AD4130-8
AD4130-8 is 24-Bit Sigma-Delta ADC manufactured by Analog Devices.
EATURES
- Ultralow 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 minimizes 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 n V rms at 1.17 SPS (gain = 128)
- 48 n V/√Hz
- Up to 22 noise free bits (gain = 1)
- Output data rate: 1.17 SPS to 2.4 k SPS
- Operates from 1.71 V to 3.6 V single supply or ±1.8 V split supplies
- Band gap reference with 15 ppm/°C maximum drift
- PGA with rail-to-rail analog input
- Adaptable sensor interfacing functionality:
- Matched programmable excitation currents for RTDs
- On-chip bias voltage generator for thermocouples
FUNCTIONAL BLOCK DIAGRAM
- Low-side power switch for bridge transducers
- Sensor open wire detection
- 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
- Crosspoint multiplexed inputs
- 8 differential/16 pseudo differential inputs
- 5 MHz SPI (3-wire or 4-wire)
- Available in 35-ball, 2.74 mm × 3.6 mm WLCSP and 32-lead, 5 mm × 5 mm LFCSP
- Temperature range:
- 40°C to +105°C (WLCSP),
- 40°C to +125°C (LFCSP)
- AD4130-8 LFCSP pin patible with AD7124-8 LFCSP
APPLICATIONS...
