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THS12082IDATI/BBN/a50avai12 Bit, 8 MSPS ADC with Dual Ch., DSP/uP Interface, 16X FIFO, Channel Autoscan, Low Power


THS12082IDA ,12 Bit, 8 MSPS ADC with Dual Ch., DSP/uP Interface, 16X FIFO, Channel Autoscan, Low Powerblock diagramAV DVDD DD3.5 V2.5 VREFP1.225 VREFOUTREF1.5 VREFMDATA_AVREFPREFMOV_FLREFIN BVDDSingle- ..
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TLC5540IPW ,8-Bit, 40 MSPS ADC Single Ch., Internal S&H, Low Powerfeatures(TOP VIEW) 8-Bit Resolution Differential Linearity ErrorOE DGND1 24− ±0.3 LSB Typ, ±1 LS ..


THS12082IDA
12 Bit, 8 MSPS ADC with Dual Ch., DSP/uP Interface, 16X FIFO, Channel Autoscan, Low Power
Signal-to-Noise and Distortion Ratio: 66 dBat fI = 2 MHz Differential Nonlinearity Error: ±1 LSB Integral Nonlinearity Error: ±1.5 LSB Auto-Scan Mode for 2 Inputs 3-V or 5-V Digital Interface Compatible Low Power: 216 mW Max 5-V Analog Single Supply Operation Internal Voltage References... 50 PPM/°C
and ±5% Accuracy
Parallel μC/DSP Interface
applications
Radar Applications Communications Control Applications High-Speed DSP Front-End Automotive Applications

description

The THS12082 is a CMOS, low-power, 12-bit, 8 MSPS analog-to-digital converter (ADC). The speed,
resolution, bandwidth, and single-supply operation are suited for applications in radar, imaging, high-speed
acquisition, and communications. A multistage pipelined architecture with output error correction logic provides
for no missing codes over the full operating temperature range. Internal control registers allow for programming
the ADC into the desired mode. The THS12082 consists of two analog inputs, which are sampled
simultaneously. These inputs can be selected individually and configured to single-ended or differential inputs.
An integrated 16 word deep FIFO allows the storage of data in order to take the load off of the processor
connected to the ADC. Internal reference voltages for the ADC (1.5 V and 3.5 V) are provided.
An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the
application. Two different conversion modes can be selected. In the single conversion mode, a single and
simultaneous conversion can be initiated by using the single conversion start signal (CONVST). The conversion
clock in the single conversion mode is generated internally using a clock oscillator circuit. In the continuous
conversion mode, an external clock signal is applied to the CONV_CLK input of the THS12082. The internal
clock oscillator is switched off in the continuous conversion mode.
The THS12082C is characterized for operation from 0°C to 70°C, and the THS12082I is characterized for
operation from –40°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.DD
BGND
RA0/D10
RA1/D11
CONV_CLK (CONVST)
DATA_AV
AINP
AINM
REFIN
REFOUT
REFP
REFM
AGND
AVDD
CS0
CS1
WR (R/W)DD
DGND
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