AD7470ARUZ

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Series Information for AD7470ARUZ - Analog Devices

Features

  • feature
    Specified for VDD of 2.7 V to 5.25 V 1.75 MSPS for AD7470 (10-Bit) 1.5 MSPS for AD7472 (12-Bit) Low Power AD7470: 3.34 mW Typ at 1.5 MSPS with 3 V Supplies 7.97 mW Typ at 1.75 MSPS with 5 V Supplies AD7472: 3.54 mW Typ at 1.2 MSPS with 3 V Supplies 8.7 mW Typ at 1.5 MSPS with 5 V Supplies Wide Input Bandwidth 70 dB Typ SNR at 500 kHz Input Frequency Flexible Power/Throughput Rate Management No Pipeline Delays High Speed Parallel Interface Sleep Mode: 50 nA Typ 24-Lead SOIC and TSSOP Packages

Description

10BIT ADC 2.7V SMD 7470 TSSOP24

The AD7470/AD7472 are 10-bit/12-bit high speed, low power, successive approximation ADCs. The parts operate from a single 2.7 V to 5.25 V power supply and feature throughput rates up to 1.5 MSPS for the 12-bit AD7472 and up to 1.75 MSPS for the 10-bit AD7470. The parts contain 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 standard control inputs, allowing easy interfacing to microprocessors or DSPs. The input signal is sampled on the falling edge of CONVST, and conversion is also initiated at this point. BUSY goes high at the start of conversion and goes low 531.66 ns after falling edge of CONVST (AD7472 with a clock frequency of 26 MHz) to indicate that the con- version is complete. There are no pipeline delays associated with the parts. The conversion result is accessed via standard CS and RD signals over a high speed parallel interface. The AD7470/AD7472 use advanced design techniques to achieve very low power dissipation at high throughput rates. With 3 V supplies and 1.5 MSPS throughput rates, the AD7470 typically consumes, on average, just 1.1 mA. With 5 V supplies and 1.75 MSPS, the average current consumption is typically 1.6 mA. The part also offers flexible power/throughput rate management. Operating the AD7470 with 3 V supplies and 500 kSPS throughput reduces the current consumption to 713 µA. At 5 V supplies and 500 kSPS, the part consumes 944 µA. It is also possible to operate the parts in an auto sleep mode, where the part wakes up to do a conversion and automatically enters sleep mode at the end of conversion. This method allows very low power dissipation numbers at lower throughput rates. In this mode, the AD7472 can be operated with 3 V supplies at 100 kSPS, and consume an average current of just 124 µA. At 5 V supplies and 100 kSPS, the average current consumption is 171 µA. The analog input range for the part is 0 V to REF IN. The 2.5 V reference is applied externally to the REF IN pin. The conver- sion rate is determined by the externally-applied clock.

Specifications

Resolution (Bits):
10bit
Sampling Rate:
1.75MSPS
Input Channel Type:
Single Ended
Data Interface:
Parallel
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
TSSOP
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 10-Bit SAR ADCs
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7470
Conversion Time:
1.75µs
IC Case Style:
TSSOP
IC Generic Number:
7470
IC Temperature Range:
Commercial
Linearity Error:
1%
Linearity Error ADC / DAC +:
0.9LSB
Linearity Error ADC / DAC -:
0.9LSB
No. of Bits:
10bit
No. of Channels:
1Channels
Operating Temperature Range:
-40°C to +85°C
Power Dissipation Ptot Max:
7.9mW
Supply Current:
2.4mA
Supply Voltage Range:
2.7V to 5.25V
Supply Voltage Range - Analogue:
2.7V to 5.25V
Supply Voltage Range - Digital:
2.7V to 5.25V

Alternate Descriptions

RS Components
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
Richardson RFPD
CONVERTER - ADC
RS Components UK
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components DE
10-Bit-Bit ADC AD7470ARUZ Single Ended Parallel, TSSOP 24-Pin 1 Montage-Typ : SMD Abtastrate : 1.75Msps Architektur : SAR Versorgungsspannung einzeln typ. : 2,7 → 5,25 V Integrale Nichtlinearität : ±1LSB Abmessungen : 7.9 x 4.5 x 1.05mm, Analog Devices
RS Components HK
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components JP
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components FR
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components CN
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components ES
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components NL
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components NO
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components US
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components SG
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24
RS Components TW
ADC 10-Bit 2.7-5.25V 1.75MSPS TSSOP24