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| 型號(hào)： | AD7621ACPZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT 2MSPS DIFF 48LFCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 2M |
| 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）： | 86mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 48-LFCSP-VQ（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 1 個(gè)差分，雙極 |
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16-Bit, 2 LSB INL, 3 MSPS PulSAR ADC
AD7621
Rev. 0
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 that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
FEATURES
Throughput
3 MSPS (wideband warp and warp mode)
2 MSPS (normal mode)
1.25 MSPS (impulse mode)
2.048 V internal reference
Differential input range: ±VREF (VREF up to 2.5 V)
INL: ±2 LSB maximum, ±1 LSB typical
16-bit resolution with no missing codes
SINAD: 89 dB typical @ 100 kHz
THD: 101 dB typical @ 100 kHz
No pipeline delay (SAR architecture)
Parallel (16- or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface
SPI-/QSPI-/MICROWIRE-/DSP-compatible
2.5 V single-supply operation
Power dissipation: 65 mW typical @ 3 MSPS
48-lead LQFP and 48-lead LFCSP_VQ packages
Speed upgrade of the AD7677
APPLICATIONS
Medical instruments
High speed data acquisition
Digital signal processing
Communications
Instrumentation
Spectrum analysis
ATE
FUNCTIONAL BLOCK DIAGRAM
04565-
001
16
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
CLOCK
AD7621
DGND
DVDD
AVDD
AGND
REF REFGND
IN+
IN–
PD
RESET
CNVST
PDBUF
REFBUFIN
WARP IMPULSE
PDREF
REF
TEMP
D[15:0]
BUSY
RD
CS
OB/2C
OGND
OVDD
BYTESWAP
SER/PAR
REF AMP
SERIAL
PORT
PARALLEL
INTERFACE
SWITCHED
CAP DAC
Figure 1.
Table 1. PulSAR Selection
Type/kSPS
100 to 250
500 to 570
800 to
1000
>1000
Pseudo
Differential
True Bipolar
True
Differential
18-Bit
Multichannel/
Simultaneous
GENERAL DESCRIPTION
The AD7621 is a 16-bit, 3 MSPS, charge redistribution SAR,
fully differential analog-to-digital converter (ADC) that
operates from a single 2.5 V power supply. It contains a high
speed 16-bit sampling ADC, an internal conversion clock, an
internal reference (and buffer), error correction circuits, and
both serial and parallel system interface ports. It features two
very high sampling rate modes (wideband warp and warp), a
fast mode (normal) for asynchronous rate applications, and a
reduced power mode (impulse) for low power applications
where the power is scaled with the throughput. Operation is
specified from 40°C to +85°C.
PRODUCT HIGHLIGHTS
1. Fast Throughput.
The AD7621 is a 3 MSPS, charge redistribution,
16-bit SAR ADC.
2. Superior Linearity.
The AD7621 has no missing 16-bit code.
3. Internal Reference.
The AD7621 has a 2.048 V internal reference with a
typical drift of ±7 ppm/°C.
4. Single-Supply Operation.
The AD7621 operates from a 2.5 V single supply and
typically dissipates 65 mW. In impulse mode, its power
e throughput.
5.
ace
arrangement compatible with 2.5 V, 3.3 V, or 5 V logic.
dissipation decreases with th
Serial or Parallel Interface.
Versatile parallel (16- or 8-bit bus) or 2-wire serial interf
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7621ACPZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
| AD7621ACPZRL | 功能描述:IC ADC 16BIT 2MSPS DIFF 48LFCSP 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(biāo)準(zhǔn)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(gè)單端，雙極 |
| AD7621ACPZRL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 2 LSB INL, 3 MSPS PulSAR?? ADC |
| AD7621AST | 制造商:Analog Devices 功能描述:ADC Single SAR 3Msps 16-bit Parallel/Serial 48-Pin LQFP 制造商:Analog Devices 功能描述:IC 16-BIT ADC |
| AD7621ASTRL | 制造商:Analog Devices 功能描述:ADC Single SAR 3Msps 16-bit Parallel/Serial 48-Pin LQFP T/R |
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