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Service Telephone:86-755-83294757
Trade Name:ADFS7124-4BBCPZ
Data Manual:ADFS7124-4BBCPZ.pdf
Brand:ADI
Particular Year:23+
Package:LFCSP-32
Delivery Date:New and Original
Stock: 1000pcs
The ADFS7124-4BBCPZ is a low-power, low-noise, fully integrated analogue front-end for high-precision measurement applications. The device contains a low-noise, 24-bit Σ-Δ analogue-to-digital converter (ADC) that can be configured with four differential inputs or seven single-ended or pseudo-differential inputs. An on-chip low-gain stage ensures that small-amplitude signals are directed to the analogue-to-digital converter.
The device is powered from a single 2.7 V to 3.6 V analogue supply or a 1.8 V dual supply. The digital supply has a voltage range of 1.65 V to 3.6 V and is specified over a temperature range of -40°C to +125°C. The ADFS7124-4BBCPZ is available in a 32-lead LFCSP package.
Benefits and Features
TÜV Rheinland SC3 certification for functional safety
Three power modes
RMS noise
Low power: 24 nV rms at 1.17 SPS, gain = 128 (255 μA typical)
Medium Power: 20 nV rms at 2.34 SPS, gain = 128 (355 μA typical)
Full power: 23 nV rms at 9.4 SPS, gain = 128 (930 μA typical)
Up to 22 noise-free bits in all power modes (gain = 1)
Output Data Rate
Full power: 9.38 SPS to 19,200 SPS
Medium power: 2.34 SPS to 4800 SPS
Low power: 1.17 SPS to 2400 SPS
Rail-to-rail analogue inputs with gain greater than 1
Simultaneous 50 Hz/60 Hz rejection at 25 SPS (single cycle stabilisation)
Diagnostic capability (contributes to Safety Integrity Level (SIL) certification)
Crosspoint multiplexed analogue inputs
4 differential/7 pseudo-differential inputs
Programmable gain (1 to 128)
Bandgap reference with maximum drift of 15 ppm/°C (70 μA)
Matched programmable excitation current
Internal clock oscillator
On-chip bias voltage generator
Low-side power switch
General-purpose outputs
Multiple filter options
Internal temperature sensor
Self and system calibration
Sensor burnout detection
Automatic channel sequencer
Per-channel configuration
Power supply 2.7 V to 3.6 V and ±1.8 V
Separate interface power supply
Power-down current: 5 μA maximum
Temperature range: -40°C to +125°C -40°C to +125°C
32-lead LFCSP
3-wire or 4-wire serial interface
SPI, QSPI, MICROWIRE, and DSP compatible
Schmitt trigger on SCLK
Electrostatic discharge: 4 kV
Applications
Temperature measurement
Pressure measurement
Industrial process control
Instrumentation
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Model
Brand
Package
Quantity
Describe
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14-bit, 1 GSPS JESD204B single-channel analog-to-digital converter
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14-bit, 1.25 GSPS JESD204B dual-channel analog-to-digital converter
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