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TLC32046C Datasheet, PDF (8/57 Pages) Texas Instruments – Wide-Band Analog Interface Circuit | |||
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1.1 Features
⢠14-Bit Dynamic Range ADC and DAC
⢠16-Bit Dynamic Range Input With Programmable Gain
⢠Synchronous or Asynchronous ADC and DAC Sampling Rates Up to 25,000 Samples Per
Second
⢠Programmable Incremental ADC and DAC Conversion Timing Adjustments
⢠Typical Applications
â Speech Encryption for Digital Transmission
â Speech Recognition and Storage Systems
â Speech Synthesis
â Modems at 8-kHz, 9.6-kHz, and 16-kHz Sampling Rates
â Industrial Process Control
â Biomedical Instrumentation
â Acoustical Signal Processing
â Spectral Analysis
â Instrumentation Recorders
â Data Acquisition
⢠Switched-Capacitor Antialiasing Input Filter and Output-Reconstruction Filter
⢠Three Fundamental Modes of Operation: Dual-Word (Telephone Interface), Word, and Byte
⢠600-mil Wide N Package
⢠Digital Output in Twos Complement Format
⢠CMOS Technology
FUNCTION TABLE
DATA
COMMUNICATIONS
FORMAT
SYNCHRONOUS
(CONTROL
REGISTER
BIT D5 = 1)
ASYNCHRONOUS
(CONTROL
REGISTER
BIT D5 = 0)
FORCING CONDITION
DIRECT
INTERFACE
16-bit format
Dual-word
(telephone
interface) mode
Dual-word
Terminal 13 = 0 to 5 V
(telephone interface) Terminal 1 = 0 to 5 V
mode
TMS32020,
TMS320C25,
TMS320C30
16-bit format
Word mode
Word mode
Terminal 13 = VCCâ (â 5 V nom)
Terminal 1 = VCC+ (5 V nom)
TMS32020,
TMS320C25,
TMS320C30,
indirect
interface to
TMS320C10.
(see Figure 7).
8-bit format
(2 bytes required)
Byte mode
Byte mode
Terminal 13 = VCC â (â 5 V nom) TMS320C17
Terminal 1 = VCC â (â 5 V nom)
1â2
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