AD7854LARZ

Semiconductors - ICs

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> Analog-to-Digital Converters - ADC

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Series Information for AD7854LARZ - Analog Devices

Features

  • feature
    Specified for VDD of 3 V to 5.5 V Read-Only Operation AD7854u2013200 kSPS; AD7854Lu2013100 kSPS System and Self-Calibration Low Power Normal Operation AD7854: 15 mW (VDD = 3 V) AD7854L: 5.5 mW (VDD = 3 V) Automatic Power-Down After Conversion (25 u242eW) AD7854: 1.3 mW 10 kSPS AD7854L: 650 u242eW 10 kSPS Flexible Parallel Interface 12-Bit Parallel/8-Bit Parallel (AD7854) 28-Lead DIP, SOIC and SSOP Packages (AD7854)

Description

ADC 12BIT 200KSPS SOIC-28
The AD7854/AD7854L is a high speed, low power, 12-bit ADC that operates from a single 3 V or 5 V power supply, the AD7854 being optimized for speed and the AD7854L 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 has a number of power-down options for low power applications. The AD7854 is capable of 200 kHz throughput rate while the AD7854L 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 AD7854 and AD7854L input voltage range is 0 to VREF (unipolar) and –VREF/2 to +VREF/2, centered at VREF/2 (bipolar). The coding is straight binary in unipolar mode and twos complement in bipolar mode. Input signal range is to the supply and the part is capable of convert- ing full-power signals to 100 kHz. CMOS construction ensures low power dissipation of typically 5.4 mW for normal operation and 3.6 µW in power-down mode. The part is available in 28-lead, 0.6 inch wide dual-in-line pack- age (DIP), 28-lead small outline (SOIC) and 28-lead small shrink outline (SSOP) packages. See Page 27 for data sheet index.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
200kSPS
Input Channel Type:
Pseudo Differential
Data Interface:
Parallel
Supply Voltage Type:
Single
Supply Voltage Min:
3V
Supply Voltage Max:
5.5V
ADC / DAC Case Style:
SOIC
No. of Pins:
28Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 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