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参数资料
| 型号： | MAX1046BETX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/39页 |
| 文件大小： | 0K |
| 描述： | IC ADC/DAC 10BIT 36-TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | ADC，DAC |
| 分辨率（位）： | 10 b |
| 采样率（每秒）： | 225k |
| 数据接口： | 串行 |
| 电压电源： | 模拟和数字 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 带卷 (TR) |
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MAX1040/MAX1042/MAX1046/MAX1048
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
28
______________________________________________________________________________________
Output-Data Format
Figures 6–9 illustrate the conversion timing for the
MAX1040/MAX1042/MAX1046/MAX1048. All 10-bit con-
version results are output in 2-byte format, MSB first,
with four leading zeros and the LSB followed by 2 sub-
bits. Data appears on DOUT on the falling edges of
SCLK. Data is binary for unipolar mode and two’s com-
plement for bipolar mode and temperature results. See
Figures 3, 4, and 5 for input/output and temperature-
transfer functions.
ADC Transfer Functions
Figure 3 shows the unipolar transfer function for single-
ended or differential inputs. Figure 4 shows the bipolar
transfer function for differential inputs. Code transitions
occur halfway between successive-integer LSB values.
Output coding is binary, with 1 LSB = VREF1 / 1024 for
unipolar and bipolar operation, and 1 LSB = +0.125°C
for temperature measurements. Bipolar true-differential
results and temperature-sensor results are available in
two’s complement format, while all others are in binary.
See Tables 6, 7, and 8 for details on which setting
(unipolar or bipolar) takes precedence.
In unipolar mode, AIN+ can exceed AIN- by up to
VREF1. In bipolar mode, either input can exceed the
other by up to VREF1/2.
Table 18. DAC Power-Up and Power-Down Commands
CONTROL
BITS
DATA BITS
C3 C2 C1 C0 X
X
DAC3
DAC2
DAC1
DAC0
D3 D2 D1 D0
DESCRIPTION
FUNCTION
1
X
———— 0
0
1
X
Power-Up
Power up individual DAC buffers indicated by data
in DAC0 through DAC3. A one indicates the DAC
output is connected and active. A zero does not
affect the DAC’s present state.
1
X
———— 0
1
0
X
Power-Down 1
Power down individual DAC buffers indicated by
data in DAC0 through DAC3. A one indicates the
DAC output is disconnected and high impedance.
A zero does not affect the DAC’s present state.
1
X
———— 1
0
X
Power-Down 2
Power down individual DAC buffers indicated by
data in DAC0 through DAC3. A one indicates the
DAC output is disconnected and pulled to AGND
with a 1k
Ω resistor. A zero does not affect the DAC’s
present state.
1
X
———— 0
0
X
Power-Down 3
Power down individual DAC buffers indicated by
data in DAC0 through DAC3. A one indicates the
DAC output is disconnected and pulled to AGND
with a 100k
Ω resistor. A zero does not affect the
DAC’s present state.
1
X
———— 1
1
X
Power-Down 4
Power down individual DAC buffers indicated by
data in DAC0 through DAC3. A one indicates the
DAC output is disconnected and pulled to REF1 with
a 100k
Ω resistor. A zero does not affect the DAC’s
present state.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1048 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports |
| MAX1048BETX | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1048BETX+ | 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns & GPIO Port RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1048BETX+T | 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns & GPIO Port RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1048BETX-T | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
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