AD7858LARSZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7858LARSZ - Analog Devices

Features

  • feature
    Specified for VDD of 3 V to 5.5 V AD7858u2014200 kSPS; AD7858Lu2014100 kSPS System and Self-Calibration with Autocalibration on Power-Up Eight Single-Ended or Four Pseudo-Differential Inputs Low Power AD7858: 12 mW (VDD = 3 V) AD7858L: 4.5 mW (VDD = 3 V) Automatic Power-Down After Conversion (25 u242eW) Flexible Serial Interface: 8051/SPIu2122/QSPIu2122/u242eP Compatible 24-Lead DIP, SOIC, and SSOP Packages

Description

ADC 12BIT 100KSPS SSOP-24
The AD7858/AD7858L are high-speed, low-power, 12-bit ADCs that operate from a single 3 V or 5 V power supply, the AD7858 being optimized for speed and the AD7858L for low power. The ADC powers up with a set of default conditions at which time it can be operated as a read-only ADC. The ADC contains self-calibration and system calibration options to en- sure accurate operation over time and temperature and have a number of power-down options for low-power applications. The part powers up with a set of default conditions and can operate as a read-only ADC. The AD7858 is capable of 200 kHz throughput rate while the AD7858L is capable of 100 kHz throughput rate. The input track-and-hold acquires a signal in 500 ns and features a pseudo-differential sampling scheme. The AD7858/AD7858L voltage range is 0 to VREF with straight binary output coding. Input signal range is to the supply and the part is capable of con- verting full power signals to 100 kHz. CMOS construction ensures low power dissipation of typically 4.5 mW for normal operation and 1.15 mW in power-down mode with a throughput rate of 10 kSPS (VDD = 3 V). The part is available in 24-lead, 0.3 inch-wide dual-in-line package (DIP), 24-lead small outline (SOIC), and 24-lead small shrink outline (SSOP) packages. See page 31 for data sheet index. SPI and QSPI are trademarks of Motorola, Inc.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
100kSPS
Input Channel Type:
Single Ended
Data Interface:
Serial SPI
Supply Voltage Type:
Single
Supply Voltage Min:
3V
Supply Voltage Max:
5.5V
ADC / DAC Case Style:
SSOP
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
12-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

Richardson RFPD

CONVERTER - ADC