TLC320AC02C Datasheet, PDF (4/84 Pages) Texas Instruments – Single-Supply Analog Interface Circuit

2.15 Device Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
2.15.1 Phase Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
2.15.2 Analog Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.15.3 16-Bit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.15.4 Free-Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.15.5 Force Secondary Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.15.6 Enable Analog Input Summing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–15
2.15.7 DAC Channel (sin x)/x Error Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–15
2.16 Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–15
2.16.1 Stand-Alone and Master-Mode Word Sequence and Information Content
During Primary and Secondary Communications . . . . . . . . . . . . . . . . . . . . 2–15
2.16.2 Slave and Codec-Mode Word Sequence and Information Content During
Primary and Secondary Communications . . . . . . . . . . . . . . . . . . . . . . . . . . 2–16
2.17 Request for Secondary Serial Communication and Phase Shift . . . . . . . . . . . . . 2–17
2.17.1 Initiating a Request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17
2.17.2 Normal Combinations of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17
2.17.3 Additional Control Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17
2.18 Primary Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–18
2.18.1 Primary Serial Communications Data Format . . . . . . . . . . . . . . . . . . . . . . . 2–19
2.18.2 Data Format From DOUT During Primary Serial Communications . . . . . 2–19
2.19 Secondary Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–19
2.19.1 Data Format to DIN During Secondary Serial Communications . . . . . . . . 2–19
2.19.2 Control Data-Bit Function in Secondary Serial Communication . . . . . . . . 2–19
2.20 Internal Register Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–20
2.20.1 Pseudo-Register 0 (No-Op Address) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–20
2.20.2 Register 1 (A Register) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–20
2.20.3 Register 2 (B Register) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–21
2.20.4 Register 3 (A′ Register) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–21
2.20.5 Register 4 (Amplifier Gain-Select Register) . . . . . . . . . . . . . . . . . . . . . . . . . 2–22
2.20.6 Register 5 (Analog Configuration Register) . . . . . . . . . . . . . . . . . . . . . . . . . 2–22
2.20.7 Register 6 (Digital Configuration Register) . . . . . . . . . . . . . . . . . . . . . . . . . . 2–23
2.20.8 Register 7 (Frame-Sync Delay Register) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–23
2.20.9 Register 8 (Frame-Sync Number Register) . . . . . . . . . . . . . . . . . . . . . . . . . 2–24
3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
3.1 Absolute Maximum Ratings Over Operating Free-Air Temperature Range . . . . . 3–1
3.2 Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
3.3 Electrical Characteristics Over Recommended Range of Operating Free-Air
Temperature, MCLK = 5.184 MHz, V_DD = 5 V, Outputs Unloaded,
Total Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
3.4 Electrical Characteristics Over Recommended Range of Operating Free-Air
Temperature, V_DD = 5 V, Digital I/O Terminals (DIN, DOUT, EOC,
FC0, FC1, FS, FSD, MCLK, M/S, SCLK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
3.5 Electrical Characteristics Over Recommended Range of Operating Free-Air
Temperature, V_DD = 5 V, ADC and DAC Channels . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
3.5.1 ADC Channel Filter Transfer Function, FCLK = 144 kHz, f_s = 8 kHz . . . . 3–2
3.5.2 ADC Channel Input, V_DD = 5 V, Input Amplifier Gain = 0 dB . . . . . . . . . . . 3–3
3.5.3 ADC Channel Signal-to-Distortion Ratio, V_DD = 5 V, f_s = 8 kHz . . . . . . . . 3–3
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