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参数资料
| 型号： | MX7534JN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/16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
_______________________________________________________________________________________
7
Zero-Offset Adjustment
(Figures 4a and 4b)
1) Load the DAC register with all 0s.
2) Adjust the offset of amplifier A1 so that V0 (see fig-
ure) is at a minimum (i.e.,
≤ 30V).
Gain Adjustment
(Figures 4a and 4b)
1) Load the DAC register with all 1s.
2) Trim potentiometer R1 so that VOUT = -VIN
(
16383)
16384
In fixed-reference applications, adjust full scale by
omitting R1 and R2 and trimming the reference voltage
magnitude. In many applications, the excellent Gain
Tempco and Gain Error specifications eliminate the
need for gain adjustment. However, if trims are
required and the DAC is to operate over a wide temper-
ature range, use low-tempco (>300ppm/°C) resistors.
Bipolar Operation
(4-Quadrant Multiplication)
Bipolar or 4-quadrant operation is shown in Figures 5a
and 5b. This configuration provides for offset binary
coding. Table 4 shows DAC codes and the corre-
sponding analog outputs for Figures 5a and 5b. With
the DAC loaded to 10 0000 0000 0000, either adjust R1
for VOUT = 0V, or omit R1 and R2 and adjust the ratio of
R5 and R6 for VOUT = 0V. Adjust the amplitude of VIN
or vary the value of R7 for full-scale trimming.
Resistors R5, R6, and R7 must be matched to 0.003%.
Mismatch of R5 and R6 causes both offset and full-
scale errors. For wide temperature range operation,
use resistors of the same material so that their tempera-
ture coefficients match and track.
2R
G
F
E
D
C
B
A
S10
S9
S0
2R
R
2R
R/4
RFB
IOUT
AGNDS
AGNDF
*NOTE: VALID FOR MX7535. IN MX7534, 0REFS AND 0REFF ARE REPLACED BY ONE PIN: REF.
REFS*
REFF*
R/4
+
–
AGNDS
AGNDF
IOUT
RFB
ILEAKAGE
g(VREF, N)
COUT
RO
Figure 2. Simplified Circuit Diagram
Figure 3. Equivalent Analog Output Circuit
Table 1. MX7534 Logic States
WR
CS
A1
A2
FUNCTION
X
1
X
Device not selected (Note 1)
1
X
No data transfer
0000
DAC loaded directly from
Data Bus (Note 2)
0001
MS Input Register loaded
from Data Bus
0010
LS Input Register loaded
from Data Bus
0011
DAC Register loaded from
Input Registers
Note 1: X = Don’t Care.
Note 2: When A1 = 0 and A0 = 0, all DAC registers are trans-
parent. By placing all 0s or all 1s on the data inputs, the
user can load the DAC to zero or full-scale output in
one write operation. This simplifies system calibration.
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相关代理商/技术参数 |
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|---|---|
| MX7534JN+ | 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 |
| MX7534JP | 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 |
| MX7534JP+ | 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 |
| MX7534JP+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 |
| MX7534JP-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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