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| 型号： | AD7667ACPZRL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT UNIPOLAR 48LFCSP |
| 标准包装： | 2,500 |
| 系列： | PulSAR® |
| 位数： | 16 |
| 采样率（每秒）： | 1M |
| 数据接口： | 串行，并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 145mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 48-LFCSP-VQ（7x7） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个伪差分，单极 |
| 配用： | EVAL-AD7667CBZ-ND - BOARD EVALUATION FOR AD7667 |
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16-Bit 1 MSPS PulSAR
Unipolar ADC with Reference
AD7667
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: 781.326.8703
2004 Analog Devices, Inc. All rights reserved.
FEATURES
2.5 V internal reference: typical drift 3 ppm/°C
Guaranteed max drift 15 ppm/°C
Throughput:
1 MSPS (Warp mode)
800 kSPS (Normal mode)
666 kSPS (Impulse mode)
INL: ±2.0 LSB max (±0.0038% of full scale)
16-bit resolution with no missing codes
S/(N+D): 88 dB min @ 20 kHz
THD: –96 dB max @ 20 kHz
Analog input voltage range: 0 V to 2.5 V
No pipeline delay
Parallel and serial 5 V/3 V interface
SPI
/QSPITM/MICROWIRETM/DSP compatible
Single 5 V supply operation
Power dissipation
87 mW typ @ 666 kSPS, 130 W @ 1 kSPS without REF
133 mW typ @1 MSPS with REF
48-lead LQFP and 48-lead LFCSP packages
Pin-to-pin compatible with AD7671, AD7677
APPLICATIONS
Data acquisition
Medical instruments
Digital signal processing
Battery-powered systems
Process control
GENERAL DESCRIPTION
The AD7667 is a 16-bit, 1 MSPS, charge redistribution SAR
analog-to-digital converter that operates from a single 5 V
power supply. The part contains a high speed 16-bit sampling
ADC, an internal conversion clock, internal reference, error
correction circuits, and both serial and parallel system inter-
face ports. It features a very high sampling rate mode (Warp), a
fast mode (Normal) for asynchronous applications, and a
reduced power mode (Impulse) for low power applications
where power is scaled with the throughput. The AD7667 is
hardware factory-calibrated and comprehensively tested to
ensure ac parameters such as signal-to-noise ratio (SNR) and
total harmonic distortion (THD) in addition to the more
traditional dc parameters of gain, offset, and linearity. Operation
is specified from –40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
03035-
0-
001
SWITCHED
CAP DAC
16
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
CLOCK
AD7667
DATA[15:0]
BUSY
RD
CS
SER/PAR
OB/2C
OGND
OVDD
DGND
DVDD
AVDD
AGND
REF REFGND
IN
INGND
PD
RESET
SERIAL
PORT
PARALLEL
INTERFACE
CNVST
WARP
IMPULSE
REF
REFBUFIN
PDBUF
PDREF
BYTESWAP
Figure 1.
Table 1. PulSAR Selection
Type/kSPS
100–250
500–570
800–
1000
Pseudo-
Differential
True Bipolar
True
Differential
18-Bit
Multichannel/
Simultaneous
PRODUCT HIGHLIGHTS
1.
Fast Throughput.
The AD7667 is a 1 MSPS, charge redistribution, 16-bit SAR
ADC with internal error correction circuitry.
2.
Superior INL.
The AD7667 has a maximum integral nonlinearity of
2.0 LSBs with no missing 16-bit codes.
3.
Internal Reference.
The AD7667 has an internal reference with a typical
temperature drift of 3 ppm/°C.
4.
Single-Supply Operation.
The AD7667 operates from a single 5 V supply. In Impulse
mode, its power dissipation decreases with throughput.
5.
Serial or Parallel Interface.
Versatile parallel or 2-wire serial interface arrangement is
compatible with both 3 V and 5 V logic.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7667AST | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:1MSPS, 16-BIT ADC INT REF, 2.5LSB - Tape and Reel 制造商:Analog Devices 功能描述:16BIT ADC INT REF 7667 LQFP48 |
| AD7667ASTRL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LQFP T/R |
| AD7667ASTZ | 功能描述:IC ADC 16BIT UNIPOLAR 48-LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7667ASTZ | 制造商:Analog Devices 功能描述:16BIT ADC INT REF 7667 LQFP48 |
| AD7667ASTZRL | 功能描述:IC ADC 16BIT UNIPOLAR 48LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
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