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AD4130-8 32 μA, Ultra-Low Power, 24-Bit Sigma-Delta ADC
Analog Devices' AD4130-8 is a 32 μA, ultra-low power, 24-bit sigma-delta ADC with integrated PGA and FIFO
ADI's AD4130-8 is an ultra-low power, high precision measurement solution for low bandwidth battery-operated applications. The fully integrated AFE includes a multiplexer for up to 16 single-ended or eight differential inputs, programmable gain amplifier (PGA), 24-bit sigma-delta ADC, and an on-chip reference and oscillator. It also features selectable filter options, smart sequencer, sensor biasing and excitation options, diagnostics, and added features to improve the battery-operated lifetime (more than 5 years on a coin cell) and automated duty cycling.
The EVAL-AD4130-8WARDZ is an evaluation board that allows the user to evaluate the features of the AD4130-8. The user PC software executable controls the AD4130-8 over the USB through the EVAL-SDP-CK1Z system demonstration platform (SDP) board.
- Ultra-low current consumption (typical)
- 32 μA continuous conversion mode (gain = 128)
- 5 μA: Duty cycling mode (ratio = 1/16)
- 0.5 μA: standby mode
- 0.1 μA: power-down mode
- Built-in features for system-level power savings
- Current saving duty cycle ratio: 1/4 or 1/16
- Smart sequencer and per channel configuration minimize host processor load
- Deep embedded FIFO minimizes host processor load (depth of 256 samples)
- Autonomous FIFO interrupt functionality, threshold detection
- Single supply as low as 1.71 V increasing battery length
- RMS noise: 25 nVRMS at 1.17 SPS (gain = 128) – 48 nV/√Hz
- Up to 22 noise-free bits (gain = 1)
- Output data rate: 1.17 SPS to 2.4 kSPS
- Operates from 1.71 V to 3.6 V single supply or ±1.8 V split supplies
- Adaptable sensor interfacing functionality
- Matched programmable excitation currents for RTDs
- On-chip bias voltage generator for thermocouples
- Low-side power switch for bridge transducers
- Sensor open wire detection
- Crosspoint multiplexed inputs
- 8 differential/16 pseudo differential inputs
- Internal temperature sensor and oscillator
- Self and system calibration
- Flexible filter options
- Simultaneous 50 Hz/60 Hz rejection (on selected filter options)
- General-purpose outputs
- Diagnostic functionality
- 5 MHz SPI (3-wire or 4-wire)
- Available in 35-ball, 2.74 mm × 3.6 mm WLCSP
- Temperature range: -40°C to +105°C
- Band gap reference with 15 ppm/°C maximum drift
- PGA with rail-to-rail analog input
- Smart transmitters
- Wireless battery and harvester-powered sensor nodes
- Portable instrumentation
- Temperature measurement: thermocouples, RTD, and thermistors
- Pressure measurement: bridge transducers
- Healthcare and wearables
ADC Converter
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | AD4130-8BCBZ-RL7 | ULTRA-LOW POWER, SYSTEM 24 BIT A | 848 - Immediate | $123.74 | View Details |
Evaluation Boards
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
|  | EVAL-SDP-CK1Z | SDP-K1 CONTROLLER BOARD | 277 - Immediate | $1,445.05 | View Details |
|  | EVAL-AD4130-8WARDZ | EVAL BOARD FOR AD4130-8 | 25 - Immediate | $523.12 | View Details |
Hong Kong, China