參數(shù)資料
型號(hào): PCM1602APTG4
廠商: Texas Instruments
文件頁(yè)數(shù): 16/46頁(yè)
文件大小: 0K
描述: IC DAC 24BIT 6CH 192KHZ 48-LQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 250
位數(shù): 24
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 6
電壓電源: 模擬和數(shù)字
功率耗散(最大): 240mW
工作溫度: -25°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 6 電壓,單極
采樣率(每秒): 192k
配用: DEM-DAI1602-ND - EVAL FIXTURE FOR PCM1602
www.ti.com
SLES146A – AUGUST 2005 – REVISED OCTOBER 2010
Register Definitions
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER 1
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT17
AT16
AT15
AT14
AT13
AT12
AT11
AT10
REGISTER 2
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT27
AT26
AT25
AT24
AT23
AT22
AT21
AT20
REGISTER 3
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT37
AT36
AT35
AT34
AT33
AT32
AT31
AT30
REGISTER 4
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT47
AT46
AT45
AT44
AT43
AT42
AT41
AT40
REGISTER 5
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT57
AT56
AT55
AT54
AT53
AT52
AT51
AT50
REGISTER 6
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT67
AT66
AT65
AT64
AT63
AT62
AT61
AT60
R/W – Read/Write Mode Select
When R/W = 0, a write operation is performed.
When R/W = 1, a read operation is performed.
Default value: 0
ATx[7:0] – Digital Attenuation Level Setting
where x = 1 through 6, corresponding to the DAC output VOUTx.
These bits are read/write.
Default value: 1111 1111b
Each DAC output, VOUT1 through VOUT6, includes a digital attenuator function. The attenuation level can be set
from 0 dB to –63 dB in 0.5-dB steps. Changes in attenuation levels are made by incrementing or decrementing
by one step (0.5 dB) for every 8/fS time interval until the programmed attenuator setting is reached. Alternatively,
the attenuation level can be set to infinite attenuation, or mute.
The attenuation level is calculated using the following formula:
Attenuation level (dB) = 0.5 (ATx[7:0]DEC – 255)
where ATx[7:0]DEC = 0 through 255.
For ATx[7:0]DEC = 0 through 128, the attenuator is set to infinite attenuation.
The following table shows attenuation levels for various settings.
ATx[7:0]
DECIMAL VALUE
ATTENUATOR LEVEL SETTING
1111 1111b
255
0 dB, no attenuation (default)
1111 1110b
254
–0.5 dB
1111 1101b
253
–1 dB
:
1000 0011b
131
–62 dB
1000 0010b
130
–62.5 dB
1000 0001b
129
–63 dB
1000 0000b
128
Mute
:
0000 0000b
0
Mute
Copyright 2005–2010, Texas Instruments Incorporated
23
Product Folder Link(s): PCM1602A
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