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参数资料
| 型号： | DAC1221E |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 1800 us SETTLING TIME, 16-BIT DAC, PDSO16 |
| 封装： | SSOP-16 |
| 文件页数： | 4/16页 |
| 文件大小： | 154K |
| 代理商： | DAC1221E |
12
DAC1221
SYMBOL
DESCRIPTION
MIN
NOM
MAX
UNITS
fXIN
XIN Clock Frequency
1
2.5
MHz
tXIN
XIN Clock Period
400
1000
ns
t1
XIN Clock High
0.4 tXIN
ns
t2
XIN Clock LOW
0.4 tXIN
ns
t3
SCLK HIGH
5 tXIN
ns
t4
SCLK LOW
5 tXIN
ns
t5
Data In Valid to SCLK Falling Edge (Setup)
40
ns
t6
SCLK Falling Edge to Data In Not Valid (Hold)
20
ns
t7
Data Out Valid After Rising Edge of SCLK (Hold)
0
ns
t8
SCLK Rising Edge to New Data Out Valid (Delay)(1)
50
ns
t9
Falling Edge of Last SCLK for INSR to Rising Edge of First
13 tXIN
ns
SCLK for Register Data
ns
t10
Falling Edge of CS to Rising Edge of SCLK
11 tXIN
ns
t11
Falling Edge of Last SCLK for INSR to SDIO as Output
8 tXIN
10 tXIN
ns
t12
SDIO as Output to Rising Edge of First SCLK for Register Data
4 tXIN
ns
t13
Falling Edge of Last SCLK for Register Data to SDIO Tri-State
4 tXIN
6 tXIN
ns
t14
Falling Edge of Last SCLK for Register Data to Rising Edge
41 tXIN
ns
of First SCLK of next INSR (CS Tied LOW)
t15
Rising Edge of CS to Falling Edge of CS (Using CS)
22 tXIN
ns
NOTE: (1) With 10pF load.
TABLE VIII. Digital Timing Characteristics.
t
XIN
t
1
X
IN
t
2
t
3
t
4
t
5
t
7
t
6
t
8
SCLK
SDIO
t
14
t
9
IN7
IN0
IN1
INM
IN1
IN0
IN7
Write Register Data
IN7
OUT0
OUT1
OUTM
IN1
IN0
IN7
Read Register Data
SCLK
SDIO
CS
SCLK
SDIO
t
15
t
10
IN7
IN0
IN1
IN0
IN1
IN7
INM
t
10
t
9
Write Register Data
SDIO
IN7
OUT0
OUT1
IN0
IN1
IN7
OUTM
Read Register Data
FIGURE 5. XIN Clock Timing.
FIGURE 6. Serial Input/Output Timing.
FIGURE 7. Serial Interface Timing (CS always LOW).
FIGURE 8. Serial Interface Timing (using CS).
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| DAC1221E/2K5 | 制造商:Rochester Electronics LLC 功能描述:D/A CONV, 16-BIT 3V - Bulk |
| DAC1221EG4 | 功能描述:数模转换器- DAC 16B Delta-Sigma Low Power DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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