AD7910
Info: : PRODUCTION
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AD7910

250 kSPS, 10-Bit ADC in 6 Lead SC70

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 3
1ku List Price Starting From $2.35
Features
  • Specified for VDD of 2.35 V to 5.25 V
  • Low Power:
    3 mW typ at 250 KSPS with 3 V Supplies
    12.5 mW typ at 250 KSPS with 5 V Supplies
  • Wide Input Bandwidth:
    70 dB SNR at 100 kHz Input Frequency
  • Flexible Power/Serial Clock Speed Management
  • Throughput Rate: 250 kSPS
  • No Pipeline Delays
  • High Speed Serial Interface SPI®/QSPI/MICROWIRE/DSP Compatible
  • Standby Mode: 1 µA max
  • 6-Lead SC70 Package
  • 8-Lead µSOIC Package
Additional Details
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The AD7910 / AD7920 are 10-bit and 12-bit, high speed, low power, successive-approximation ADCs respectively. The parts operate from a single 2.35 V to 5.25 V power supply and feature throughput rates up to 250 kSPS. The parts contain a low-noise, wide bandwidth track/hold amplifier, which can handle input frequencies in excess of 6 MHz.

The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. There are no pipelined delays associated with the part.

The AD7910 / AD7920 use advanced design techniques to achieve very low power dissipation at high throughput rates.

The reference for the part is taken internally from VDD. This allows the widest dynamic input range to the ADC. Thus the analog input range for the part is 0 to VDD. The conversion rate is determined by the SCLK.

PRODUCT HIGHLIGHTS

  1. 10-/12-bit ADCs in SC70 and MSOP packages.
  2. Low power consumption.
  3. Flexible power/serial clock speed management. The conversion rate is determined by the serial clock, allowing the conversion time to be reduced through the serial clock speed increase. This allows the average power consumption to be reduced when power-down mode is used while not converting. The part also features a power-down mode to maximize power efficiency at lower throughput rates. Current consumption is 1 μA maximum and 50 nA typically when in power-down mode.
  4. Reference derived from the power supply.
  5. No pipeline delay. The parts feature a standard successive approximation ADC with accurate control of the sampling instant via a CS input and once-off conversion control.

APPLICATIONS

  • Battery-powered systems
    Personal digital assistants
    Medical instruments
    Mobile communications
  • Instrumentation and control systems
  • Data acquisition systems
  • High speed modems
  • Optical sensors
Part Models 3
1ku List Price Starting From $2.35

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD7910AKSZ-500RL7
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AD7910AKSZ-REEL7
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AD7910ARMZ
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Product Lifecycle

PCN

Feb 8, 2010

- 04_0080

Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.

AD7910AKSZ-500RL7

PRODUCTION

AD7910AKSZ-REEL7

PRODUCTION

AD7910ARMZ

PRODUCTION

May 15, 2012

- 10_0006

Halogen Free Material Change for mini SOIC Products

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Feb 8, 2010

- 04_0080

arrow down

Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.

AD7910AKSZ-500RL7

PRODUCTION

AD7910AKSZ-REEL7

PRODUCTION

AD7910ARMZ

PRODUCTION

May 15, 2012

- 10_0006

arrow down

Halogen Free Material Change for mini SOIC Products

Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

EVAL-AD7910

AD7910 Evaluation kit

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EVAL-AD7910

AD7910 Evaluation kit

Product Detail

The EVAL-AD7910CBZ is a fully featured evaluation kit for the AD7910. This board operates in stand alone mode or in conjunction with the Evaluation Controller board . When operated with the Evaluation Controller board, software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the Evaluation Controller board.


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