TI simplifies design with the first 2-channel, simultaneous-sampling ADCs featuring two independently controlled internal references
Texas Instruments Incorporated (TI) introduced the industry’s first two-channel, simultaneous-sampling successive approximation (SAR) analog-to-digital converters (ADCs) with two independently controlled internal references for simplified system-level design.
The 16-bit ADS8363, 14-bit ADS7263 and 12-bit ADS7223 are pin-for-pin
compatible and provide twice the per-channel throughput of similar ADCs,
supporting speeds up to 1 MSPS for industrial and energy applications such as
motor control, power quality measurement, protection relays, power automation,
solar inverters and wind generators.
For more information and to order samples, visit
www.ti.com/ads8363-preu
Key features and benefits
- Integrates two 2.5-V, independently controlled references to simplify
system-level design, enabling separate ADC gain calibration and the
implementation of a programmable gain amplifier. This feature also reduces
the need for external signal conditioning when different gain levels are
required for each ADC.
- 1-MSPS throughput increases efficiency for higher performance. When used
for motor control, this increases the number of measurements per rotation,
which provides finer motor position accuracy
- FIFO (First In, First Out) reduces processor accesses by 75 percent or
more compared to alternative solutions. This can reduce system power
consumption or increase performance by freeing MIPS for other tasks.
- Reduces component count by supporting up to eight pseudo-differential or
four fully-differential input channels grouped into two pairs, doubling the
number of supported inputs compared to the closest 16- and 14-bit
competitors.
- Characterized for harsh industrial environments up to 125 degrees
Celsius, making the ADS8363 the highest temperature-rated device in its
class.
Free tools and support
- TI offers a variety of free tools and support to speed development with
the ADS8363, ADS7263 and ADS7223, including an IBIS model to verify board
signal integrity requirements and calculators for anti-aliasing and circuit
topography.
- An evaluation module (ADS8363EVM), including the OPA365 rail-to-rail
operational amplifier (op amp), is available to speed evaluation of these
new ADCs. The ADS8363EVM can be ordered today for $49.
Availability, packaging and pricing
- The ADS8363, ADS7263 and ADS7223 are all available now in a 5-mm x 5-mm
QFN package. Suggested retail pricing for 1,000-unit quantities is as
follows: $9.95 for the ADS8363, $6.95 for the ADS7263 and $3.95 for the
ADS7223.
Learn more about TI’s precision data converter portfolio by visiting
the links below:
201103091123.3.2011Test & measurementTexas Instruments