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Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
AD7870LPZ by Analog Devices Inc is an Analog to Digital Converter.
Analog to Digital Converters are under the broader part category of Converters.
A converter is an electrical circuit that transforms electric energy into a different form that will support a elecrical load needed by a device. Read more about Converters on our Converters part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2156-AD7870LPZ-ND
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DigiKey | IC ADC 12BIT SAR 28PLCC Min Qty: 1 Lead time: 10 Weeks Container: Bulk MARKETPLACE PRODUCT |
807 In Stock |
|
$108.1600 | Buy Now |
DISTI #
505-AD7870LPZ-ND
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DigiKey | IC ADC 12BIT SAR 28PLCC Min Qty: 1 Lead time: 10 Weeks Container: Tube |
9 In Stock |
|
$99.0500 / $112.5200 | Buy Now |
DISTI #
584-AD7870LPZ
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Mouser Electronics | Analog to Digital Converters - ADC 12 BIT SAMPLING DAC IC RoHS: Compliant | 0 |
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$109.3500 / $133.6300 | Order Now |
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Analog Devices Inc | 12 BIT SAMPLING DAC IC Package Multiple: 1 | 211 |
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$75.2900 / $112.5200 | Buy Now |
DISTI #
26616501
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Verical | 1-Channel Single ADC SAR 100ksps 12-bit Parallel/Serial 28-Pin PLCC Tube RoHS: Compliant Min Qty: 6 Package Multiple: 6 | Americas - 204 |
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$99.6730 | Buy Now |
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Rochester Electronics | Complete 12-Bit, 100 kHz, Sampling ADC RoHS: Compliant Status: Active Min Qty: 1 | 807 |
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$83.2000 / $104.0000 | Buy Now |
DISTI #
AD7870LPZ
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Richardson RFPD | CONVERTER - ADC RoHS: Compliant Min Qty: 6 | 0 |
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$103.6200 / $118.8600 | Buy Now |
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AD7870LPZ
Analog Devices Inc
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Datasheet
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AD7870LPZ
Analog Devices Inc
Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A)
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Pbfree Code | No | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | ANALOG DEVICES INC | |
Part Package Code | LCC | |
Package Description | ROHS COMPLIANT, PLASTIC, MO-047AB, LCC-28 | |
Pin Count | 28 | |
Manufacturer Package Code | P-28A | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Analog Devices | |
Analog Input Voltage-Max | 3 V | |
Analog Input Voltage-Min | -3 V | |
Conversion Time-Max | 9 µs | |
Converter Type | ADC, SUCCESSIVE APPROXIMATION | |
JESD-30 Code | S-PQCC-J28 | |
JESD-609 Code | e3 | |
Length | 11.5062 mm | |
Linearity Error-Max (EL) | 0.0122% | |
Moisture Sensitivity Level | 3 | |
Negative Supply Voltage-Nom | -5 V | |
Number of Analog In Channels | 1 | |
Number of Bits | 12 | |
Number of Functions | 1 | |
Number of Terminals | 28 | |
Operating Temperature-Max | 70 °C | |
Operating Temperature-Min | ||
Output Bit Code | BINARY, 2'S COMPLEMENT BINARY | |
Output Format | SERIAL, PARALLEL, 8 BITS, PARALLEL, WORD | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | QCCJ | |
Package Equivalence Code | LDCC28,.5SQ | |
Package Shape | SQUARE | |
Package Style | CHIP CARRIER | |
Peak Reflow Temperature (Cel) | 260 | |
Qualification Status | Not Qualified | |
Sample and Hold / Track and Hold | TRACK | |
Seated Height-Max | 4.57 mm | |
Supply Voltage-Nom | 5 V | |
Surface Mount | YES | |
Technology | CMOS | |
Temperature Grade | COMMERCIAL | |
Terminal Finish | Matte Tin (Sn) | |
Terminal Form | J BEND | |
Terminal Pitch | 1.27 mm | |
Terminal Position | QUAD | |
Width | 11.5062 mm |
This table gives cross-reference parts and alternative options found for AD7870LPZ. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of AD7870LPZ, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Manufacturer | Composite Price | Description | Compare |
---|---|---|---|---|
AD7870LP | Analog Devices Inc | Check for Price | IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQCC28, PLASTIC, MO-047AB, LCC-28, Analog to Digital Converter | AD7870LPZ vs AD7870LP |
AD7870JP | Analog Devices Inc | Check for Price | Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) | AD7870LPZ vs AD7870JP |
AD7870JPZ | Analog Devices Inc | Check for Price | Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) | AD7870LPZ vs AD7870JPZ |
AD7870KP-REEL | Analog Devices Inc | Check for Price | Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) | AD7870LPZ vs AD7870KP-REEL |
AD7870JPZ-REEL | Analog Devices Inc | Check for Price | Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) | AD7870LPZ vs AD7870JPZ-REEL |
AD7870KP | Analog Devices Inc | Check for Price | IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQCC28, PLASTIC, MO-047AB, LCC-28, Analog to Digital Converter | AD7870LPZ vs AD7870KP |
AD7870KPZ | Analog Devices Inc | Check for Price | Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) | AD7870LPZ vs AD7870KPZ |
AD7870KPZ-REEL | Analog Devices Inc | Check for Price | Complete 12-Bit, 100 kHz, Sampling ADC (AD7870/AD7870A) | AD7870LPZ vs AD7870KPZ-REEL |
The AD7870LPZ is a high-precision ADC, and its performance can be affected by the PCB layout and component placement. It is recommended to follow a star-grounding scheme, keep the analog and digital grounds separate, and place the ADC close to the analog signal sources. Additionally, decoupling capacitors should be placed close to the power pins, and the digital lines should be kept away from the analog lines.
The AD7870LPZ has an internal calibration mechanism that can be initiated by setting the CAL bit in the control register. The calibration process involves a self-calibration sequence that adjusts the ADC's offset and gain errors. The calibration process can be initiated at power-up or during normal operation. It is recommended to consult the datasheet for the specific calibration procedure.
The maximum sampling rate of the AD7870LPZ is 125 kSPS (kilo-samples per second). However, the actual sampling rate may be limited by the system clock frequency, the conversion mode, and the interface mode. It is recommended to consult the datasheet for the specific sampling rate limitations.
Yes, the AD7870LPZ can be used with an external reference voltage. The ADC has a dedicated reference input pin (REFIN) that can be connected to an external reference voltage source. The external reference voltage should be within the specified range (2.5 V to 5.5 V) and should be stable and noise-free.
The AD7870LPZ outputs 12-bit or 16-bit digital data, depending on the mode of operation. The output data can be accessed through the SPI or I2C interface. The data should be read in the correct byte order (MSB or LSB first) and should be processed according to the specific application requirements.