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参数资料
| 型号： | PCM3168APAPR |
| 厂商： | Texas Instruments |
| 文件页数： | 24/68页 |
| 文件大小： | 0K |
| 描述： | IC 24-BIT AUDIO CODEC 64-HTQFP |
| 标准包装： | 1,000 |
| 类型： | 音频编解码器 |
| 数据接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 数量： | 6 / 8 |
| 三角积分调变： | 是 |
| S/N 比，标准 ADC / DAC (db)： | 107 / 112（差分），104 / 112（单端） |
| 动态范围，标准 ADC / DAC (db)： | 107 / 112（差分），104 / 112（单端） |
| 电压 - 电源，模拟： | 4.5 V ~ 5.5 V |
| 电压 - 电源，数字： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-TQFP 裸露焊盘 |
| 供应商设备封装： | 64-HTQFP（10x10） |
| 包装： | 带卷 (TR) |
| 其它名称： | 296-31710-2 PCM3168APAPR-ND |
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OVERFLOW FLAG
ZERO FLAG
MODE CONTROL
HARDWARE CONTROL MODE CONFIGURATION
SBAS452 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
The PCM3168A and PCM3168A-Q1 include an overflow flag output for all ADC channels. As soon as any of the
six-channel ADC digital outputs exceed the full-scale range, an overflow flag is forced high on the OVF pin. The
overflow flag is held high for 1024 LRCKAD clock cycles. In parallel, overflow flag information is stored in the
OVF bits of the mode control register, and the OVF bit is held until the mode control register is read. The
overflow flag polarity can be changed by the OVFP bit. The OVF pin also indicates internal reset completion by
transmitting a 4096 SCKI width pulse.
The PCM3168A and PCM3168A-Q1 include a zero flag output for all DAC channels. When all of the
eight-channel DACs digital inputs have continued as zero data for 1024 LRCKDA clock cycles, the zero flag is
forced high on ZERO. In parallel, zero flag information is stored in the ZERO bits according to channel. The zero
flag polarity can be changed by the ZREV bit. Also, the zero flag function can be selected by the AZRO bits.
AND or OR logic for stereo, six channels, and eight channels can be selected.
The PCM3168A and PCM3168A-Q1 include four-way mode control selectable by MODE pin, as shown in
Table 10. The pull-up and pull-down resistors must be 220 k
±5%. This mode control selection is sampled only
when the internal reset is released by a power-on reset or by a low-to-high transition of the external reset (RST
pin); a system clock is also required.
Table 10. Mode Control Selection
MODE
MODE CONTROL INTERFACE
Tied to DGND
Two-wire (I2C) serial control, selectable analog input configuration
Tied to DGND via pull-down resistor
H/W (hardware control), differential analog input
Tied to VDD via pull-up resistor
H/W (hardware control), single-ended analog input
Tied to VDD
Four-wire (SPI) serial control, selectable analog input configuration
From the mode control selection described in Table 10, the functions of four pins are changed, as shown in
Table 11. Pin Functions
PIN ASSIGNMENTS
PIN
SPI
I2C
H/W
MS/ADR0/MD0
MS
ADR0
MD0
MDO/ADR1/MD1
MDO
ADR1
MD1
MDI/SDA/DEMP
MDI
SDA
DEMP
MC/SCL/FMT
MC
SCL
FMT
Both serial controls are available while RST = high and after internal reset completion, which is indicated as a
negative transition (high
≥ low) of a 4096 × SCKI width pulse on the OVF pin.
The data format is selected by the MC/SCL/FMT pin between I2S format and I2S mode in TDM format, as shown
in Table 12.
Table 12. Data Format Selection
FMT
MODE CONTROL INTERFACE
Low
I2S audio data format
High
I2S mode, TDM audio data format (supported only for SCKI = 128 fS, 256 fS, or 512 fS)
30
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): PCM3168A PCM3168A-Q1
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| PCM3168APAPRG4 | 功能描述:接口—CODEC 24B,96/192kHz,6ch-in 8ch-out Aud CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| PCM3168A-Q1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:24-Bit, 96-kHz/192-kHz, 6-In/8-Out Audio Codec with Differential Input/Output |
| PCM3168ATPAPQ1 | 功能描述:接口—CODEC 24B,6-In/8-Out Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| PCM3168ATPAPRQ1 | 功能描述:接口—CODEC 24B,6-In/8-Out Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| PCM3168ATPAPRQ1G4 | 功能描述:接口—CODEC 24B,6-In/8-Out Audio CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
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