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AD7980BCPZ-RL
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Product Detailed Parameters
- Description：IC ADC 16BIT SAR 10LFCSP
- Series：PulSAR®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：16
- Sampling Rate (Per Second)：1M
- Number of Inputs：1
- Input Type：Pseudo-Differential
- Data Interface：SPI, DSP
- Configuration：S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：SAR
- Reference Type：External
- Voltage - Supply, Analog：2.375V ~ 2.625V
- Voltage - Supply, Digital：2.375V ~ 2.625V
- Features：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：10-VFDFN Exposed Pad, CSP
- Supplier Device Package：10-LFCSP-WD (3x3)
- Mounting Type：Surface Mount
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Overview
The AD7980BCPZ-RL is a 16-bit, 1 MSPS PulSAR analog-to-digital converter (ADC) from Analog Devices Inc. It features a successive approximation architecture with a pseudo-differential input range of 0 V to VREF. The device operates on a single 2.5 V supply with logic compatibility for 1.8 V, 2.5 V, 3 V, or 5 V via the VIO pin. Key electrical parameters include an INL of ±1.25 LSB maximum, SNR of 91.5 dB at 10 kHz input frequency, and total power dissipation of 7 mW at 1 MSPS throughput. It utilizes a SPI-compatible serial interface supporting daisy-chaining and is housed in a 10-lead LFCSP package.
Feature Summary
- Zero latency SAR architecture providing immediate data availability after conversion completion
- Versatile serial interface compatible with SPI, QSPI, MICROWIRE, and DSP protocols
- Daisy-chain capability allowing multiple ADCs to connect to a single bus via SDI input
- Low power consumption scaling linearly with throughput rate
Applications
- Automated test equipment
- Data acquisition systems
- Medical instruments
- Machine automation
Procurement Notes
Verify the specific grade (A or B) and packaging suffix against the manufacturer's current ordering guide. Confirm that the LFCSP-10 footprint matches the design layout requirements. Ensure the external reference voltage falls within the specified 2.4 V to 5.1 V range for optimal performance.
Selection Notes
Select this component when a 16-bit resolution and 1 MSPS sampling rate are required in a compact surface-mount package. Consider the A-grade specifications for tighter linearity errors if higher precision is needed compared to the B-grade. Ensure the system can accommodate the separate VDD and VIO power supplies for flexible logic interfacing.
Part Context
The AD7980 belongs to the PulSAR family of high-speed, low-power ADCs from Analog Devices. It is part of a broader portfolio including 18-bit and 20-bit variants like the AD7989 and AD4022. The BC part number indicates the B-grade temperature range and LFCSP packaging variant within the AD7980 series.
Replacement Considerations
AD7980BRMZRL7 is a pin-compatible alternative in MSOP packaging. For higher resolution needs, consider the AD7989 (18-bit). For lower speed applications, the AD7680 (16-bit, 200 kSPS) may be suitable.
