AD7450ARZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7450ARZ - Analog Devices

Features

  • feature
    Fast Throughput Rate: 1 MSPS Specified for VDD of 3 V and 5 V Low Power at Max Throughput Rate: 3.75 mW Max at 833 kSPS with 3 V Supplies 9 mW Max at 1 MSPS with 5 V Supplies Fully Differential Analog Input Wide Input Bandwidth: 70 dB SINAD at 300 kHz Input Frequency Flexible Power/Serial Clock Speed Management No Pipeline Delays High-Speed Serial Interfaceu2014SPITM /QSPITM MICROWIRETM /DSP Compatible Power-Down Mode: 1 u0001A Max 8-Lead u0001SOIC and SOIC Packages

Description

ADC 12BIT 1MSPS NSOIC-8

The AD7450 is a 12-bit, high-speed, low power, successive approximation (SAR) analog-to-digital converter that features a fully differential analog input. It operates from a single 3 V or 5 V power supply and features throughput rates up to 833 kSPS or 1 MSPS, respectively. This part contains a low noise, wide bandwidth, differential track- and-hold amplifier (T/H) that can handle input frequencies in excess of 1 MHz with the –3 dB point typically being 20 MHz. The reference voltage for the AD7450 is applied externally to the VREF pin and can be varied from 100 mV to 3.5 V, depending on the power supply and what suits the application. The value of the reference voltage determines the common-mode voltage range of the part. With this truly differential input structure and variable reference input, the user can select a variety of input ranges and bias points. The conversion and data acquisition processes are controlled using CS and the serial clock, allowing the device to interface with microprocessors or DSPs. The input signals are sampled on the falling edge of CS, and the conversion is also initiated at this point. The SAR architecture of this part ensures that there are no pipeline delays. The AD7450 uses advanced design techniques to achieve low power dissipation at high throughput rates.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
1MSPS
Input Channel Type:
Differential Single Ended
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
4.75V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
NSOIC
No. of Pins:
8Pins
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

Newark Electronics
ADC, 12BIT, 1MSPS, NSOIC-8; Resolution (Bits):12bit; Sampling Rate:1MSPS; Input Channel Type:Differential, Single Ended; Data Interface:SPI; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V RoHS Compliant: Yes
Richardson RFPD
CONVERTER - ADC