AD7490BRUZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7490BRUZ - Analog Devices

Features

  • feature
    Fast throughput rate: 1 MSPS Specified for VDD of 4.75 V to 5.25 V Low power at maximum throughput rates 12.5 mW maximum at 1 MSPS with 5 V supplies 16 (single-ended) inputs with sequencer Wide input bandwidth 69.5 dB SNR at 50 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface, SPI/QSPIu2122/MICROWIREu2122/ DSP compatible Full shutdown mode: 0.5 u00b5A maximum 28-lead TSSOP package Support defense and aerospace applications (AQEC) Military temperature range (u221255u00b0C to +125u00b0C) Controlled manufacturing baseline One assembly/test site One fabrication site Enhanced product change notification Qualification data available on request

Description

IC 12BIT ADC SMD 7490 TSSOP28
The AD7490-EP is a 12-bit high speed, low power, 16-channel, successive approximation ADC. The part operates from a single 4.75 V to 5.25 V power supply and features throughput rates up to 1 MSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 1 MHz. The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily inter- face with microprocessors or DSPs. The input signal is sampled on the falling edge of CS, and conversion is also initiated at this point. There are no pipeline delays associated with the part. The AD7490-EP uses advanced design techniques to achieve very low power dissipation at high throughput rates. For maximum throughput rates, the AD7490-EP consumes just 2.5 mA with 5 V supplies. By setting the relevant bits in the control register, the analog input range for the part can be selected to be a 0 V to REFIN input or a 0 V to 2 × REFIN input, with either straight binary or twos comple- ment output coding. The AD7490-EP features 16 single-ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequentially. The conver- sion time is determined by the SCLK frequency because this is also used as the master clock to control the conversion. The AD7490-EP is available in a 28-lead TSSOP package. Full details about this enhanced product are available in the AD7490 data sheet, which should be consulted in conjunction with this data sheet.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
1MSPS
Input Channel Type:
Single Ended
Data Interface:
Serial SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
TSSOP
No. of Pins:
28Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
16 Channel 12-Bit SAR ADCs
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
A/D / D/A Features:
Successive approximation
Base Number:
7490
Conversion Time:
800ns
IC Case Style:
TSSOP
IC Generic Number:
7490
Linearity Error ADC / DAC +:
1LSB
Linearity Error ADC / DAC -:
1LSB
Logic Function Number:
7490
No. of Bits:
12bit
No. of Channels:
16Channels
Operating Temperature Range:
-40°C to +85°C
Supply Current:
2.5mA
Supply Voltage Range:
2.7V to 5.25V
Supply Voltage Range - Analogue:
2.7V to 5.25V
Total Harmonic Distortion:
-74dB

Alternate Descriptions

Richardson RFPD

CONVERTER - ADC