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MAX1112/MAX1113
+5V, Low-Power, Multi-Channel,
Serial 8-Bit ADCs
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7
Pin Description
16
SSTRB
Serial-Strobe Output. In internal clock mode, SSTRB goes low when the MAX1112/
MAX1113 begin the A/D conversion and goes high when the conversion is complete.
In external clock mode, SSTRB pulses high for two clock periods before the MSB is
shifted out. High impedance when CS is high (external clock mode only).
20
VDD
Positive Supply Voltage, 4.5V to 5.5V. Bypass to AGND with 0.1F and 1F capacitor
as close as possible to the device. Place the 0.1F capacitor closer to VP-P.
18
CS
Active-Low Chip Select. Data is not clocked into DIN unless CS is low. When CS is
high, DOUT is high impedance.
19
SCLK
Serial-Clock Input. Clocks data in and out of serial interface. In external clock mode,
SCLK also sets the conversion speed (duty cycle must be 45% to 55%).
17
DIN
Serial-Data Input. Data is clocked in at SCLK’s rising edge.
12
REFOUT
Internal Reference Generator Output. Bypass with a 1F capacitor to AGND.
14
DGND
Digital Ground
15
DOUT
Serial-Data Output. Data is clocked out on SCLK’s falling edge. High impedance when
CS is high.
13
AGND
Analog Ground
10
SHDN
Three-Level Shutdown Input. Normally high impedance. Pulling SHDN low shuts the
MAX1112/MAX1113 down to 10A (max) supply current; otherwise, the devices are
fully operational. Pulling SHDN high shuts down the internal reference.
11
REFIN
Reference Voltage Input for Analog-to-Digital Conversion. Connect to REFOUT to use
the internal reference.
5–8
CH4–CH7
Sampling Analog Inputs
1–4
CH0–CH3
Sampling Analog Inputs
+5V
3k
Ω
CLOAD
DGND
DOUT
CLOAD
DGND
3k
Ω
DOUT
a) High-Z to VOH and VOL to VOH
b) High-Z to VOL and VOH to VOL
Figure 1. Load Circuits for Enable Time
+5V
3k
Ω
CLOAD
DGND
DOUT
CLOAD
DGND
3k
Ω
DOUT
a) VOH to High-Z
b) VOL to High-Z
Figure 2. Load Circuits for Disable Time
12
16
14
15
13
8
10
11
9
6
7
—
1–4
5
9
COM
Ground Reference for Analog Inputs. Sets zero-code voltage in single-ended mode.
Must be stable to ±0.5 LSB.
PIN
MAX1113
NAME
FUNCTION
MAX1112
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相关代理商/技术参数
MAX1113EEE 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
MAX1113EEE+ 功能描述:模数转换器 - ADC 5V Low-Power Multi Ch 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
MAX1113EEE+T 功能描述:模数转换器 - ADC 5V Low-Power Multi Ch 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
MAX1113EEE-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
MAX1113EPE 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
MAX1113EPE+ 功能描述:模数转换器 - ADC 5V Low-Power Multi Ch 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
MAX1113MJE 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
MAX1114 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:8-Bit, 150Msps Flash ADC