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参数资料
| 型号： | MAX1238EEE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | CAP .0012UF 100V PPS FILM ECH-S |
| 中文描述： | 12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封装： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件页数： | 3/22页 |
| 文件大小： | 407K |
| 代理商： | MAX1238EEE |
M
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 2.7V to 3.6V (MAX1237/MAX1239), V
DD
= 4.5V to 5.5V (MAX1236/MAX1238), V
REF
= 2.048V (MAX1237/MAX1239), V
REF
=
4.096V (MAX1236/MAX1238), C
REF
= 0.1μF, f
SCL
= 1.7MHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25
°
C, see Tables 1
–
5 for programming notation.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
51
MAX
UNITS
Internal clock, SCAN[1:0] = 01
Internal clock, SCAN[1:0] = 00
CS[3:0] = 1011 (MAX1238/MAX1239)
51
Throughput Rate
f
SAMPLE
External clock
94.4
ksps
Track/Hold Acquisition Time
Internal Clock Frequency
800
ns
MHz
2.8
60
30
External clock, fast mode
External clock, high-speed mode
Aperture Delay (Note 5)
t
AD
ns
ANALOG INPUT (AIN0–AIN11)
Unipolar
Bipolar
ON/OFF leakage current, V
AIN
_ = 0 or V
DD
0
0
V
REF
±
V
REF
/2
±
1
Input-Voltage Range, Single-
Ended and Differential (Note 6)
V
Input Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE (Note 7)
±
0.01
22
μA
pF
C
IN
MAX1237/MAX1239
MAX1236/MAX1238
1.968
3.936
2.048
4.096
2.128
4.256
Reference Voltage
V
REF
T
A
= +25
°
C
V
Reference-Voltage Temperature
Coefficient
TCV
REF
25
ppm/
°
C
REF Short-Circuit Current
REF Source Impedance
2
mA
k
1.5
EXTERNAL REFERENCE
REF Input-Voltage Range
REF Input Current
DIGITAL INPUTS/OUTPUTS (SCL, SDA)
Input-High Voltage
Input-Low Voltage
Input Hysteresis
Input Current
Input Capacitance
Output Low Voltage
V
REF
I
REF
(Note 8)
f
SAMPLE
= 94.4ksps
1
V
DD
40
V
μA
V
IH
V
IL
V
HYST
I
IN
C
IN
V
OL
0.7
V
DD
V
V
V
μA
pF
V
0.3
V
DD
0.1
V
DD
V
IN
= 0 to V
DD
±
10
15
I
SINK
= 3mA
0.4
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1239EEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1237LEUA | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1238KEEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1239KEEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1236EUA | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1238EEE/V+ | 功能描述:模数转换器 - ADC 12-Bit 12Ch 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 |
| MAX1238EEE/V+T | 功能描述:模数转换器 - ADC 12-Bit 12Ch 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 |
| MAX1238EEE+ | 功能描述:模数转换器 - ADC 12-Bit 12Ch 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 |
| MAX1238EEE+ | 制造商:Maxim Integrated Products 功能描述:12BIT ADC LOW POWER SMD QSOP16 制造商:Maxim Integrated Products 功能描述:12BIT ADC LOW POWER, SMD, QSOP16 |
| MAX1238EEE+T | 功能描述:模数转换器 - ADC 12-Bit 12Ch 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 |
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