参数资料
型号: MAX149BCAP+
厂商: Maxim Integrated Products
文件页数: 18/23页
文件大小: 0K
描述: IC ADC 10BIT SERIAL 20-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 66
位数: 10
采样率(每秒): 133k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 640mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 管件
输入数目和类型: 8 个单端,单极;8 个单端,双极;4 个差分,单极;4 个差分,双极
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
4
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V; COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX149—4.7FF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX, unless
otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIN, SCLK, CS Input High Voltage
VIH
VDD ≤ 3.6V
2.0
V
VDD > 3.6V
3.0
DIN, SCLK, CS Input Low Voltage
VIL
0.8
V
DIN, SCLK, CS Input Hysteresis
VHYST
0.2
V
DIN, SCLK, CS Input Leakage
IIN
VIN = 0 or VDD
±0.01
±1
μA
DIN, SCLK, CS Input Capacitance
CIN
(Note 10)
15
pF
SHDN Input High Voltage
VSH
VDD -
0.4
V
SHDN Input Mid Voltage
VSM
1.1
VDD -
1.1
V
SHDN Input Low Voltage
VSL
0.4
V
SHDN Input Current
IS
SHDN = 0 or VDD
±4.0
μA
SHDN Voltage, Unconnected
VFLT
SHDN = unconnected
VDD/2
V
SHDN Maximum Allowed
Leakage, Mid Input
SHDN = unconnected
±100
nA
DIGITAL OUTPUTS (DOUT, SSTRB)
Output-Voltage Low
VOL
ISINK = 5mA
0.4
V
ISINK = 16mA
0.8
Output-Voltage High
VOH
ISOURCE = 0.5mA
VDD -
0.5
V
Three-State Leakage Current
IL
CS = VDD
±0.01
±10
μA
Three-State Output Capacitance
COUT
CS = VDD (Note 10)
15
pF
POWER REQUIREMENTS
Positive Supply Voltage
VDD
2.70
5.25
V
Positive Supply Current
IDD
Operating mode, full-scale
input (Note 11)
VDD = 5.25V
1.6
3.0
mA
VDD = 3.6V
1.2
2.0
Full power-down
VDD = 5.25V
3.5
15
μA
VDD = 3.6V
1.2
10
Fast power-down (MAX149)
30
70
Supply Rejection (Note 12)
PSR
Full-scale input, external reference =
2.500V, VDD = 2.7V to 5.25V
±0.3
mV
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相关代理商/技术参数
参数描述
MAX149BCAP+ 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5.25V 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
MAX149BCAP+T 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5.25V 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
MAX149BCAP-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
MAX149BCPP 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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
MAX149BCPP+ 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5.25V 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