參數(shù)資料
型號(hào)： MAX5725AAUP+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 24/35頁(yè)
文件大小： 0K
描述： IC DAC 12BIT SRL 20TSSOP
標(biāo)準(zhǔn)包裝： 2,500
設(shè)置時(shí)間： 4.5µs
位數(shù)： 12
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 模擬和數(shù)字
功率耗散（最大）： 1.08W
工作溫度： -40°C ~ 125°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 20-TSSOP
包裝： 帶卷 (TR)
輸出數(shù)目和類(lèi)型： 8 電流，單極
MAX5723/MAX5724/MAX5725
Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered
Output DACs with Internal Reference and SPI Interface
30
Maxim Integrated
Table 12. SPI_READ_DATA Command Format
SPI_READ_DATA Command
The SPI_READ_DATA command (B[23:18] = 111010 for
DPHA = 0, B[23:18] = 111011 for DPHA = 1) reads back
the data requested using the SPI_DATA_REQUEST com-
mand through DOUT.
DIN[18] selects the DOUT phase (DPHA) to be used (see
Figure 1 for details, and the SPI Timing Characteristics
in the Electrical Characteristics for a complete listing of
readback speed capabilities based on the DPHA selec-
tion).
The SPI_READ_DATA command provides register and
address data as defined by the SPI_DATA_REQUEST
configuration SEL bits. SPI_READ_DATA also increments
the channel address pointer if configured to do so by the
SPI_DATA_REQUEST INC bit, the address readback is
the address corresponding to the data returned.
B23 B22 B21 B20 B19 B18 B17 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3
B2
B1
B0
1
0
1
0
X
SPI_READ_DATA (DPHA = 0, SEL = 00)
DOUT = DAC[11:4]
DOUT = DAC[3:0]
ADDRESS[3:0]
SPI_READ_DATA (DPHA = 0, SEL = 01)
DOUT = CODE[11:4]
DOUT = CODE[3:0]
ADDRESS[3:0]
SPI_READ_DATA (DPHA = 0, SEL = 10)
DOUT = RETURN[11:4]
DOUT = RET[3:0]
ADDRESS[3:0]
SPI_READ_DATA (DPHA = 0, SEL = 11)
DOUT = WDOG[15:8]
DOUT = WDOG[7:1]
0
1
0
1
X
SPI_READ_DATA (DPHA = 1, SEL = 00)
DOUT = DAC[11:4]
DOUT = DAC[3:0]
ADDRESS[3:0]
SPI_READ_DATA (DPHA = 1, SEL = 01)
DOUT = CODE[11:4]
DOUT = CODE[3:0]
ADDRESS[3:0]
SPI_READ_DATA (DPHA = 1, SEL = 10)
DOUT = RETURN[11:4]
DOUT = RET[3:0]
ADDRESS[3:0]
SPI_READ_DATA (DPHA = 1, SEL = 11)
DOUT = WDOG[15:8]
DOUT = WDOG[7:1]
0
Command Byte
Data High Byte
Data Low Byte
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