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| 型号： | MAX1116EKA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT SERIAL SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 位数： | 8 |
| 采样率（每秒）： | 100k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 910µW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 标准包装 |
| 输入数目和类型： | 1 个单端，单极 |
| 产品目录页面： | 1395 (CN2011-ZH PDF) |
| 其它名称： | MAX1116EKA+TDKR |
Input Voltage Range
Internal protection diodes that clamp the analog input
to VDD and GND allow the input pin (CH0) to swing
from (GND - 0.3V) to (VDD + 0.3V) without damage.
However, for accurate conversions, the inputs must not
exceed (VDD + 50mV) or be less than (GND - 50mV).
Input Bandwidth
The ADC’s input tracking circuitry has a 4MHz small-
signal bandwidth, so it is possible to digitize high-
speed transient events and measure periodic signals
with bandwidths exceeding the ADC’s sampling rate by
using undersampling techniques. Anti-alias filtering is
recommended to avoid high-frequency signals being
aliased into the frequency band of interest.
Serial Interface
The MAX1115/MAX1116 have a 3-wire serial interface.
The CNVST and SCLK inputs are used to control the
device, while the three-state DOUT pin is used to
access the conversion results.
The serial interface provides connection to microcon-
trollers (Cs) with SPI, QSPI, and MICROWIRE serial
interfaces at clock rates up to 5MHz. The interface sup-
ports either an idle high or low SCLK format. For SPI
and QSPI, set CPOL = CPHA = 0 or CPOL = CPHA = 1
in the SPI control registers of the C. Figure 5 shows
the MAX1115/MAX1116 common serial-interface con-
nections. See Figures 6a–6d for details on the serial-
interface timing and protocol.
MAX1115/MAX1116
Single-Supply, Low-Power, Serial 8-Bit ADCs
_______________________________________________________________________________________
7
VDD
I/O
SCK (SK)
MISO (SI)
GND
DOUT
SCLK
CONVST
GND
VDD
0.1
F
1
F
CH0
ANALOG
INPUTS
MAX1115
MAX1116
CPU
VDD
Figure 3. Typical Operating Circuit
GND
CHOLD
CAPACITIVE DAC
VDD
2
COMPARATOR
16pF
RIN
6.5k
AUTO-ZERO
RAIL
TRACK
HOLD
CH0
Figure 4. Equivalent Input Circuit
CONVST
SCLK
DOUT
I/O
SCK
MISO
SS
a) SPI
CONVST
SCLK
DOUT
CS
SCK
MISO
+3V
SS
b) QSPI
MAX1115
MAX1116
MAX1115
MAX1116
MAX1115
MAX1116
SCLK
DOUT
I/O
SK
SI
c) MICROWIRE
+3V
Figure 5. Common Serial-Interface Connections
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1117 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs |
| MAX1117EKA | 制造商:Maxim Integrated Products 功能描述:8 PIN COUNT SOT PACKAGE TYPE (MARK:AADW - Cut Tape Product |
| MAX1117EKA+ | 制造商:Maxim Integrated Products 功能描述:ADC SGL SAR 100KSPS 8BIT SERL 8PIN SOT-23 - Rail/Tube |
| MAX1117EKA+T | 功能描述:模数转换器 - ADC 2Ch Single-Supply Low Pwr Serial 8-Bit 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 |
| MAX1117EKA+TW | 制造商:Maxim Integrated Products 功能描述:+2.7V TO +3.6V, SINGLE-SUPPLY, LOW-POWER, 2-C - Tape and Reel |
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