- 您现在的位置：买卖IC网 > PDF目录1983 > AD7767BRUZ-RL7 (Analog Devices Inc)ADC 24BIT 15MW 128KSPS 16TSSOP PDF资料下载
参数资料
| 型号： | AD7767BRUZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | ADC 24BIT 15MW 128KSPS 16TSSOP |
| 标准包装： | 1,000 |
| 位数： | 24 |
| 采样率（每秒）： | 128k |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 18mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个差分，单极 |
| 配用： | EVAL-AD7767EDZ-ND - BOARD EVAL AD7767 128KSPS 108DB EVAL-AD7767-1EDZ-ND - BOARD EVAL AD7767-1 64KSPS 111DB |
24-Bit, 8.5 mW, 109 dB,
128 kSPS/64 kSPS/32 kSPS ADCs
AD7767
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2007–2010 Analog Devices, Inc. All rights reserved.
FEATURES
Oversampled successive approximation (SAR) architecture
High performance ac and dc accuracy, low power
115.5 dB dynamic range, 32 kSPS (AD7767-2)
112.5 dB dynamic range, 64 kSPS (AD7767-1)
109.5 dB dynamic range, 128 kSPS (AD7767)
118 dB THD
Exceptionally low power
8.5 mW, 32 kSPS (AD7767-2)
10.5 mW, 64 kSPS (AD7767-1)
15 mW, 128 kSPS (AD7767)
High dc accuracy
24 bits, no missing codes (NMC)
INL: ±3 ppm (typical), ±7.6 ppm (maximum)
Low temperature drift
Zero error drift: 15 nV/°C
Gain error drift: 0.4 ppm/°C
On-chip low-pass FIR filter
Linear phase response
Pass-band ripple: ±0.005 dB
Stop-band attenuation: 100 dB
2.5 V supply with 1.8 V/2.5 V/3 V/3.6 V logic interface options
Flexible interfacing options
Synchronization of multiple devices
Daisy-chain capability
Power-down function
Temperature range: 40°C to +105°C
APPLICATIONS
Low power PCI/USB data acquisition systems
Low power wireless acquisition systems
Vibration analysis
Instrumentation
High precision medical acquisition
FUNCTIONAL BLOCK DIAGRAM
VREF+
VIN+
VIN–
REFGND
AVDD AGND MCLK
DVDD VDRIVE DGND
SUCCESSIVE
APPROXIMATION
ADC
DIGITAL
FIR FILTER
SERIAL INTERFACE
AND
CONTROL LOGIC
SCLK DRDY SDO
SDI
AD7767/
AD7767-1/
AD7767-2
CS
SYNC/PD
06
85
9-
00
1
Figure 1.
GENERAL DESCRIPTION
The AD7767/AD7767-1/AD7767-2 are high performance,
24-bit, oversampled SAR analog-to-digital converters (ADCs).
The AD7767/AD7767-1/AD7767-2 combine the benefits of a
large dynamic range and input bandwidth, consuming 15 mW,
10.5 mW, and 8.5 mW power, respectively, and are contained in
a 16-lead TSSOP package.
Ideal for ultralow power data acquisition (such as PCI- and
USB-based systems), the AD7767/AD7767-1/AD7767-2
provide 24-bit resolution. The combination of exceptional SNR,
wide dynamic range, and outstanding dc accuracy make the
AD7767/AD7767-1/AD7767-2 ideally suited for measuring
small signal changes over a wide dynamic range. This is
particularly suitable for applications where small changes on the
input are measured on larger ac or dc signals. In such an
application, the AD7767/AD7767-1/AD7767-2 accurately
gather both ac and dc information.
The AD7767/AD7767-1/AD7767-2 include an on-board digital
filter (complete with linear phase response) that acts to elimi-
nate out-of-band noise by filtering the oversampled input
voltage. The oversampled architecture also reduces front-end
antialias requirements. Other features of the AD7767 include a
SYNC/PD (synchronization/power-down) pin, allowing the
synchronization of multiple AD7767 devices. The addition of
an SDI pin provides the option of daisy chaining multiple
AD7767 devices.
The AD7767/AD7767-1/AD7767-2 operate from a 2.5 V supply
using a 5 V reference. The devices operate from 40°C to +105°C.
RELATED DEVICES
Table 1. 24-Bit ADCs
Part No.
