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参数资料
| 型号： | DAC7800LU |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 0.4 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封装： | GREEN, PLASTIC, SOIC-16 |
| 文件页数： | 20/23页 |
| 文件大小： | 687K |
| 代理商： | DAC7800LU |
DAC7800, 7801, 7802
6
SBAS005A
www.ti.com
BLOCK DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AGND
I
R
V
CS A
(LSB) DB0
DB1
DB2
DB3
DB4
DB5
DGND
I
R
V
CS B
WR
DB11 (MSB)
DB10
DB9
DB8
DB7
DB6
OUT A
FB A
REF A
FB B
REF B
DD
OUT B
DAC7802
TIMING CHARACTERISTICS
At VDD = +5V, and TA = –40oC to +85oC.
PARAMETER
MINIMUM
t1 - Data Setup Time
20ns
t2 - Data Hold Time
15ns
t3 - Chip Select to Write Setup Time
30ns
t4 - Chip Select to Write Hold Time
0ns
t5 - Write Pulse Width
30ns
LOGIC TRUTH TABLE
CSA
CSB
WR
FUNCTION
X
1
No Data Transfer
1
X
No Data Transfer
0
A Rising Edge on CSA or CSB Loads
Data to the Respective DAC
01
DAC A Register Loaded from Data Bus
10
DAC B Register Loaded from Data Bus
00
DAC A and DAC B Registers Loaded
from Data Bus
X = Don’t care.
means rising edge triggered.
PIN CONFIGURATION
DAC7802
DATA
5V
0V
5V
CSA, CSB
WR
t
2
t
1
t
3
t
4
t
5
NOTES: (1) All input signal rise and fall times are measured from 10%
to 90% of +5V. t
R = tR = 5ns. (2) Timing measurement reference level
is
V
IH + VIL
2
.
CK
DAC B
DAC A
12
DGND
18
CS A
5
CS B
20
WR
19
21
V
DD
DAC7802
6
2
I
3
R
OUT A
FB A
23
R
24
I
1
AGND
FB B
OUT B
DAC A Register
CK
DAC B Register
DB11–DB0
4
22
V
REF A
REF B
Top View
DIP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DAC7800LU | 制造商:Texas Instruments 功能描述:12BIT DAC DUAL SMD 7800 SOIC16 |
| DAC7800LUG4 | 功能描述:数模转换器- DAC Dual Monolithic CMOS 12-Bit Multiplying 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 |
| DAC7801 | 制造商:BB 制造商全称:BB 功能描述:Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS |
| DAC7801KP | 功能描述:数模转换器- DAC Dual Monolithic CMOS 12-Bit Multiplying 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 |
| DAC7801KPG4 | 功能描述:数模转换器- DAC Dual Monolithic CMOS 12-Bit Multiplying 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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