with Internal Reference and I2C I" />
參數(shù)資料
型號(hào)： MAX5816ATB+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 20/32頁(yè)
文件大?。?/td> 0K
描述： IC DAC 12BIT SRL 4CH 10TDFN
產(chǎn)品培訓(xùn)模塊： Obsolescence Mitigation Program
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： I²C，串行
轉(zhuǎn)換器數(shù)目： 4
電壓電源： 單電源
功率耗散（最大）： 1.95W
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 10-WFDFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 10-TDFN-EP（3x3）
包裝： 帶卷 (TR)
輸出數(shù)目和類型： 4 電壓，單極
Ultra-Small, Quad-Channel, 12-Bit Buffered Output DAC
with Internal Reference and I2C Interface
MAX5816
Maxim Integrated Products 27
Table 11. CONFIG Command Format
Table 12. REF Command Format
CONFIG Command
The CONFIG command allows independent configurations of the DAC. In normal mode (0), the DAC latch is operational
and responds to LOAD commands. In transparent mode (1), the DAC latch is transparent and CODE register contents
are supplied directly to the DAC outputs. See Table 11.
REF Command
The REF command updates the global reference setting used for all DAC channels. Set B[1:0] = 00 to use an external
reference for the DACs or set B[1:0] to 01, 10, or 11 to select either the 2.500V, 2.048V, or 4.096V internal reference,
respectively.
If RF2 (B2 = 0) is set to zero (default) in the REF command, the reference will be powered down any time all DAC chan-
nels are powered down (in STANDBY mode). If RF2 is set to one, the reference will remain powered even if all DAC
channels are powered down, allowing continued operation of external circuitry. In this mode the 1A shutdown state is
not available. See Table 12.
B23 B22 B21 B20 B19 B18 B17 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3
B2
B1
B0
0
X
1
X
RF2 RF1 RF0
Reserved
Don’t
Care REF Command
Don’t Care
0=
Default
1=
Always
On
REF
Mode:
00 = Ext
01 =
2.500V
10 =
2.048V
11 =
4.096V
Data Default Value
X
0
Command Byte
Data High Byte
Data Low Byte
B23 B22 B21 B20 B19 B18 B17 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
0
X
1
0
X
D
C
B
A
X
D
C
B
A
Reserved
Don’t
Care
CONFIG
Command
Don’t Care
DAC Latch Mode
0 = Operational
1 = Transparent
Data Default Value
X
0
Command Byte
Data High Byte
Data Low Byte
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