Description
amp and reference buffer, parallel, variable decimation
625 kSPS, 109 dB dynamic range,1 on-board differential
amp and reference buffer, parallel/serial, variable
decimation
312 kSPS, 109 dB dynamic range,1 on-board differential
amp and reference buffer, variable decimation (pin)
156 kSPS, 112 dB dynamic range,1 on-board differential
amp and reference buffer, variable decimation (pin)
128 kSPS, 109.5 dB,1 15 mW, 16-bit INL, serial interface
64 kSPS 112.5 dB,110.5 mW, 16-bit INL, serial interface
32 kSPS, 115.5 dB,1 8.5 mW, 16-bit INL, serial interface
1 Dynamic range at maximum output data rate.
相关PDF资料 |
PDF描述 |
|---|---|
| AD7776ARZ | IC ADC 10BIT 1CHAN HS 24SOIC |
| AD7780BRZ-REEL | IC ADC 24BIT 1CH LP SD 14SOIC |
| AD7781CRZ | IC ADC 20BIT 1CH LP SD 14SOIC |
| AD7782BRUZ | IC ADC 24BIT 2CHAN 16TSSOP |
| AD7783BRU | IC ADC 24BIT 2CH R-R 16-TSSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7768-4BSTZ | 功能描述:24 Bit Analog to Digital Converter 4 Input 4 Sigma-Delta 64-LQFP (10x10) 制造商:analog devices inc. 系列:- 包装:托盘 零件状态:有效 位数:24 采样率（每秒）:256k 输入数:4 输入类型:差分 数据接口:SPI 配置:ADC 无线电 - S/H:ADC:- A/D 转换器数:4 架构:三角积分 参考类型:外部 电压 - 电源，模拟:2 V ~ 5.5 V 电压 - 电源，数字:- 特性:同步采样 工作温度:-40°C ~ 150°C 封装/外壳:64-LQFP 供应商器件封装:64-LQFP（10x10） 标准包装:1 |
| AD7768-4BSTZ-RL | 功能描述:24 Bit Analog to Digital Converter 4 Input 4 Sigma-Delta 64-LQFP (10x10) 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:有效 位数:24 采样率（每秒）:256k 输入数:4 输入类型:差分 数据接口:SPI 配置:ADC 无线电 - S/H:ADC:- A/D 转换器数:4 架构:三角积分 参考类型:外部 电压 - 电源，模拟:2 V ~ 5.5 V 电压 - 电源，数字:- 特性:同步采样 工作温度:-40°C ~ 150°C 封装/外壳:64-LQFP 供应商器件封装:64-LQFP（10x10） 标准包装:1,500 |
| AD7768-4BSTZ-RL7 | 功能描述:24 Bit Analog to Digital Converter 4 Input 4 Sigma-Delta 64-LQFP (10x10) 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:有效 位数:24 采样率（每秒）:256k 输入数:4 输入类型:差分 数据接口:SPI 配置:ADC 无线电 - S/H:ADC:- A/D 转换器数:4 架构:三角积分 参考类型:外部 电压 - 电源，模拟:2 V ~ 5.5 V 电压 - 电源，数字:- 特性:同步采样 工作温度:-40°C ~ 150°C 封装/外壳:64-LQFP 供应商器件封装:64-LQFP（10x10） 标准包装:500 |
| AD7768BSTZ | 功能描述:24 Bit Analog to Digital Converter 8 Input 8 Sigma-Delta 64-LQFP (10x10) 制造商:analog devices inc. 系列:- 包装:托盘 零件状态:有效 位数:24 采样率（每秒）:256k 输入数:8 输入类型:差分，个伪差分 数据接口:SPI，DSP 配置:ADC 无线电 - S/H:ADC:- A/D 转换器数:8 架构:三角积分 参考类型:外部 电压 - 电源，模拟:2 V ~ 5.5 V 电压 - 电源，数字:2 V ~ 3.6 V 特性:同步采样 工作温度:-40°C ~ 105°C 封装/外壳:64-LQFP 供应商器件封装:64-LQFP（10x10） 标准包装:1 |
| AD7768BSTZ-RL | 功能描述:24 Bit Analog to Digital Converter 8 Input 8 Sigma-Delta 64-LQFP (10x10) 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:有效 位数:24 采样率（每秒）:256k 输入数:8 输入类型:差分，个伪差分 数据接口:SPI，DSP 配置:ADC 无线电 - S/H:ADC:- A/D 转换器数:8 架构:三角积分 参考类型:外部 电压 - 电源，模拟:2 V ~ 5.5 V 电压 - 电源，数字:2 V ~ 3.6 V 特性:同步采样 工作温度:-40°C ~ 105°C 封装/外壳:64-LQFP 供应商器件封装:64-LQFP（10x10） 标准包装:1,500 |
发布紧急采购，3分钟左右您将得到回复。