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参数资料
| 型号： | MAX5774UCB+D |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/28页 |
| 文件大小： | 0K |
| 描述： | IC DAC 14BIT 32CHAN SER 64-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 160 |
| 设置时间： | 20µs |
| 位数： | 14 |
| 数据接口： | 串行 |
| 转换器数目： | 32 |
| 电压电源： | 模拟和数字 |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
| 输出数目和类型： | 32 电压，单极 |
| 采样率（每秒）： | * |
| 产品目录页面： | 1398 (CN2011-ZH PDF) |
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grounds (see the Functional Diagram). Three output
channels of each channel bank (bank 0 and bank 1)
are referenced to GS2 (OUT0, OUT1, OUT2 in bank 0,
and OUT16, OUT17, OUT18 in bank 1). All other output
channels are referenced to GS1.
The MAX5773/MAX5774/MAX5775 analog and digital
sections have separate power inputs (AVDD and
DVDD). Separate power inputs are also provided for the
output buffers (AVCC and VSS). Proprietary deglitch cir-
cuitry prevents output glitches at power-up and elimi-
nates the need for power sequencing. A software-
shutdown mode facilitates efficient power manage-
ment. When shut down, the MAX5773/MAX5774/
MAX5775 consume 50A (typ) of supply current.
The MAX5773/MAX5774/MAX5775 have a 5s (typ)
wake-up time from shutdown mode to normal
DAC operation.
All DACs provide buffered outputs that can drive 10k
in
parallel with 100pF. The MAX5773 has a 0 to +10V out-
put range; the MAX5774 has a -2.5V to +7.5V output
range; and the MAX5775 has a -5V to +5V output range.
External Reference Input (REF)
The REF voltage sets the full-scale output voltage for all
32 DACs. REF accepts a +3.0V ±3% input. Reference
voltages outside these limits result in a degradation of
device performance.
REF is a buffered input. The input impedance is 1M
minimum and it does not vary with code. Use a high-
accuracy, low-noise voltage reference such as the
MAX6126AASA30 (3ppm/°C temperature drift and
0.02% initial accuracy) to improve static accuracy. REF
does not accept AC signals.
Ground Sense (GS1 and GS2)
The MAX5773/MAX5774/MAX5775 include ground-sense
inputs (GS1 and GS2) that allow the output voltages to be
referenced to a remote ground. The ground-sense input
GS1 is connected to channels OUT3–OUT15 (bank 0)
and to channels OUT19–OUT31 (bank 1). The ground-
sense input GS2 is connected to channels OUT0, OUT1,
OUT2 (bank 0), and OUT16, OUT17, OUT18 (bank 1).
Channels connected to the same ground sense can be
accessed in pairs. For example, OUT0 and OUT16 can
MAX5773/MAX5774/MAX5775
32-Channel, 14-Bit, Voltage-Output
DACs with Serial Interface
______________________________________________________________________________________
15
SCLK
XX
1
2
4
26
DIN
S0
C0
C2
C3
tCL
tCH
tDH
tDS
tCS2
tCS1
tCSS
tSCS
tCSPWL
tCSPWH
CS
(DSP MODE)
CS
(
C MODE)
32
Figure 1. Serial-Interface Timing
PART
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
S1*
S0*
MAX5773
0
MAX5774
0
1
0
MAX5775
1
0
Table 1. Offset DAC Codes
*S1 = S0 = 0 for proper operation.
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相关代理商/技术参数 |
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|---|---|
| MAX5774UCB-TD | 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 |
| MAX5774UTK | 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 |
| MAX5774UTK+ | 功能描述:数模转换器- DAC 14-Bit 32Ch 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 |
| MAX5774UTK+G074 | 功能描述:数模转换器- DAC 32-Channel 14-Bit Voltage-Output DAC with Serial Interface 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 |
| MAX5774UTK+T | 功能描述:数模转换器- DAC 14-Bit 32Ch 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 |
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