参数资料
型号: MAX11645EUA+T
厂商: Maxim Integrated Products
文件页数: 16/22页
文件大小: 0K
描述: IC ADC 12BIT I2C/SRL 1CH 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 12
采样率(每秒): 94.4k
数据接口: I²C,串行
转换器数目: 1
功率耗散(最大): 362mW
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: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;2 个单端,双极;1 个差分,单极;1 个差分,双极
MAX11644/MAX11645
Low-Power, 1-/2-Channel, I2C, 12-Bit ADCs
in Ultra-Tiny 1.9mm x 2.2mm Package
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX11645), VDD = 4.5V to 5.5V (MAX11644), VREF = 2.048V (MAX11645), VREF = 4.096V (MAX11644),
fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C, see Tables 1–5 for programming
notation.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT (AIN0/AIN1)
Unipolar
0
VREF
Input Voltage Range, Single-
Ended and Differential (Note 7)
Bipolar
0
±VREF/2
V
Input Multiplexer Leakage
On/off leakage current, VAIN_ = 0 or VDD
±0.01
±1
μA
Input Capacitance
CIN
22
pF
INTERNAL REFERENCE (Note 8)
MAX11645
1.968
2.048
2.128
Reference Voltage
VREF
TA = +25°C
MAX11644
3.936
4.096
4.256
V
Reference-Voltage Temperature
Coefficient
TCVREF
25
ppm/
°C
REF Short-Circuit Current
2
mA
REF Source Impedance
1.5
k
EXTERNAL REFERENCE
REF Input Voltage Range
VREF
(Note 9)
1
VDD
V
REF Input Current
IREF
fSAMPLE = 94.4ksps
40
μA
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input-High Voltage
VIH
0.7 x VDD
V
Input-Low Voltage
VIL
0.3 x VDD
V
Input Hysteresis
VHYST
0.1 x VDD
V
Input Current
IIN
VIN = 0 to VDD
±10
μA
Input Capacitance
CIN
15
pF
Output Low Voltage
VOL
ISINK = 3mA
0.4
V
POWER REQUIREMENTS
MAX11645
2.7
3.6
Supply Voltage
VDD
MAX11644
4.5
5.5
V
Internal reference
900
1150
fSAMPLE = 94.4ksps
external clock
External reference
670
900
Internal reference
530
fSAMPLE = 40ksps
internal clock
External reference
230
Internal reference
380
fSAMPLE = 10ksps
internal clock
External reference
60
Internal reference
330
fSAMPLE =1ksps
internal clock
External reference
6
Supply Current
IDD
Shutdown (internal REF off)
0.5
10
μA
Power-Supply Rejection Ratio
PSRR
Full-scale input (Note 10)
±0.5
±2.0
LSB/V
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MAX11645EWC+ 制造商:Maxim Integrated Products 功能描述:
MAX11645EWC+T 功能描述:模数转换器 - ADC 12-Bit 2Ch 94.4ksps 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
MAX11646 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 1-/2-Channel, 2-Wire Serial, 10-Bit ADCs
MAX11646EUA+ 功能描述:模数转换器 - ADC 10-Bit 2Ch 94.4ksps 5.5V 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
MAX11646EUA+T 功能描述:模数转换器 - ADC 10-Bit 2Ch 94.4ksps 5.5V 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