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Features
1-2
1.1
Features
The TLV320AIC10/11 evaluation module (EVM) is a daughterboard that plugs
directly into the peripheral connector of TI’s TMS320C5402 DSK (DSP starter
kit) board. The board is populated with two TLV320AIC10/11 chips and has
footprints for six more. The EVM provides a platform for evaluating the various
operating modes and applications of AIC10/11 devices.
TLV320AIC10/11 devices are analog interface circuits (AIC), also called mo-
dem CODECs. They have 16-bit resolution and up to 22 kilosamples per sec-
ond (KSPS) speed. The device is designed for use with TI’s TMS320C5402
digital signal processors (DSP), or any other DSP or microprocessor that fea-
tures the multichannel buffered serial port (McBSP) or synchronized serial pe-
ripheral interface (SPI).
For detailed specifications and applications of the TLV320AIC10/11, refer to
TI’s
General-Purpose 3-V to 5.5-V 16-bit, 22-KSPS DSP CODEC Data Manual
(SLWS093) and
General-Purpose Low-Voltage 1.1-V to 3.6-V I/O, 16-bit,
22-KSPS DSP CODEC Data Manual SLWS100).
For more information about TI’s TMS320C5402 DSK, visit TI’s web site at:
http://www.ti.com/sc/docs/tools/dsp/tmdx320005402.htm
1.2
TLV320AIC10/11 Device Block Diagram
The TLV320AIC10/11 device contains both analog-to-digital converter (ADC)
and digital-to-analog converter (DAC) data paths. The ADC data path includes
operational amplifiers for input signal conditioning, an input multiplexer, an
antialiasing filter, a programmable gain amplifier, a Sigma-Delta ADC, and a
decimation filter. The DAC data path comprises an interpolation filter, a Sigma-
Delta DAC, a low-pass reconstruction filter, a programmable gain amplifier,
and output transmit operational amplifiers. DSP interface circuitry, band-gap
voltage reference, and clock generator/control circuits are also present in the
AIC10/11 devices.
Figure 1–1 shows the block diagram of the TLV320AIC10/11 device, and
includes the signal pinouts for the AIC10/11. The signals along the left side of
the illustration are analog and interface to the application. Signals shown along
the right side are digital and interface with the DSP and the other AIC10/11
devices and circuitry. There are four control registers (CR) in each AIC10/11
device. Each register requires configuration for proper operation.
Summary of Contents for TLV320AIC10 EVM
Page 1: ... January 2001 AAP Data Converters User s Guide SLWU003D ...
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Page 38: ...Printed Circuit Board Rev C 6 4 Figure 6 3 Printed Circuit Board Layer 1 Rev C ...
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