參數(shù)資料
型號: PCM1792DBR
廠商: Texas Instruments
文件頁數(shù): 14/61頁
文件大?。?/td> 0K
描述: IC DAC 24BIT STER 192KHZ 28-SSOP
產品培訓模塊: Data Converter Basics
標準包裝: 2,000
位數(shù): 24
數(shù)據(jù)接口: I²C,串行,SPI?
轉換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
工作溫度: -25°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 28-SSOP
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 2 電壓,單極
采樣率(每秒): 200k
PCM1792
SLES069B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
21
MSB
LSB
Register Index (or Address)
Register Data
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
D7
D6
D4
D5
D3
D2
D1
D0
Figure 29. Control Data Word Format for MDI
High Impedance
When Read Mode is Instructed
A0
D7
D6
D4
D5
D3
D2
D1
D0
D7
D6
D4
D5
D3
D2
D1
D0
R/W
A1
A2
A3
A4
A5
A6
MS
MC
MDI
MDO
NOTE: Bit 15 is used for selection of write or read. Setting R/W = 0 indicates a write, while R/W = 1 indicates a read. Bits 148 are used for the register
address. Bits 7–0 are used for register data.
Figure 30. Serial Control Format
t(MCH)
50% of VDD
MS
t(MSS)
LSB
50% of VDD
t(MCL)
t(MHH)
t(MSH)
t(MCY)
t(MDH)
t(MDS)
MC
MDI
t(MOS)
50% of VDD
MDO
PARAMETER
MIN
MAX
UNITS
t(MCY) MC pulse cycle time
100
ns
t(MCL)
MC low-level time
40
ns
t(MCH) MC high-level time
40
ns
t(MHH) MS high-level time
80
ns
t(MSS)
MS falling edge to MC rising edge
15
ns
t(MSH) MS hold time(1)
15
ns
t(MDH) MDI hold time
15
ns
t(MDS) MDI setup time
15
ns
t(MOS) MC falling edge to MDO stable
30
ns
(1) MC rising edge for LSB to MS rising edge
Figure 31. Control Interface Timing
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