參數(shù)資料
型號(hào): DSD1792ADBG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): DAC
英文描述: SERIAL INPUT LOADING, 24-BIT DAC, PDSO28
封裝: GREEN, PLASTIC, TSSOP-28
文件頁(yè)數(shù): 54/57頁(yè)
文件大?。?/td> 634K
代理商: DSD1792ADBG4
DSD1792A
SLES106B FEBRUARY 2004 REVISED NOVEMBER 2006
www.ti.com
6
Terminal Functions
TERMINAL
I/O
DESCRIPTIONS
NAME
PIN
I/O
DESCRIPTIONS
AGND1
19
Analog ground (internal bias)
AGND2
24
Analog ground (internal bias)
AGND3L
27
Analog ground (L-channel DACFF)
AGND3R
16
Analog ground (R-channel DACFF)
DBCK
3
I
Bit clock input for DSD modes (1)
DGND
8
Digital ground
DSDL
1
I/O
L-channel audio data input when in DSD and external DF modes
PCM-mode zero flag for L-channel when in zero-flag output mode(2)
DSDR
2
I/O
R-channel audio data input when in DSD and external DF modes
PCM-mode zero flag for R-channel when in zero-flag output mode (2)
IOUTL+
25
O
L-channel analog current output +
IOUTL–
26
O
L-channel analog current output –
IOUTR+
17
O
R-channel analog current output +
IOUTR–
18
O
R-channel analog current output –
IREF
20
Output current reference bias pin
MC
12
I
Mode control clock input(1)
MDI
11
I
Mode control data input (1)
MDO
13
O
Mode control readback data output (3)
MS
10
I/O
Mode control chip-select input(2)
PBCK
6
I
Bit clock input. Connected to GND in DSD mode (1)
PDATA
5
I
Serial audio data input for PCM-format operation (1)
PLRCK
4
I
Left and right clock (fS) input for PCM-format operation. WDCK clock input for external DF mode.
Connected to GND for DSD mode (1)
RST
14
I
Reset(1)
SCK
7
I
System clock input (1)
VCC1
23
Analog power supply, 5 V
VCC2L
28
Analog power supply (L-channel DACFF), 5 V
VCC2R
15
Analog power supply (R-channel DACFF), 5 V
VCOML
22
L-channel internal bias decoupling pin
VCOMR
21
R-channel internal bias decoupling pin
VDD
9
Digital power supply, 3.3 V
(1) Schmitt-trigger input, 5-V tolerant
(2) Schmitt-trigger input and output. 5-V tolerant input, and CMOS output
(3) 3-state output
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