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参数资料
| 型号： | MAX110BEAP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
| 中文描述： | 2-CH 14-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO20 |
| 封装： | 5.30 MM, 0.65 MM PITCH, SSOP-20 |
| 文件页数： | 10/24页 |
| 文件大小： | 411K |
| 代理商： | MAX110BEAP |
M
Low-Cost, 2-Channel, ±14-Bit S erial ADCs
10
______________________________________________________________________________________
Oversampling Cloc k
XCLK internally connects to a clock-frequency divider
network, whose output is the ADC oversampling clock,
f
OSC
. This allows the selected clock source (internal RC
oscillator or external clock applied to XCLK) to be
divided by one, two, or four (see Clock Divider-Ratio
Control Bits).
Figure 3 shows the two methods for providing the over-
sampling clock to the MAX110/MAX111. In external-
clock mode (Figure 3a), the internal RC oscillator is
disabled and XCLK accepts a TTL/CMOS-level clock to
provide the oversampling clock to the ADC.
Select external-clock mode (Figure 3a) by connecting
RCSEL to GND and a TTL/CMOS-compatible clock to
XC LK (see Selecting the Oversampling C lock
Frequency).
In RC-oscillator mode (Figure 3b), the internal RC oscil-
lator is active and its output is connected to XCLK
(Figure 1). Select RC-oscillator mode by connecting
RCSEL to V
DD
. This enables the internal oscillator and
connects it to XCLK for use by the ADC and external
system components. Minimize the capacitive loading on
XCLK when using the internal RC oscillator.
DIFFERENTIAL
ANALOG
INPUT
V
REF+
DC LEVEL AT 1/2 V
REF
V
REF-
V
REF+
V
REF-
OUTPUT FROM
1-BIT DAC
OVERSAMPLING
CLOCK
MAX110
MAX111
Figure 2. ADC Waveforms During a Conversion
Figure 1. Functional Diagram
IN1+
IN1-
IN2+
IN2-
REF+
REF-
IN+
IN-
INPUT
MUX
Gm
Gm
INTEGRATOR
∫
UP/DOWN
COUNTER
-
Σ
DITHER
GENERATOR
SERIAL
SHIFT
REGISTER
16
DIN
SCLK CS
16
16
16
CONTROL
REGISTER
DOUT
BUSY
RCSEL
XCLK
OSC
TIMER + CONTROL
LOGIC + CLOCK GENERATOR
DIVIDER
NETWORK,
DIVIDE BY
1, 2, OR 4
RC
OSCILLATOR
MAX110
MAX111
相关PDF资料 |
PDF描述 |
|---|---|
| MAX110BEPE | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
| MAX111BCAP | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
| MAX111BCPE | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
| MAX111BCWE | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
| MAX110BCWE | Low-Cost, 2-Channel, 【14-Bit Serial ADCs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX110BEAP-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 |
| MAX110BEPE | 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 |
| MAX110BEPE+ | 功能描述:模数转换器 - ADC 2Ch +/-14Bit Serial 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 |
| MAX110BEWE | 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 |
| MAX110BEWE+ | 功能描述:模数转换器 - ADC 2Ch +/-14Bit Serial 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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