AD7915 16-Bit, 1 MSPS/500 kSPS PulSAR ADCs in MSOP/LFCSP

The AD7915/AD7916 are available in a 10-lead MSOP or a 10-lead LFCSP with operation specified from −40°C to +125°C. APPLICATIONS

The AD7915/AD7916 are 16-bit, successive approximation, analog-to-digital converters (ADCs) that operate from a single power supply, VDD. They contain a low power, high speed, 16-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, the AD7915/AD7916 sample the voltage difference between the IN+ and IN− pins. The voltages on these pins typically swing in opposite phases between 0 V and VREF. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD. Its power scales linearly with throughput.

The AD7915/AD7916 are serial peripheral interface (SPI) compatible, which features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus. It is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic, using the separate VIO supply.

Features and Benefits
  • Low power dissipation
    4 mW at 1 MSPS (VDD only)
    7 mW at 1 MSPS (total)
  • 16-bit resolution with no missing codes
  • Throughput: 1 MSPS
  • INL: ±0.4 LSB typical, 1 LSB maximum
  • SNR: 94 dB at 1 kHz,
    VREF = 5 V
  • SINAD: 93.5 dB at 1 kHz,
    VREF = 5 V
  • THD: −118.5 dB at 1 kHz
  • Dynamic range: 95.5 dB,
    VREF = 5 V
  • True differential analog input range: ±VREF
  • 0 V to VREF with VREF between 2.4 V and 5.1 V
  • No pipeline delay
  • Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface
  • Proprietary serial interface: SPI-/QSPI™-/MICROWIRE™-/DSPcompatible
  • Ability to daisy-chain multiple ADCs
  • 10-lead package: MSOP and 3 mm × 3 mm LFCSP
Analog to Digital Converters
IBIS Models
Data Sheets
Documentnote
AD7915/AD7916: 16-Bit, 1 MSPS/500 kSPS Differential PulSAR ADCs Data Sheet (Rev. 0)PDF 554.08 K
Application Notes
Documentnote
AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0)PDF 363 kB
AN-742: Frequency Domain Response of Switched-Capacitor ADCs (Rev. B)PDF 401 kB
AN-931: Understanding PulSAR ADC Support Circuitry (Rev. 0)PDF 299 kB
AN-1141: Powering a Dual Supply Precision ADC with Switching Regulators (Rev. 0)PDF 640 kB
AN-932: Power Supply Sequencing (Rev. 0)PDF 95 kB
AN-877: Interfacing to High Speed ADCs via SPI (Rev. A)PDF 1594 kB
User Guides
Documentnote
UG-340: Evaluation Board for the 10-Lead Family 14-/16-/18-Bit PulSAR ADCsPDF 4636 kB
Product Highlight
Documentnote
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
AD7915BCPZ-RL7 Production10 ld LFCSP (3x3mm)REEL 1500-40 to 125C012.5Y
AD7915BRMZ Production10 ld MSOPOTH 50-40 to 125C15.2512.5Y
AD7915BRMZ-RL7 Production10 ld MSOPREEL 1000-40 to 125C012.5Y
Evaluation Boards
Part NumberDescriptionPriceRoHS
EVAL-AD7915SDZEvaluation Board99Y
EVAL-AD7916SDZEvaluation Board99Y
EVAL-SDP-CB1ZEvaluation Controller Board SDP99Y
Reference Materials
AD7915/AD7916：16位、1 MSPS/500 kSPS、 差分PulSAR ADC (Rev. 0) ad7915
AD7915/AD7916: 16-Bit, 1 MSPS/500 kSPS Differential PulSAR ADCs Data Sheet (Rev. 0) ad7915
AD7915 IBIS Model ad7915
AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0) ad9220
AN-742: Frequency Domain Response of Switched-Capacitor ADCs (Rev. B) ad7476
AN-931: Understanding PulSAR ADC Support Circuitry (Rev. 0) ad7476
AN-1141: Powering a Dual Supply Precision ADC with Switching Regulators (Rev. 0) ad7610
AN-932: 电源时序控制 (Rev. 0) ad7628
AN-1141: 用开关调节器为双电源精密ADC供电 (Rev. 0) adp1610
AN-931: 了解PulSAR ADC支持电路 (Rev. 0) ad7476
AN-932: Power Supply Sequencing (Rev. 0) ad7660
AN-877: 通过SPI与高速ADC接口[中文版] (Rev. A) ad9271
AN-877: Interfacing to High Speed ADCs via SPI (Rev. A) ad7091r
AN-935: ADC变压器耦合前端设计[中文版] (Rev. 0) ad6655
UG-340: Evaluation Board for the 10-Lead Family 14-/16-/18-Bit PulSAR ADCs ad7685
MT-031: 实现数据转换器的接地并解开AGND和DGND的谜团 ad6672
MT-002: 奈奎斯特准则对数据采样系统设计有何意义 ad6672
MT-001: 揭开公式(SNR = 6.02N + 1.76dB)的神秘面纱 ad6672
SAR ADC & Driver Quick-Match Guide ad7476
Front-End Amplifier and RC Filter Design for a Precision SAR... ad7685
Exploring Different SAR ADC Analog Input Architectures ad7982
Low Power Precision Data Acquisition Signal Chain for Space Constrained... ad7982
MS-2210：高速ADC的电源设计 ad9861
MS-2022: 成功进行模数信号转换的七个步骤(为实现正确信号调理的噪声计算) ad7989-1
MS-2124：了解高速ADC的交流特性 ad7915
MS-1779：九项常被忽略的ADC技术规格 ad6672
Products 产品服务
Manufacturers 生产厂家
Sales 联系购买
©1993 - 2024 BDTIC