参数资料
型号: MAX1294ACEI
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: ADC
英文描述: 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
中文描述: 6-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28
封装: 0.150 INCH, 0.025 INCH PITCH, QSOP-28
文件页数: 3/20页
文件大小: 226K
代理商: MAX1294ACEI
I
DD
I
DD
M
420ksps, +5V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +5V ±10%, COM = GND, REFADJ = V
DD
, V
REF
= +2.5V, 4.7μF capacitor at REF pin, f
CLK
= 7.6MHz (50% duty cycle),
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Shutdown mode
V
REF
= 2.5V, f
SAMPLE
= 420ksps
0 to 0.5mA output load
To power down the internal reference
For small adjustments
On/off-leakage current, V
IN
= 0 or V
DD
Unipolar, V
COM
= 0
Bipolar, V
COM
= V
REF
/2
2
μA
μA
200
300
I
REF
V
1.0
V
DD
+
50mV
V
REF
REF Input Voltage Range
μF
4.7
10
Capacitive Bypass at REF
EXTERNAL REFERENCE AT REF
μF
0.01
1
Capacitive Bypass at REFADJ
mV/mA
0.2
0.5
Load Regulation (Note 7)
V
V
DD
- 1
REFADJ High Threshold
mV
±100
REFADJ Input Range
ppm/°C
±20
TC
REF
REF Temperature Coefficient
mA
15
REF Short-Circuit Current
V
2.49
2.5
2.51
REF Output Voltage
pF
12
C
IN
Input Capacitance
INTERNAL REFERENCE
μA
±0.01
±1
Multiplexer Leakage Current
V
0
V
REF
V
IN
Analog Input Voltage Range
Single-Ended and Differential
(Note 6)
-V
REF
/2
+V
REF
/2
CS
= V
DD
CS
= V
DD
I
SOURCE
= 1mA
I
SINK
= 1.6mA
V
IN
= 0 or V
DD
μA
pF
±0.1
15
±1
I
LEAKAGE
C
OUT
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
V
V
DD
- 0.5
V
OH
Output Voltage High
V
0.4
V
OL
Output Voltage Low
pF
15
C
IN
Input Capacitance
μA
±0.1
±1
I
IN
Input Leakage Current
mV
200
V
HYS
Input Hysteresis
V
0.8
V
IL
Input Voltage Low
V
4.0
V
IH
Input Voltage High
V
4.5
5.5
2.9
2.5
1.2
V
DD
Analog Supply Voltage
2.6
2.2
1.0
REF Input Current
External reference
Internal reference
External reference
0.5
2
0.8
10
mA
Power-Supply Rejection
PSR
V
DD
= 5V ±10%, full-scale input
±0.3
±0.7
mV
Positive Supply Current
Shutdown mode
μA
ANALOG INPUTS
DIGITAL INPUTS AND OUTPUTS
Internal reference
Operating mode,
f
SAMPLE
= 420ksps
Standby mode
相关PDF资料
PDF描述
MAX1294BCEI 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1296ACEG 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1296AEEG 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1296BEEG 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1294AEEI 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
相关代理商/技术参数
参数描述
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