AD7985BCPZ

Semiconductors - ICs

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> Analog-to-Digital Converters - ADC

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Series Information for AD7985BCPZ - Analog Devices

Features

  • feature
    16-bit resolution with no missing codes Throughput: 2.5 MSPS (TURBO high), 2.0 MSPS (TURBO low) Low power dissipation 15.5 mW at 2.5 MSPS, with external reference 28 mW at 2.5 MSPS, with internal reference INL: u00b10.7 LSB typical, u00b11.5 LSB maximum SNR 88.5 dB, with on-chip reference 90 dB, with external reference 4.096 V internal reference: typical drift of u00b110 ppm/u00b0C Pseudo differential analog input voltage range 0 V to VREF with VREF up to 5.0 V Allows use of any input range No pipeline delay Logic interface: 1.8 V/2.5 V/2.7 V Proprietary serial interface SPI-/QSPIu2122-/MICROWIREu2122-/DSP- compatible1 Ability to daisy-chain multiple ADCs with busy indicator 20-lead, 4 mm u00d7 4 mm LFCSP

Description

ADC SAR 16BIT 2.5MSPS LFCSP-20

The AD79851 is a 16-bit, 2.5 MSPS successive approximation analog-to-digital converter (SAR ADC). It contains a low power, high speed, 16-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and a versatile serial interface port. On the rising edge of CNV, the AD7985 samples an analog input, IN+, between 0 V and REF with respect to a ground sense, IN−. The AD7985 features a very high sampling rate turbo mode (TURBO is high) and a reduced power normal mode (TURBO is low) for low power applications where the power is scaled with the throughput. In normal mode (TURBO is low), the SPI-compatible serial inter- face also features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus and provide an optional busy indicator. It is compatible with 1.8 V, 2.5 V, and 2.7 V supplies using the separate VIO supply. The AD7985 is available in a 20-lead LFCSP with operation specified from −40°C to +85°C.

Specifications

Resolution (Bits):
16bit
Sampling Rate:
2.5MSPS
Input Channel Type:
Pseudo Differential
Data Interface:
Microwire QSPI SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.375V
Supply Voltage Max:
2.625V
ADC / DAC Case Style:
LFCSP
No. of Pins:
20Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 16-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
Richardson RFPD
CONVERTER - ADC
RS Components UK
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components DE
16-Bit-Bit ADC AD7985BCPZ Differentiell SPI, LFCSP VQ 20-Pin 1 Digital Interface Typ : Seriell (SPI) Montage-Typ : SMD Abtastrate : 2.5Msps Architektur : SAR Versorgungsspannung einzeln typ. : 2,5 V Eingangssignal-Typ : Pseudo-Differential Stromversorgungs-Typ : Single Integrale Nichtlinearität : ±1.5LSB Abmessungen : 4 x 4 x 0.95mm, Analog Devices
RS Components HK
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components JP
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components FR
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components CN
模数转换器 16 位 2.5MSPS PulSAR 11
RS Components ES
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components NL
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components NO
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components US
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components SG
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20
RS Components TW
ADC 16-Bit 2.5MSPS PulSAR 11mW LFCSP20