参数资料
型号: MAX1191ETI+
厂商: Maxim Integrated Products
文件页数: 5/27页
文件大小: 0K
描述: IC ADC 8BIT 7.5MSPS DUAL 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
位数: 8
采样率(每秒): 7.5M
数据接口: 并联
转换器数目: 2
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: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
输入数目和类型: 4 个单端,双极;2 个差分,双极
产品目录页面: 1396 (CN2011-ZH PDF)
MAX1191
Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
______________________________________________________________________________________
13
SUPPLY CURRENT
vs. INPUT FREQUENCY
MAX1191 toc34
fIN (MHz)
DIGITAL
SUPPLY
CURRENT
(mA)
ANALOG
SUPPLY
CURRENT
(mA)
3
2
1
0.5
0.6
0.7
0.8
0.9
0.4
3.9
4.0
4.1
4.2
4.3
3.8
04
DIGITAL SUPPLY CURRENT
ANALOG SUPPLY CURRENT
SUPPLY CURRENT
vs. SAMPLING RATE
MAX1191
toc35
fCLK (MHz)
SUPPLY
CURRENT
(mA)
15
10
5
A: ANALOG SUPPLY CURRENT (IDD) - INTERNAL AND BUFFERED EXTERNAL
REFERENCE MODES
B: ANALOG SUPPLY CURRENT (IDD) - UNBUFFERED EXTERNAL REFERENCE MODE
C: DIGITAL SUPPLY CURRENT (IODD) - ALL REFERENCE MODES
2
4
1
3
5
6
7
0
020
A
B
C
fIN = 2.017059MHz
Pin Description
PIN
NAME
FUNCTION
1
INA-
Channel A Negative Analog Input. For single-ended operation, connect INA- to COM.
2
INA+
Channel A Positive Analog Input. For single-ended operation, connect signal source to INA+.
3, 5, 10
GND
Analog Ground. Connect all GND pins together.
4
CLK
Converter Clock Input
6
INB+
Channel B Positive Analog Input. For single-ended operation, connect signal source to INB+.
7
INB-
Channel B Negative Analog Input. For single-ended operation, connect INB- to COM.
8, 9, 28
VDD
Converter Power Input. Connect to a 2.7V to 3.6V power supply. Bypass VDD to GND with a
combination of a 2.2F capacitor in parallel with a 0.1F capacitor.
11
OGND
Output Driver Ground
12
OVDD
Output Driver Power Input. Connect to a 1.8V to VDD power supply. Bypass OVDD to GND with a
combination of a 2.2F capacitor in parallel with a 0.1F capacitor.
13
D7
Tri-State Digital Output. D7 is the most significant bit (MSB).
14
D6
Tri-State Digital Output
15
D5
Tri-State Digital Output
16
D4
Tri-State Digital Output
17
A/
B
Channel Data Indicator. This digital output indicates channel A data (A/
B = 1) or channel B data
(A/
B = 0) is present on the output.
18
D3
Tri-State Digital Output
19
D2
Tri-State Digital Output
20
D1
Tri-State Digital Output
21
D0
Tri-State Digital Output. D0 is the least significant bit (LSB).
22
PD1
Power-Down Digital Input 1. See Table 3.
Typical Operating Characteristics (continued)
(VDD = 3.0V, OVDD = 1.8V, VREFIN = VDD (internal reference), CL
≈ 10pF at digital outputs, differential input at -0.5dB FS, fCLK =
7.500567MHz at 50% duty cycle, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数
参数描述
MAX1191ETI+ 功能描述:模数转换器 - ADC 8-Bit 2Ch 7.5Msps 3.6V 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
MAX1191ETI+T 功能描述:模数转换器 - ADC 8-Bit 2Ch 7.5Msps 3.6V 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
MAX1191ETI-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
MAX1192ETI 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
MAX1192ETI+ 功能描述:模数转换器 - ADC 8-Bit 2Ch 22Msps 3.6V 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