參數(shù)資料
型號(hào)： PCM1738
英文描述： 24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER
中文描述： 24位192kHz采樣，高級(jí)分段，音頻立體聲數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù)： 16/33頁(yè)
文件大?。?/td> 2274K
代理商： PCM1738
PCM1738
SBAS174B
16
MODE CONTROL REGISTERS
User-Programmable Mode Controls
The PCM1738 includes a number of user-programmable
functions that are accessed via mode control registers. The
registers are programmed using the Serial Control Interface
that was previously discussed in this data sheet. Table II lists
the available mode control functions, along with their reset
default conditions and associated register index.
Register Map
The mode control register map is shown in Table III. Each
register includes a W/R bit that indicates whether a register
read (W/R = 1) or write (W/R = 0) operation is performed.
FUNCTION
DEFAULT
REGISTER
BIT
FUNCTIONS AVAILABLE FOR BOTH WRITE AND READ
Digital Attenuation Control
0dB to –120dB in 0.5dB Steps
Attenuation Load Control
Disable, Enable
Attenuation Speed Selection
x1f
, x1/2f
S
, x1/4f
S
, x1/8f
S
Soft Mute Control
Mute Disable, Enable
Infinite Zero Mute Control
Disable, Enable
Input Audio Data Format Selection
16-, 20-, 24-Bit Standard (Right Justified) Format
24-Bit MSB-First Left-Justified Format
16-, 24-Bit I
2
S Format
De-Emphasis Control
Disable, Enable
Sampling Rate Selection for De-Emphasis
Disable, 44.1kHz, 48kHz, 32kHz
Digital Filter Roll-Off Selection
Sharp Roll-Off, Slow Roll-Off
Output Phase Reversal
Normal. Reverse
DAC Operation Control
Enable, Disabled
System Clock (SCKO) Output Control
Output Enable, Disable
System Clock (SCKO) Rate Control
SCKI, SCKI/2
System Reset Control
Reset Operation, Normal Operation
Mode Register Reset Control
Reset Operation, Normal Operation
Digital-Filter Bypass Control
DF Enable, DF Bypass
Delta-Sigma Oversampling Rate Selection
x64f
, x128f
, x32f
Delta-Sigma Order Selection
Third-Order, Fifth-Order
Monaural Mode Selection
Stereo, Monaural
Channel Selection for Monaural Mode Data
L-Channel, R-Channel
0dB
Register 16 for L-Channel
Register 17 for R-Channel
18
ATL[7:0]
ATR[7:0]
ATLD
Attenuation Disabled
x1f
S
19
ATS[1:0]
Mute Disabled
18
MUTE
Disabled
19
INZD
16-Bit Standard Format
18
FMT[2:0]
De-Emphasis Disabled
18
DME
De-Emphasis Disabled
18
DMF[1:0]
Sharp Roll-Off
19
FLT
Normal
19
REV
DAC Operation Enabled
19
OPE
Output Enabled
19
CLKE
SCKI
19
CLKD
Normal Operation
20
SRST
Normal Operation
20
MRST
DF Enabled
20
DFTH
x64f
S
20
OS[1:0]
Third Order
20
DSOS
Stereo
20
MONO
L-Channel
20
CHSL
FUNCTIONS AVAILABLE ONLY FOR READ
Zero Detection Flag
Not Zero, Zero Detected
Not Zero = 0
Zero Detected = 1
21
21
ZFGL for L-Channel
ZFGR for R-Channel
TABLE II. User-Programmable Mode Controls.
TABLE III. Mode Control Register Map.
REGISTER
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
16
17
18
19
20
21
W/R
W/R
W/R
W/R
W/R
R
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
ATL7
ATR7
ATLD
REV
DSOS
RSV
ATL6
ATR6
FMT2
ATS1
SRST
RSV
ATL5
ATR5
FMT1
ATS0
MRST
RSV
ATL4
ATR4
FMT0
OPE
DFTH
RSV
ATL3
ATR3
DMF1
CLKD
MONO
RSV
ATL2
ATR2
DMF0
CLKE
CHSL
RSV
ATL1
ATR1
DME
FLT
OS1
ZFGR
ATL0
ATR0
MUTE
INZD
OS0
ZFGL
NOTE: (1) RSV in Register 21 is assigned for factory test operation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1738E 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1738E 制造商:Texas Instruments 功能描述:D/A CONVERTER (D-A) IC
PCM1738E/2K 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1738E/2KG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1738E2K 制造商:BB 制造商全稱:BB 功能描述:24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER
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