参数资料
型号: LTC1661IMS8#TRPBF
厂商: Linear Technology
文件页数: 14/14页
文件大小: 0K
描述: IC D/A CONV 10BIT MICRPWR 8-MSOP
标准包装: 2,500
设置时间: 30µs
位数: 10
数据接口: 串行
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 260µW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
输出数目和类型: 2 电压,单极
采样率(每秒): *
LTC1661
9
1661fa
OPERATION
Table 2. DAC Control Functions
CONTROL
INPUT REGISTER
STATUS
DAC REGISTER
STATUS
POWER-DOWN STATUS
(SLEEP/WAKE)
COMMENTS
A3 A2 A1 A0
0
No Change
No Update
No Change
No Operation. Power-Down Status Unchanged
(Part Stays in Wake or Sleep Mode)
0
1
Load DAC A
No Update
No Change
Load Input Register A with Data. DAC Outputs
Unchanged. Power-Down Status Unchanged
0
1
0
Load DAC B
No Update
No Change
Load Input Register B with Data. DAC Outputs
Unchanged. Power-Down Status Unchanged
0
1
Reserved
0
1
0
Reserved
0
1
0
1
Reserved
0
1
0
Reserved
0
1
Reserved
1
0
No Change
Update Outputs
Wake
Load Both DAC Regs with Existing Contents of Input
Regs. Outputs Update. Part Wakes Up
1
0
1
Load DAC A
Update Outputs
Wake
Load Input Reg A. Load DAC Regs with New Contents
of Input Reg A and Existing Contents of Reg B. Outputs
Update. Part Wakes Up
1
0
1
0
Load DAC B
Update Outputs
Wake
Load Input Reg B. Load DAC Regs with Existing
Contents of Input Reg A and New Contents of Reg B.
Outputs Update. Part Wakes Up
1
0
1
Reserved
1
0
Reserved
1
0
1
No Change
No Update
Wake
Part Wakes Up. Input and DAC Regs Unchanged. DAC
Outputs Reflect Existing Contents of DAC Regs
1
0
No Change
No Update
Sleep
Part Goes to Sleep. Input and DAC Regs Unchanged.
DAC Outputs Set to High Impedance State
1
Load DACs A, B with
Same 10-Bit Code
Update Outputs
Wake
Load Both Input Regs. Load Both DAC Regs with New
Contents of Input Regs. Outputs Update. Part Wakes Up
DIN
SCK
CS/LD
A3
A2
INPUT CODE
DON’T CARE
A1
A0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X1
X0
1661 F01
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(SCK ENABLED)
(LTC1661
RESPONDS)
CONTROL CODE
INPUT WORD W0
Figure 1. Register Loading Sequence
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