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參數(shù)資料
| 型號： | AD7621ASTRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, 1 LSB INL, 3 MSPS PulSAR ADC |
| 中文描述： | 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48 |
| 封裝： | MO-026-BBC, LQFP-48 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 265K |
| 代理商： | AD7621ASTRL |
REV. Pr D
Preliminary Technical Data
PRELIMINARY TECHNICAL DATA
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD7621
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
Analog Devices, Inc., 200316-Bit, 1 LSB INL, 3 MSPS PulSAR
TM
ADC
FUNCTIONAL BLOCK DIAGRAM
SWITCHED
CAP DAC
16
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
CLOCK
AD7621
D[15:0]
BUSY
RD
CS
OB/2C
OGND
OVDD
DGND
DVDD
AVDD
AGND
REF REFGND
IN+
IN-
PD
RESET
SERIAL
PORT
PARALLEL
INTERFACE
CNVST
PDBUF
REFBUFIN
WARP IMPULSE
BYTESWAP
PDREF
REF
TEMP
SER/PAR
FEATURES
16 Bits Resolution with No Missing Codes
No Pipeline Delay ( SAR architecture )
Differential Input Range: V
REF
(V
REF
up to 2.5V)
Throughput:
3 MSPS (Wideband Warp and Warp Mode)
2 MSPS (Normal Mode)
1.25 MSPS (Impulse Mode)
INL: 1 LSB Max ( 0.0015% of Full-Scale)
S/(N+D): 90 dB Typ @ 100 kHz ( V
REF
= 2.5V )
THD: –100 dB Typ @ 100 kHz
Parallel (16 or 8bits bus) and Serial 5V/3.3V/2.5V Interface
SPI/QSPI/MICROWIRE/DSP Compatible
On-board Low Drift Reference with Buffer and Temperature
sensor
Single 2.5 V Supply Operation
Power Dissipation: 100 mW Typ @ 3 MSPS
Power-Down Mode
Package: 48-Lead Quad Flat Pack (LQFP)
48-Lead Frame Chip Scale Package (LFCSP)
Speed Upgrade of the AD7677
APPLICATIONS
Medical Instruments
High Speed Data Acquisition
Communications
Instrumentation
Spectrum Analysis
ATE
GENERAL DESCRIPTION
The AD7621 is a 16-bit, 3 MSPS, charge redistribution
SAR, fully differential analog-to-digital converter that
operates from a single 2.5 V power supply. The part
contains a high-speed 16-bit sampling ADC, an internal
conversion clock, an internal reference buffer, error
correction circuits, and both serial and parallel system
interface ports.
It features a very high sampling rate mode (Wideband
Warp) for undersampling applications and, for asyn-
chronous conversion rate applications, a fast mode
(Normal) and, for low power applications, a reduced
power mode (Impulse) where the power is scaled with
the throughput.
It is available in a 48-lead LQFP or a 48-lead LFCSP
with operation specified from –40°C to +85°C.
PRODUCT HIGHLIGHTS
1. High resolution and Fast Throughput
The AD7621 is a 3 MSPS, charge redistribution,
16-bit SAR ADC ( no latency ).
2. Excellent accuracy
The AD7621 has a maximum integral nonlinearity of 1
LSB with no missing 16-bit code.
3. Single-Supply Operation
The AD7621 operates from a single 2.5 V supply and
typically dissipates only 100 mW. In impulse mode,
its power dissipation decreases with the throughput and
it features a power-down mode.
5. Serial or Parallel Interface
Versatile parallel (16 or 8 bits bus) or 2-wire serial
interface arrangement compatible with either 2.5V,
3.3V or 5 V logic.
Pseudo
Differential
AD7660
/
61 AD7664
/
66
AD7651
AD7650
/
52
AD7653
AD7667
True Bipolar
AD7663
AD7665
AD7671
True
Differential
AD7675
AD7676
AD7677
AD7621
18 Bit
AD7678
AD7679
AD7674
Multichannel
/
Simultaneous
AD7654
AD7655
Type / kSPS 100 - 250
500 - 570
800 - 1000 >1000
PulSAR Selection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7621ASTZ | 功能描述:IC ADC 16BIT 2MSPS DIFF 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標準包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7621ASTZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
| AD7621ASTZRL | 功能描述:IC ADC 16BIT 2MSPS DIFF 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標準包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
| AD7621ASTZRL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
| ad7621xst-u2 | 制造商:Analog Devices 功能描述:16-BIT, 1 LSB INL, 3 MSPS PULSAR- ADC - Bulk |
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