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参数资料
| 型号： | MAX11666AUB/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SRL 500KSPS 10UMAX |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 500k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 707.3mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 10-uMAX-EP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个单端，单极 |
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22 _____________________________________________________________________________________
MAX11661–MAX11666
500ksps, Low-Power,
Serial 12-/10-/8-Bit ADCs
To remain in normal mode, keep CS low until the falling
edge of the 10th SCLK cycle. Pulling CS high after the
10th SCLK falling edge keeps the part in normal mode.
However, pulling CS high before the 10th SCLK falling
edge terminates the conversion, DOUT goes into high-
impedance mode, and the device enters power-down
mode. See Figure 8.
Power-Down Mode
In power-down mode, all bias circuitry is shut down
drawing typically only 1.3FA of leakage current. To save
power, put the device in power-down mode between
conversions. Using the power-down mode between
conversions is ideal for saving power when sampling the
analog input infrequently.
Entering Power-Down Mode
To enter power-down mode, drive CS high between the
2nd and 10th falling edges of SCLK (see Figure 8). By
pulling CS high, the current conversion terminates and
DOUT enters high impedance.
Exiting Power-Down Mode
To exit power-down mode, implement one dummy con-
version by driving CS low for at least 10 clock cycles
(see Figure 9). The data on DOUT is invalid during this
dummy conversion. The first conversion following the
dummy cycle contains a valid conversion result.
The power-up time equals the duration of the dummy
cycle, and is dependent on the clock frequency. The
power-up time for 500ksps operation (8MHz SCLK) is 2Fs.
Figure 8. Entering Power-Down Mode
Figure 9. Exiting Power-Down Mode
Figure 10. ADC Transfer Function
12345678
910111213141516
HIGH
IMPEDANCE
INVALID
DATA
SCLK
CS
DOUT
INVALID DATA OR HIGH IMPEDANCE
HIGH IMPEDANCE
PULL CS HIGH AFTER THE 2ND AND BEFORE THE 10TH SCLK FALLING EDGE
12
34
56
78
910111213141516N
12
34
56
78
910111213141516
HIGH
IMPEDANCE
HIGH
IMPEDANCE
HIGH
IMPEDANCE
SCLK
CS
DOUT
INVALID DATA (DUMMY CONVERSION)
VALID DATA
FS - 1.5 x LSB
OUTPUT CODE
ANALOG
INPUT (LSB)
111...111
111...110
111...101
0
123
2n-2 2n-1 2n
000...000
000...001
000...010
FULL SCALE (FS):
AIN1/AIN2 = REF (TDFN, MAX)
AIN = VDD (SOT23)
n = RESOLUTION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11666EVKIT# | 功能描述:数据转换 IC 开发工具 MAX11666 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX1166ACUP | 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 |
| MAX1166ACUP+ | 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 |
| MAX1166ACUP+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 |
| MAX1166ACUP-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 |
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