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参数资料
| 型号： | MAX5184BEEG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT DUAL 40MHZ 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 设置时间： | 25µs |
| 位数： | 10 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极 |
| 采样率（每秒）： | * |
MAX5181/MAX5184
10-Bit, 40MHz, Current/Voltage-Output DACs
_______________________________________________________________________________________
9
reference output-current resistor (RSET = 9.6k
Ω) sets
IREF to 125A and IFS to 1mA.
External Reference
To disable the MAX5181/MAX5184’s internal reference,
connect
REN to DVDD. A temperature-stable, external
reference may now be applied to drive the REFO pin to
set the full-scale output (Figure 3). Choose a reference
capable of supplying at least 150A to drive the bias
circuit that generates the cascode current for the cur-
rent array. For improved accuracy and drift perfor-
mance, choose a fixed output voltage reference such
as the 1.2V, 25ppm/°C MAX6520 bandgap reference.
Standby Mode
To enter the lower-power standby mode, connect digital
inputs PD and DACEN to DGND. In standby, both the
reference and the control amplifier are active with the
current array inactive. To exit this condition, DACEN
must be pulled high with PD held at DGND. The
MAX5181/MAX5184 typically require 50s to wake up
and let both outputs and the reference settle.
Shutdown Mode
For lowest power consumption, the MAX5181/MAX5184
provide a power-down mode in which the reference, con-
trol amplifier, and current array are inactive and the DAC
supply current is reduced to 1A. To enter this mode,
connect PD to DVDD. To return to active mode, connect
PD to DGND and DACEN to DVDD. About 50s are
required for the parts to leave shutdown mode and settle
to their outputs’ values prior to shutdown. Table 1 lists the
power-down mode selection.
Timing Information
Figure 4 shows a detailed timing diagram for the
MAX5181/MAX5184. With each high transition of the
clock, the input latch is loaded with the digital value set
by bits D9 through D0. The content of the input latch is
then shifted to the DAC register, and the output up-
dates at the rising edge of the next clock.
Outputs
The MAX5181 output is designed to supply full-scale
output currents of 1mA into 400
Ω loads in parallel with
a capacitive load of 5pF. The MAX5184 features inte-
grated 400
Ω resistors that restore the array current to
proportional, differential voltages of 400mV. These dif-
ferential output voltages can then be used to drive a
balun transformer or a low-distortion, high-speed oper-
ational amplifier to convert the differential voltage into a
single-ended voltage.
RSET**
9.6k
Ω
IFS
RSET
CCOMP*
REFR
AGND
DGND
IREF
REFO
MAX4040
RSET
1.2V
BANDGAP
REFERENCE
REN
CURRENT-
SOURCE ARRAY
*COMPENSATION CAPACITOR (CCOMP = 100nF)
**9.6k
ΩREFERENCE CURRENT-SET RESISTOR
INTERNAL TO MAX5184 ONLY. USE EXTERNAL
RSET FOR MAX5181.
OPTIONAL EXTERNAL BUFFER
FOR HEAVIER LOADS
MAX5181
MAX5184
Figure 2. Setting IFS with the Internal 1.2V Reference and the Control Amplifier
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5184ETG | 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 |
| MAX5184ETG+ | 功能描述:数模转换器- DAC 10-Bit High Speed 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 |
| MAX5184ETG+T | 功能描述:数模转换器- DAC 10-Bit High Speed 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 |
| MAX5184ETG-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 |
| MAX5184ETV | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit, 40MHz, Current/Voltage-Output DACs |
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