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参数资料
| 型号： | MAX1303BEUP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/29页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT MULT RANGE 20TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS |
| 标准包装： | 74 |
| 位数： | 16 |
| 采样率（每秒）： | 115k |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 879mW |
| 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： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
| 输入数目和类型： | 4 个单端，单极；4 个单端，双极；2 个差分，双极 |
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External Acquisition Mode (Mode 1)
The slowest maximum throughput rate is achieved with
the external acquisition method. SCLK controls the
acquisition of the analog signal in external acquisition
mode, facilitating precise control over when the analog
signal is captured. The internal clock controls the con-
version of the analog input voltage. The analog input
sampling instant is at the falling edge of the 16th SCLK
(Figure 2).
For the external acquisition mode, CS must remain low
for the first 15 clock cycles and then rise on or after the
falling edge of the 16th SCLK cycle as shown in Figure
2. For optimal performance, idle DIN and SCLK during
the conversion. With careful board layout, transitions at
DIN and SCLK during the conversion have a minimal
impact on the conversion result.
After the conversion is complete, SSTRB asserts high
and CS can be brought low to read the conversion
result. SSTRB returns low on the rising SCLK edge of
the subsequent start bit.
Internal Clock Mode (Mode 2)
In internal clock mode, the internal clock controls both
acquisition and conversion of the analog signal. The inter-
nal clock starts approximately 100ns to 400ns after the
falling edge of the eighth SCLK and has a rate of about
4.5MHz. The analog input sampling instant occurs at the
falling edge of the 11th internal clock signal (Figure 3).
For the internal clock mode, CS must remain low for the
first seven SCLK cycles and then rise on or after the
falling edge of the eighth SCLK cycle. After the conver-
sion is complete, SSTRB asserts high and CS can be
brought low to read the conversion result. SSTRB returns
low on the rising SCLK edge of the subsequent start bit.
Reset (Mode 4)
As shown in Table 8, set M[2:0] = 100 to reset the
MAX1303 to its default conditions. The default condi-
tions are full power operation with each channel config-
ured for ±VREF, bipolar, single-ended conversions
using external clock mode (mode 0).
Partial Power-Down Mode (Mode 6)
As shown in Table 8, when M[2:0] = 110, the device enters
partial power-down mode. In partial power-down, all ana-
log portions of the device are powered down except for the
reference voltage generator and bias supplies.
To exit partial power-down, change the mode by issu-
ing one of the following mode-control bytes (see the
Mode Control section):
External-clock-mode control byte
External-acquisition-mode control byte
Internal-clock-mode control byte
Reset byte
Full power-down-mode control byte
This prevents the MAX1303 from inadvertently exiting
partial power-down mode because of a CS glitch in a
noisy digital environment.
MAX1303
4-Channel, ±VREF Multirange Inputs,
Serial 16-Bit ADC
______________________________________________________________________________________
23
CS
SCLK
DIN
DOUT
18
START
SEL2
SEL1
SEL0
R2
R1
R0
DIF/SGL
tCL
tCP
tCH
tDV
tCSS
tDS
tDH
tCSH
tCSPW
tTR
HIGH
IMPEDANCE
18
START
M2
M1
M0
1
0
ANALOG INPUT CONFIGURATION BYTE
MODE CONTROL BYTE
HIGH
IMPEDANCE
HIGH
IMPEDANCE
Figure 14. Analog Input Configuration Byte and Mode-Control Byte Timing
CS
SCLK
DOUT
tCSS
HIGH IMPEDANCE
SSTRB
tSSCS
MSB
tDO
NOTE: SSTRB AND CS REMAIN LOW IN EXTERNAL CLOCK MODE (MODE 0).
Figure 15. DOUT and SSTRB Timing
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1303BEUP+ | 功能描述:模数转换器 - ADC 16-Bit 4Ch 115ksps 4.136V Precision 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 |
| MAX1303BEUP+T | 功能描述:模数转换器 - ADC 16-Bit 4Ch 115ksps 4.136V Precision 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 |
| MAX1303BEUP-T | 功能描述:模数转换器 - 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 |
| MAX13041ASD/V+ | 功能描述:CAN 接口集成电路 80V Fault-Protected High-Speed RoHS:否 制造商:Texas Instruments 类型:Transceivers 工作电源电压:5 V 电源电流: 工作温度范围:- 40 C to + 85 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13041ASD/V+T | 功能描述:CAN 接口集成电路 80V Fault-Protected High-Speed RoHS:否 制造商:Texas Instruments 类型:Transceivers 工作电源电压:5 V 电源电流: 工作温度范围:- 40 C to + 85 C 封装 / 箱体:SOIC-8 封装:Tube |
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