参数资料
型号: MAX1242AESA+
厂商: Maxim Integrated Products
文件页数: 7/13页
文件大小: 0K
描述: IC ADC 10BIT SERIAL 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
位数: 10
采样率(每秒): 73k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 471mW
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-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
输入数目和类型: 1 个单端,单极
MAX1242/MAX1243
+2.7V to +5.25V, Low-Power, 10-Bit
Serial ADCs in SO-8
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V; 73ksps; fSCLK = 2.1MHz (50% duty cycle); MAX1242—4.7F capacitor at REF pin, MAX1243—external
reference; VREF = 2.5V applied to REF pin; TA = TMIN to TMAX; unless otherwise noted.)
Capacitive Bypass at REF
4.7
F
Load Regulation (Note 5)
0.35
mV
0mA to 0.2mA output load
REF Temperature Coefficient
±30
ppm/°C
MAX1242
REF Short-Circuit Current
30
mA
REF Output Voltage
2.470
2.500
2.530
V
TA = +25°C (Note 4)
Power-Supply Rejection (Note 7)
PSR
VDD = VDD(min) to VDD(max), full-scale input
1.00
VDD +
50mV
Supply Current
IDD
3.0
0.8
VDD > 3.6V
ISINK = 16mA
Output Voltage High
SCLK, CS Input High Voltage
VIH
2.0
V
SCLK, CS Input Low Voltage
Capacitive Bypass at REF
0.1
F
VIL
0.8
VDD ≤ 3.6V
V
VOH
VDD - 0.5
V
Three-State Leakage Current
IL
±0.01
±10
ISOURCE = 0.5mA
A
CS = VDD
Three-State Output Capacitance
COUT
15
pF
CS = VDD (Note 6)
Output Voltage Low
VOL
0.4
V
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
ISINK = 5mA
SHDN Input Mid Voltage
VSM
1.1
VDD - 1.1
V
SHDN Voltage, Open
VFLT
VDD / 2
V
SHDN Max Allowed Leakage,
Mid Input
±100
SHDN = open
nA
SHDN = open
SCLK, CS Input Capacitance
Input Voltage Range
V
CIN
15
pF
SHDN Input High Voltage
VSH
VDD - 0.4
(Note 6)
V
SHDN Input Low Voltage
VSL
0.4
V
Input Resistance
SHDN Input Current
±4.0
18
25
k
Ω
REF Input Current in Shutdown
A
VSHDN = 0V or VDD
SCLK, CS Input Hysteresis
VHYST
±0.01
10
A
VSHDN = 0V
CONDITIONS
Input Current
0.2
V
SCLK, CS Input Leakage
IIN
±0.01
±1
100
150
A
VIN = 0V or VDD
Operating mode (MAX1242)
VDD = 5.25V
Operating mode (MAX1243)
VDD = 5.25V
VDD = 3.6V
Power-down
VDD = 5.25V
VDD = 3.6V
Supply Voltage
VDD
V
VDD = 3.6V
1.9
10
3.5
15
±0.3
1.6
2.5
0.9
1.5
1.8
3.0
1.4
2.0
2.7
5.25
mA
A
mV
Operating mode (MAX1242)
EXTERNAL REFERENCE (VREF = 2.5V)
INTERNAL REFERENCE (MAX1242 only)
DIGITAL INPUTS: SCLK, C
CS
S, S
SH
HD
DN
N
DIGITAL OUTPUT: DOUT
POWER REQUIREMENTS
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MAX1242AESA+ 功能描述:模数转换器 - ADC 10-Bit 73ksps 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
MAX1242AESA+T 功能描述:模数转换器 - ADC 10-Bit 73ksps 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
MAX1242AESA-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
MAX1242AMJA 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
MAX1242BCPA 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