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AD7916 Dataheets PDF



Part Number AD7916
Manufacturers Analog Devices
Logo Analog Devices
Description 1 MSPS/500 kSPS Differential PulSAR ADCs
Datasheet AD7916 DatasheetAD7916 Datasheet (PDF)

Data Sheet 16-Bit, 1 MSPS/500 kSPS Differential PulSAR ADCs AD7915/AD7916 FEATURES High performance True differential analog input range: ±VREF 0 V to VREF with VREF between 2.5 V and 5 V Throughput: 1 MSPS/500 kSPS options Zero latency architecture 16-bit resolution with no missing codes INL: ±0.4 LSB typical, ±1 LSB maximum Dynamic range: 95.5 dB, VREF = 5 V SNR: 94 dB at fIN = 1 kHz, VREF = 5 V THD: −118.5 dB at fIN = 1 kHz, VREF = 5 V SINAD: 93.5 dB at fIN = 1 kHz, VREF = 5 V Low power dis.

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Data Sheet 16-Bit, 1 MSPS/500 kSPS Differential PulSAR ADCs AD7915/AD7916 FEATURES High performance True differential analog input range: ±VREF 0 V to VREF with VREF between 2.5 V and 5 V Throughput: 1 MSPS/500 kSPS options Zero latency architecture 16-bit resolution with no missing codes INL: ±0.4 LSB typical, ±1 LSB maximum Dynamic range: 95.5 dB, VREF = 5 V SNR: 94 dB at fIN = 1 kHz, VREF = 5 V THD: −118.5 dB at fIN = 1 kHz, VREF = 5 V SINAD: 93.5 dB at fIN = 1 kHz, VREF = 5 V Low power dissipation Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface AD7915: 4 mW at 1 MSPS (VDD only) 7 mW at 1 MSPS (total) AD7916: 2 mW at 500 kSPS (VDD only) 3.7 mW at 500 kSPS (total) 70 μW at 10 kSPS Proprietary serial interface: SPI-/QSPI-/MICROWIRE™-/DSPcompatible1 10-lead packages: MSOP and 3 mm × 3 mm LFCSP Wide operating temperature range: −40°C to +125°C APPLICATIONS Automated test equipment Data acquisition systems Medical instruments Machine automation TYPICAL APPLICATIONS CIRCUIT 2.5V TO 5V 2.5V ±10V, ±5V, .. ADA4940-1 REF VDD VIO IN+ SDI/CS AD7915/ AD7916 IN– GND SCK SDO CNV 1.8V TO 5V 3- OR 4-WIRE INTERFACE (SPI, CS, DAISY CHAIN) 12583-001 Figure 1. GENERAL DESCRIPTION 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. The power consumption of the AD7915/AD7916 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. They are compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic using the separate VIO supply. The AD7915/AD7916 are available in a 10-lead MSOP or a 10-lead LFCSP with operation specified from −40°C to +125°C. 1 Protected by U.S. Patent 6,703,961. Table 1. MSOP, LFCSP 16-/18-/20-Bit Precision Successive Approximation Register (SAR) ADCs and SAR ADC-Based Devices Type ≤100 kSPS ≤250 kSPS ≤500 kSPS ≤1000 kSPS ≤2000 kSPS µModule® Data Acquisition Solutions Differential 20-Bit AD40221 AD40211 AD40201 18-Bit AD7989-11 AD76911 AD40111 AD40071 AD40031 AD76901 AD79821 AD7989-51 AD79841 16-Bit AD7684 AD76871 AD76881 AD40051 AD40011 AD76931 AD79151 AD79161 Pseudo-Differential 18-Bit AD40101 AD40061 AD40021 16-Bit AD7988-11 AD76851 AD40081 AD40041 AD40001 ADAQ7980 AD7680 AD7694 AD7988-51 AD79801 ADAQ7988 AD7683 AD76861 AD79831 1 Pin for pin compatible. Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no.


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