參數(shù)資料
型號： PCM1741
英文描述： %2B3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
中文描述： 3.3V的單電源，24位，96kHz采樣加強多層次，Δ-Σ，音頻數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 11/22頁
文件大?。?/td> 325K
代理商： PCM1741
PCM1741
SBAS175
11
MODE CONTROL REGISTERS
User-Programmable Mode Controls
The PCM1741 includes a number of user-programmable
functions that are accessed via control registers. The regis-
ters are programmed using the Serial Control Interface that
was previously discussed in the “Serial Control Interface”
section of 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 an index (or address) indicated by the
IDX[6:0] bits.
FUNCTION
RESET DEFAULT
CONTROL REGISTER
INDEX, IDX[6:0]
Digital Attenuation Control, 0dB to
–
63dB in 0.5dB Steps
Soft Mute Control
Oversampling Rate Control (64 or 128f
S
)
DAC Operation Control
De-Emphasis Function Control
De-Emphasis Sample Rate Selection
Audio Data Format Control
Digital Filter Roll-Off Control
Zero Flag Function Select
Output Phase Select
Zero Flag Polarity Select
0dB, No Attenuation
Mute Disabled
64f
S
Oversampling
DAC1 and DAC2 Enabled
De-Emphasis Disabled
44.1kHz
24-Bit Left Justified
Sharp Roll-Off
L-/R-Channel Independent
Normal Phase
High
16 and 17
18
18
19
19
19
20
20
22
22
22
AT1[7:0], AT2[7:0]
MUT[2:0]
OVER
DAC[2:1]
DM12
DMF[1:0]
FMT[2:0]
FLT
AZRO
DREV
ZREV
TABLE II. User-Programmable Mode Controls.
TABLE III. Mode Control Register Map.
IDX
(B8-B14)
REGISTER
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
10
H
11
H
12
H
13
H
14
H
15
H
16
H
16
17
18
19
20
21
22
0
0
0
0
0
0
0
IDX6
IDX6
IDX6
IDX6
IDX6
IDX6
IDX6
IDX5
IDX5
IDX5
IDX5
IDX5
IDX5
IDX5
IDX4
IDX4
IDX4
IDX4
IDX4
IDX4
IDX4
IDX3
IDX3
IDX3
IDX3
IDX3
IDX3
IDX3
IDX2
IDX2
IDX2
IDX2
IDX2
IDX2
IDX2
IDX1
IDX1
IDX1
IDX1
IDX1
IDX1
IDX1
IDX0
IDX0
IDX0
IDX0
IDX0
IDX0
IDX0
AT17
AT27
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
AT16
AT26
OVER RSV
(1)
DMF1
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
AT15
AT25
AT14
AT24
RSV
(1)
RSV
(1)
RSV
(1)
DM12
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
AT13
AT23
AT12
AT22
AT11
AT21
MUT2
DAC2
FMT1
RSV
(1)
ZREV
AT10
AT20
MUT1
DAC1
FMT0
RSV
(1)
DREV
DMF0
FLT
FMT2
AZRO
NOTE: (1) RSV = Reserved for test operation. It should be set to
“
0
”
when in regular operation.
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
t
MCY
t
MCL
t
MCH
t
MHH
t
MLS
t
MLH
t
MDH
t
MDS
MC Pulse Cycle Time
MC Low Level Time
MC High Level Time
ML High Level Time
ML Falling Edge to MC Rising Edge
ML Hold Time
(1)
MD Hold Time
MD Set Up Time
100
50
50
ns
ns
ns
ns
ns
ns
ns
ns
Note (2)
20
20
15
20
NOTES: (1) MC rising edge for LSB to ML rising edge. (2)
3
256
f
S
sec (min), f
S
= Sampling Rate.
FIGURE 7. Control Interface Timing.
50% of V
DD
50% of V
DD
50% of V
DD
ML
MC
MD
t
MLS
t
MCH
t
MCY
t
MDS
t
MCH
t
MCL
t
MHH
t
MLH
LSB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1741/E2K 制造商:BB 制造商全稱:BB 功能描述:+3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
PCM1741E 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC +3.3V 24-Bit 96kHz Samp Enh Mult 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1741E/2K 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC +3.3V 24-Bit 96kHz Samp Enh Mult 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1741E/2KG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC +3.3V 24-Bit 96kHz Samp Enh Mult 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1741EG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC +3.3V 24-Bit 96kHz Samp Enh Mult 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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