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参数资料
| 型号： | MX7534KN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 14BIT MPU COMP 20-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 18 |
| 设置时间： | 800ns |
| 位数： | 14 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-PDIP |
| 包装： | 管件 |
| 输出数目和类型： | 1 电流，单极；1 电流，双极 |
| 采样率（每秒）： | * |
MX7534/MX7535
Microprocessor-Compatible,
14-Bit DACs
_______________________________________________________________________________________
9
Gain Adjustment
(Figures 6a and 6b)
1) Load DAC register with all 1s.
2) Trim potentiometer R3 so that VOUT = -
(
16383)VIN
16384
Low-Leakage Configuration
Leakage current in the DAC flowing into the IOUT line
can cause gain, linearity, and offset errors. Leakage is
worse at high temperatures.
Negatively bias VSS for a high-temperature, low-leakage
configuration.
Dynamic Considerations
In static or DC applications, the output amplifier’s AC
characteristics are not critical. In higher-speed applica-
tions, where either the reference input is an AC signal
or the DAC output must quickly settle to a new pro-
grammed value, the output op amp’s AC parameters
must be considered.
Another error source in dynamic applications is the par-
asitic signal coupling from the REF terminal to IOUT.
This is normally a function of board layout and lead-to-
lead package capacitance. Signals can also be inject-
ed into the DAC outputs when the digital inputs are
switched. This digital feedthrough depends on circuit-
board layout and on-chip capacitive coupling. Minimize
layout-induced feedthrough with guard traces between
digital inputs, REF, and DAC outputs.
R1
100
R2, 33
R6
20k
R7
20k
R5 10k
R8, 5k,10%
INPUT
DATA
ANALOG
GROUND
A0
A1
A2
A1
7–14
WR
CS
16
620
5
4
3
2
19
1
C1
33pF
VIN
VDD
VSS
MX7534
REF
RFB
IOUT
AGNDS
AGNDF
DGND
D7–D0
15
18
17
+
VO
Figure 5a. Bipolar Operation
R1
20
R2 10
R6
20k
R7
20k
R5
10k
R8, 5k,10%
INPUT
DATA
ANALOG
GROUND
LDAC
A1
A2
CSMSB
8–21
WR
CSLSB
23
7
27
6
5
4
3
2
26
1
C1
33pF
VIN
VDD
VSS
MX7535
REFF REFS
RFB
IOUT
AGNDS
AGNDF
DGND
D13–D0
22
25
24
+
VO
Figure 5b. Bipolar Operation
CSMSB CSLSB LDAC
WR
FUNCTION
0
1
0
Load MS Input Register
1
0
1
0
Load LS Input Register
0010
Load LS and MS Input
Registers
110
X
Load DAC Register
from Input Register
0000
All registers are
transparent.
1
X
No operation
X
1
No operation
Table 3. MX7535 Logic States
Table 4. Offset Binary Bipolar Code Table
BINARY NUMBER IN
DAC REGISTER
Analog Output
(VOUT)
MSB
LSB
11
1111
10
0000
0001
10
0000
01
1111
00
0000
+VIN
(8191)
8192
+VIN
( 1 )
8192
0
-VIN
( 1 )
8192
-VIN
(8192) = -VIN
8192
Note:
X = Don’t Care.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MX7534KN+ | 功能描述:数模转换器- DAC 14-Bit Precision 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 |
| MX7534KP | 功能描述:数模转换器- 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 |
| MX7534KP+ | 功能描述:数模转换器- DAC 14-Bit Precision 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 |
| MX7534KP+T | 功能描述:数模转换器- DAC 14-Bit Precision 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 |
| MX7534KP-T | 功能描述:数模转换器- 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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