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TI introduces family of low power ADCs for high-density multi-channel applications

January 22, 2009

DALLAS, Jan. 22 /PRNewswire/ — Texas Instruments Incorporated (TI) (NYSE: TXN) today announced the ADS795x family of low power, precision SAR analog-to-digital converters (ADC) in a small form factor. These devices provide excellent linearity and AC performance for high-density applications and are optimized to deliver maximum performance in battery and low-voltage applications, such as handheld medical instruments, programmable logic controllers and digital power supplies. The ADS795x family includes a high degree of integration such as GPIO, programmable alarm thresholds, on board sequencer, and an SPI compatible interface to minimize board space requirements and simplify connectivity and software on the host device. (See http://www.ti.com/ads7953-pr.)

    Features                               Benefits
    -- Precision SAR converter             -- Excellent linearity and AC
       performance of 12-bit / 1 MSPS,        performance for high-density
       +/-1 LSB max INL, +/-1 LSB max         multi-channel applications
       DNL and 70 db MIN SNR                  in a small form factor
    -- Flexible digital supply of          -- Designed to deliver maximum
       1.8 V to 5.25 V and an analog          performance in battery and
       supply of 2.7 V to 5.25 V              low-voltage applications
    -- Flexible muxed inputs - 4-channel   -- Wide range of channel and
       ADS7950, 8-channel ADS7951,            resolution options in a family
       12-channel ADS7952 and 16-channel      of footprint and software
       ADS7953                                compatible devices
    -- Programmable thresholds and alarm   -- Reduce software overhead for
       per channel with GPIO and hardware     monitoring and control
       interrupt function                     functions with ability to
    -- Devices works well with a high         control off-chip components
       performance amplifier such as          with a single interface
       OPA365, or a programmable-gain      -- Offers a simple, high
       amplifier like  PGA112                 performance, two-chip solution
                                              for digitizing up to 16
                                              channels of analog inputs

      Product    # of bits       # of          Package        Price in 1ku
        name                   channels                        quantity
     ADS7950        12            4           TSSOP-30            $2.30
     ADS7951        12            8           TSSOP-30            $3.00
     ADS7952        12           12           TSSOP-38            $3.70
     ADS7953        12           16           TSSOP-38            $4.45
     ADS7954        10            4           TSSOP-30            $2.10
     ADS7955        10            8           TSSOP-30            $2.70
     ADS7956        10           12           TSSOP-38            $3.30
     ADS7957        10           16           TSSOP-38            $3.90
     ADS7958         8            4           TSSOP-30            $1.25
     ADS7959         8            8           TSSOP-30            $1.65
     ADS7960         8           12           TSSOP-38            $2.05
     ADS7961         8           16           TSSOP-38            $2.45

To learn more about TI’s data converters, visit:

About Texas Instruments

Texas Instruments (NYSE: TXN) helps customers solve problems and develop new electronics that make the world smarter, healthier, safer, greener and more fun. A global semiconductor company, TI innovates through manufacturing, design and sales operations in more than 25 countries. For more information, go to www.ti.com.

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SOURCE Texas Instruments Incorporated


Source: newswire