ADS7885 2.7V-5.5V 8 位 3MSPS 串行 ADC
|
ADS7885 |
| Resolution(Bits) |
8 |
| Sample Rate (max) |
3MSPS |
| Architecture |
SAR |
| Power Consumption(Typ)(mW) |
15 |
| SINAD(dB) |
49.8 |
| SNR(dB) |
49.8 |
| SFDR(dB) |
74 |
| DNL(Max)(+/-LSB) |
0.4 |
| INL(Max)(+/-LSB) |
0.4 |
| No Missing Codes(Bits) |
8 |
| ENOB(Bits) |
7.98 |
| No. of Supplies |
1 |
| Analog Voltage AV/DD(Min)(V) |
2.7 |
| Analog Voltage AV/DD(Max)(V) |
5.5 |
| Logic Voltage DV/DD(Min)(V) |
2.7 |
| Logic Voltage DV/DD(Max)(V) |
5.5 |
| Input Configuration Range |
VDD |
| Rating |
Catalog |
| Pin/Package |
6SOT-23 |
| # Input Channels |
1 |
ADS7885 说明
The ADS7884 is a 10-bit, 3-MSPS analog-to-digital converter (ADC), and the ADS7885 is a 8-bit, 3-MSPS ADC. The devices include a capacitor based SAR A/D converter with inherent sample and hold. The serial interface in each device is controlled by the CS and SCLK signals for glueless connections with microprocessors and DSPs. The input signal is sampled with the falling edge of CS, and SCLK is used for conversion and serial data output.
The devices operate from a wide supply range from 2.7 V to 5.5 V. The low power consumption of the devices make them suitable for battery-powered applications. The devices also include a power saving powerdown feature for when the devices are operated at lower conversion speeds.
ADS7885 特性
- 3-MHz Sample Rate Serial Device
- 10-Bit Resolution — ADS7884
- 8-Bit Resolution — ADS7885
- Zero Latency
- 48-MHz Serial Interface
- Supply Range: 2.7 V to 5.5 V
- Low Power Dissipation:
- 6.8 mW at 3-V VDD, 2.5 MSPS
- 15 mw at 5-V VDD, 3 MSPS
- ±0.3 LSB INL, ±0.3 LSB DNL — ADS7884
- ±0.15 LSB INL, ±0.1 LSB DNL — ADS7885
- 61.7 dB SINAD, -81 dB THD — ADS7884
- 49.8 dB SINAD, -68 dB THD — ADS7885
- Unipolar Input Range: 0 V to VDD
- Powerdown Current: 1 uA
- Wide Input Bandwidth: 30 MHz at 3 dB
- 6-Pin SOT23 Package
- APPLICATIONS
- Base Band Converters in Radio Communication
- Motor Current/Bus Voltage Sensors in Digital Drives
ADS7885 芯片订购指南
| 器件 |
状态 |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| ADS7885SDBVR |
ACTIVE |
0.95 | 1ku |
SOT-23 (DBV) | 6 |
3000 | LARGE T&R |
7885 |
| ADS7885SDBVT |
ACTIVE |
1.05 | 1ku |
SOT-23 (DBV) | 6 |
250 | SMALL T&R |
7885 |
ADS7885 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| ADS7885SDBVR |
Pb-Free (RoHS Exempt) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
ADS7885SDBVR |
| ADS7885SDBVT |
Pb-Free (RoHS Exempt) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
ADS7885SDBVT |
ADS7885 应用技术支持与电子电路设计开发资源下载
- ADS7885 数据资料 dataSheet 下载.PDF
- TI 德州仪器仪ADC 模数转换器产品选型与价格 . xls
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF
1305 KB)
- A
Spreadsheet for Calculating the Frequency Response of the ADS1250-54 (PDF
461 KB)
- A Spreadsheet for Calculating the Frequency Response of the
ADS1250-54
- Understanding the ADS1251, ADS1253, and ADS1254 Input
Circuitry (PDF 39 KB)
- Analog-to-Digital Converter Grounding Practices Affect System
Performance (PDF 56 KB)
- Principles of Data Acquisition and Conversion (PDF 50 KB)
- Interleaving Analog-to-Digital Converters (PDF 64 KB)
- What
Designers Should Know About Data Converter Drift (PDF 95 KB)
- Giving Delta-Sigma Converters a Gain Boost with a Front End
Analog Gain Stage (PDF 70 KB)
- Programming Tricks for Higher Conversion Speeds Utilizing Delta
Sigma Converters (PDF 105 KB)
ADS7885 工具与软件