16-Bit, 4-Channel, 250 kSPS PulSAR® ADC; Package: 20 ld LFCSP 4x4mm (2.5EP; No of Pins: 20; Temperature Range: Industrial
The AD7682/AD7689 are 4-channel/8-channel, 16-bit, chargeredistribution successive approximation register (SAR) analog-to-digitalconverters (ADCs) that operate from a single powersupply, VDD.
The AD7682/AD7689 contain all components for use in a multichannel, low power data acquisition system, including a true 16-bit SAR ADC with no missing codes; a 4-channel (AD7682) or 8-channel (AD7689) low crosstalk multiplexer that is useful for configuring the inputs as single-ended (with or without ground sense), differential, or bipolar; an internal low drift reference (selectable 2.5 V or 4.096 V) and buffer; a temperature sensor; a selectable one-pole filter; and a sequencer that is useful when channels are continuously scanned in order.
The AD7682/AD7689 use a simple serial port interface (SPI) for writing to the configuration register and receiving conversion results. The SPI interface uses a separate supply, VIO, which is set to the host logic level. Power dissipation scales with throughput.
The AD7682/AD7689 are housed in a tiny 20-lead lead frame chip scale package (LFCSP) and 20-lead wafer level chip scale package (WLCSP) with operation specified from −40°C to +85°C. The AD7689 includes an extended temperature range model with specifications guaranteed to a maximum temperature (TMAX) of +125°C.
- 16-bit resolution with no missing codes
- 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice of inputs
- Unipolar single-ended
- Differential (GND sense)
- Throughput: 250 kSPS
- INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR)
- Dynamic range: 93.8 dB
- SINAD: 92.5 dB at 20 kHz
- THD: −100 dB at 20 kHz
- Analog input range: 0 V to VREF with VREF up to VDD
- Multiple reference types
- Internal selectable 2.5 V or 4.096 V
- External buffered (up to 4.096 V)
- External (up to VDD)
- Internal temperature sensor (TEMP)
- Channel sequencer, selectable 1-pole filter, busy indicator
- No pipeline delay, SAR architecture
- Single-supply 2.3 V to 5.5 V operation with 1.8 V to 5.5 V logic interface
- Serial interface compatible with SPI, MICROWIRE, QSPI, and DSP
- Power dissipation
- 3.5 mW at 2.5 V/200 kSPS
- 12.5 mW at 5 V/250 kSPS
- Standby current: 50 nA
- Low cost grade available
- 20-lead 4 mm × 4 mm LFCSP package
- 20-lead 2.4 mm × 2.4 mm WLCSP package
- Multichannel system monitoring
- Battery-powered equipment
- Medical instruments: ECG/EKG
- Mobile communications: GPS
- Power line monitoring
- Data acquisition
- Seismic data acquisition systems
- Process control
- Number of Channels
- Conversion Rate
- 250 kSPs
- 16 bit
- Input Type
- 93.5 dB
- Interface Type
- Serial (4-Wire, SPI, QSPI, Microwire)
- Operating Supply Voltage
- 5 V
- Maximum Operating Temperature
- + 85 C
- Mounting Style
- Package / Case
- Maximum Power Dissipation
- 19.2 mW
- Minimum Operating Temperature
- - 40 C
- Number of Converters
- Voltage Reference
- Internal, External
AD7682 Technical Documentation/Data sheet
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Estimated Delivery Time: Dec 09 - Dec 14 days (choose Expedited at checkout).
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- 2-5 days
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- $20.00-$45.00 (0.50 KG)
- 2-5 days
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- 2-5 days
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- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
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After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
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- Q: What is the process for returns or replacement of AD7682BCPZRL7?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the AD7682BCPZRL7 we delivered, we will accept the replacement or return of the AD7682BCPZRL7 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of AD7682BCPZRL7.
(3)The AD7682BCPZRL7 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
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More details about return electronic components please see our Return & Change Policy.
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