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| 型号： | MAX1302BEUG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/31页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT SRL 115KSPS 24TSSOP |
| 标准包装： | 62 |
| 位数： | 16 |
| 采样率（每秒）： | 115k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 1.11W |
| 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-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 管件 |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
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MAX1302
8-Channel, ±VREF Multirange Inputs,
Serial 16-Bit ADC
______________________________________________________________________________________
13
Detailed Description
The MAX1302 multirange, low-power, 16-bit successive-
approximation ADC operates from a single +5V supply
and has a separate digital supply allowing digital inter-
face with 2.7V to 5.25V systems. This 16-bit ADC has
internal track-and-hold (T/H) circuitry that supports single-
ended and fully differential inputs. For single-ended con-
versions, the valid analog input voltage range spans from
-VREF below ground to +VREF above ground. The maxi-
mum allowable differential input voltage spans from -2 x
VREF to +2 x VREF. Data can be converted in a variety of
software-programmable channel and data-acquisition
configurations. Microprocessor (P) control is made easy
through an SPI-/QSPI-/MICROWIRE-compatible serial
interface.
The MAX1302 has eight single-ended analog input
channels or four differential channels (see the
Block
Diagram). Each analog input channel is independently
software programmable for seven single-ended input
ranges (0V to +VREF/2, -VREF/2 to 0V, 0V to +VREF, -VREF
to 0V, ±VREF/4, ±VREF/2, and ±VREF) and three differential
input ranges (±VREF/2, ±VREF, and ±2 x VREF).
Additionally, all analog input channels are fault tolerant to
±6V. A fault condition on an idle channel does not affect
the conversion result of other channels.
Pin Description (continued)
PIN
NAME
FUNCTION
21
AGND3
Analog Signal Ground 3. AGND3 is the ADC negative reference potential. Connect AGND3 to AGND1.
DGND, DGNDO, AGND3, AGND2, and AGND1 must be connected together.
22
AVDD2
Analog Supply Voltage 2. Connect AVDD2 to a +4.75V to +5.25V power-supply voltage. Bypass AVDD2
to AGND2 with a 0.1F capacitor.
23
AGND2
Analog Ground 2. This ground carries approximately five times more current than AGND1. DGND,
DGNDO, AGND3, AGND2, and AGND1 must be connected together.
24
AGND1
Analog Ground 1. DGND, DGNDO, AGND3, AGND2, and AGND1 must be connected together.
4–20mA
PLC
ACCELERATION
PRESSURE
TEMPERATURE
WHEATESTONE
1
F
0.1
F
AGND2
DGNDO
AGND3
DGND
AVDD2
DVDD
AVDD1
0.1
F
0.1
F
0.1
F
5.0V
MAX1302
CHO
CH1
CH2
CH3
CH4
CH5
CH6
CH7
REF
AGND1
REFCAP
0.1
F
3.3V
MC68HCXX
C
DVDD0
SCLK
CS
DIN
SSTRB
DOUT
VDD
SCK
I/O
MOSI
I/O
MISO
VSS
Figure 1. Typical Application Circuit
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相关代理商/技术参数 |
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| MAX1302BEUG+ | 功能描述:模数转换器 - ADC 16Bit, 8Ch, 4.096V Multi-In Serial ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1302BEUG+T | 功能描述:模数转换器 - ADC 16Bit, 8Ch, 4.096V Multi-In Serial ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX13030EEBE+ | 制造商:Maxim Integrated Products 功能描述:LEVEL TRANSLATOR 16UCSP - Rail/Tube |
| MAX13030EEBE+T | 功能描述:转换 - 电压电平 6Ch High-Speed RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| MAX13030EETE+ | 功能描述:转换 - 电压电平 6Ch High-Speed RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
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