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参数资料
| 型号： | MAX5816ATB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/32页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT SRL 4CH 10TDFN |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 设置时间： | 4.5µs |
| 位数： | 12 |
| 数据接口： | I²C，串行 |
| 转换器数目： | 4 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 1.95W |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 4 电压，单极 |
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Ultra-Small, Quad-Channel, 12-Bit Buffered Output DAC
with Internal Reference and I2C Interface
MAX5816
Maxim Integrated Products 26
Table 9. POWER (100) Command Format
Table 10. SWRESET (101) Command Format
POWER Command
The MAX5816 features a software-controlled power-
mode (POWER) command. The POWER command
updates the power-mode settings of the selected DACs
while the power settings of the remaining of the DACs
remain unchanged. The new power setting is determined
by bits B[5:4] while the affected DAC(s) are selected by
bits B[3:0]. If all DACs are powered down, the device
enters a STANDBY mode.
In power-down, the output is disconnected from the
buffer and is grounded when one of the two selectable
internal resistors or set to high impedance. See Table 9
for the selectable internal resistor values in power-down
mode. In STANDBY mode, the DAC register retains its
value so that the output is restored when the device pow-
ers up. The serial interface remains active in power-down
mode.
In powered down mode, the internal reference can be
powered down or it can be set to remain powered-on
for external use in STANDBY mode, parts using external
reference do not load the REF. See Table 9.
SW_RESET and SW_CLEAR Command
The SW_RESET and SW_CLEAR commands provide
a means of issuing a software reset or software clear
operation. Set B0 = 0 to issue a software clear operation
to return all CODE and DAC registers to the zero-scale
value. Set B0 = 1 to reset all CODE, DAC, and configura-
tion registers to their default values. See Table 10.
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
PD1 PD0
D
C
B
A
Reserved
Don’t
Care
POWER
Command
Don’t Care
Power
Mode:
00 =
Normal
mode
01 = 1kI
10 =
100kI
11 = Hi-Z
DAC Selection
Data Default Value
X
0
1
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
1
X
R0
Reserved
Don’t
Care
SW_RESET or
SW_CLEAR
Command
Don’t Care
0=
Clear
1=
Reset
Data Default Value
X
1
Command Byte
Data High Byte
Data Low Byte
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