DESCRIPTION
The
ADS1602
delta-sigma
manufactured on an advanced CMOS process. The
ADS1602 oversampling topology reduces clock jitter
sensitivity during the sampling of high-frequency, large
amplitude signals by a factor of four over that achieved by
Nyquist-rate ADCs. Consequently, signal-to-noise ratio
(SNR) is particularly improved. Total harmonic distortion
(THD) is 101dB, and the spurious-free dynamic range
(SFDR) is 103dB.
Optimized for power and performance, the ADS1602
dissipates only 530mW while providing a full-scale
differential input range of
±
3V. Having such a wide input
range makes out-of-range signals unlikely. The OTR pin
indicates if an analog input out-of-range condition does
occur. The differential input signal is measured against the
differential reference, which can be generated internally or
supplied externally on the ADS1602.
The ADS1602 uses an inherently stable advanced
modulator with an on-chip decimation filter. The filter stop
band extends to 38.6MHz, which greatly simplifies the
anti-aliasing circuitry. The modulator samples the input
signal up to 40MSPS, depending on f
CLK
, while the 16x
decimation filter uses a series of four half-band FIR filter
stages to provide 75dB of stop band attenuation and
0.001dB of passband ripple.
Output data is provided over a simple 3-wire serial
interface at rates up to 2.5MSPS, with a 3dB bandwidth
of 1.23MHz. The output data or its complementary format
directly connects to DSPs such as TI’s TMS320 family,
FPGAs, or ASICs. A dedicated synchronization pin
enables simultaneous sampling with multiple ADS1602s
in multi-channel systems. Power dissipation is set by an
external resistor that allows a reduction in dissipation
when operating at slower speeds. All of the ADS1602
features are controlled by dedicated I/O pins, which
simplify operation by eliminating the need for on-chip
registers.
The high performing, easy-to-use ADS1602 is especially
suitable for demanding measurement applications in
sonar, vibration analysis, and data acquisition. The
ADS1602 is offered in a small, 7mm x 7mm TQFP-48
package and is specified from 40
°
C to +85
°
C.
is
a
high-speed,
high-precision,
converter
analog-to-digital
(ADC)
All other trademarks are the property of their respective owners.
ADS1602
SBAS341B DECEMBER 2004 REVISED APRIL 2005
16-Bit, 2.5MSPS
Analog-to-Digital Converter
!
!
www.ti.com
Copyright
20042005, 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1602IPFBT | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2.5MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1602IPFBTG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2.5MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1605 | 制造商:Analog Devices 功能描述:A-D CONVETER - Bulk |
| ADS1605EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1605 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
| ADS1605IPAPR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-bit 5 MSPS Delta-Sigma RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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