参数资料
型号: MAX1294ACEI+
厂商: Maxim Integrated Products
文件页数: 13/19页
文件大小: 0K
描述: IC ADC 12BIT 420KSPS 28-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
位数: 12
采样率(每秒): 420k
数据接口: 并联
转换器数目: 1
功率耗散(最大): 667mW
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: 28-SSOP(0.154",3.90mm 宽)
供应商设备封装: 28-QSOP
包装: 管件
输入数目和类型: 6 个单端,单极;6 个单端,双极;3 个伪差分,单极;3 个伪差分,双极
IDD
MAX1294/MAX1296
420ksps, +5V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +5V ±10%, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7F capacitor at REF pin, fCLK = 7.6MHz (50% duty cycle),
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Shutdown mode
VREF = 2.5V, fSAMPLE = 420ksps
0 to 0.5mA output load
To power down the internal reference
For small adjustments
On/off-leakage current, VIN = 0 or VDD
Unipolar, VCOM = 0
Bipolar, VCOM = VREF / 2
2
A
200
300
IREF
V
1.0
VDD +
50mV
VREF
REF Input Voltage Range
F
4.7
10
Capacitive Bypass at REF
F
0.01
1
Capacitive Bypass at REFADJ
mV/mA
0.2
Load Regulation (Note 7)
V
VDD - 1
REFADJ High Threshold
mV
±100
REFADJ Input Range
ppm/°C
±20
TCREF
REF Temperature Coefficient
mA
15
REF Short-Circuit Current
V
2.49
2.5
2.51
REF Output Voltage
pF
12
CIN
Input Capacitance
A
±0.01
±1
Multiplexer Leakage Current
V
0
VREF
VIN
Analog Input Voltage Range
Single-Ended and Differential
(Note 6)
-VREF/2
+VREF/2
CS = VDD
ISOURCE = 1mA
ISINK = 1.6mA
VIN = 0 or VDD
A
±0.1
±1
ILEAKAGE
Three-State Leakage Current
V
VDD - 0.5
VOH
Output Voltage High
V
0.4
VOL
Output Voltage Low
pF
15
CIN
Input Capacitance
A
±0.1
±1
IIN
Input Leakage Current
mV
200
VHYS
Input Hysteresis
V
0.8
VIL
Input Voltage Low
V
4.0
VIH
Input Voltage High
CS = VDD
V
4.5
5.5
VDD
Analog Supply Voltage
pF
15
COUT
Three-State Output Capacitance
3.3
3.6
REF Input Current
A
External reference
2.8
3.1
External reference
0.5
0.8
mA
Internal reference
1.0
1.2
Power-Supply Rejection
PSR
VDD = 5V ±10%, full-scale input
±0.3
±0.9
mV
Positive Supply Current
IDD
Shutdown mode
210
A
ANALOG INPUTS
INTERNAL REFERENCE
EXTERNAL REFERENCE AT REF
DIGITAL INPUTS AND OUTPUTS
POWER REQUIREMENTS
Internal reference
Operating mode,
fSAMPLE = 420ksps
Standby mode
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MAX1294ACEI+ 功能描述:模数转换器 - ADC 12-Bit 6Ch 420ksps 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
MAX1294ACEI+T 功能描述:模数转换器 - ADC 12-Bit 6Ch 420ksps 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
MAX1294ACEI-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
MAX1294AEEI 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
MAX1294AEEI+ 功能描述:模数转换器 - ADC 12-Bit 6Ch 420ksps 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