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参数资料
| 型号： | MAX1236KEUA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| 中文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封装： | MICRO MAX PACKAGE-8 |
| 文件页数： | 6/22页 |
| 文件大小： | 407K |
| 代理商： | MAX1236KEUA |
M
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 3.3V (MAX1237/MAX1239), V
DD
= 5V (MAX1236/MAX1238), f
SCL
= 1.7MHz, (50% duty cycle), f
SAMPLE
= 94.4ksps, single-
ended, unipolar, T
A
= +25
°
C, unless otherwise noted.)
-0.5
-0.2
-0.4
-0.3
0.2
0.1
0.1
0
0.3
0.5
0
4000
DIFFERENTIAL NONLINEARITY
vs. DIGITAL CODE
M
DIGITAL OUTPUT CODE
D
1000 1500
500
2000 2500 3000 3500
0.4
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
INTEGRAL NONLINEARITY
vs. DIGITAL CODE
M
DIGITAL OUTPUT CODE
I
0
4000
1000 1500
500
2000 2500 3000 3500
-180
-160
-140
-120
-100
-80
-60
0
10k
20k
30k
40k
50k
FFT PLOT
M
FREQUENCY (Hz)
A
f
SAMPLE
= 94.4ksps
f
IN
300
400
350
500
450
600
550
650
750
700
800
-40
-10
5
-25
20
35
50
65
80
SUPPLY CURRENT vs. TEMPERATURE
(MAX1238/MAX1239)
M
TEMPERATURE (
°
C)
S
μ
A
INTERNAL REFERENCE MAX1239/MAX1237
INTERNAL REFERENCE MAX1238/MAX1236
EXTERNAL REFERENCE MAX1238/MAX1236
EXTERNAL REFERENCE MAX1239/MAX1237
SETUP BYTE
EXT REF: 10111011
INT REF: 11011011
0
0.2
0.1
0.4
0.3
0.5
0.6
2.7
5.2
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
INPUT VOLTAGE (V)
I
D
μ
A
3.7
3.2
4.2
4.7
SDA = SCL = V
DD
0
0.10
0.05
0.20
0.15
0.30
0.25
0.35
0.45
0.40
0.50
-40
-10
5
-25
20
35
50
65
80
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
μ
A
MAX1238
MAX1239
and for the MAX1236/MAX1238 where N is the number of bits and V
REF
.
Note 10:
A master device must provide a data hold time for SDA (referred to V
IL
of SCL) in order to bridge the undefined region of
SCL
’
s falling edge (see Figure 1).
Note 11:
C
B
= total capacitance of one bus line in pF.
Note 12:
f
SCL
must meet the minimum clock low time plus the rise/fall times.
V
V
V
V
V
V
V
FS
FS
REF
N
(5 5
)
(4 5
)
(5 5
.
)
2
1
4 5
[
]
×
TIMING CHARACTERISTICS (Figure 1) (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.)
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1236 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1237 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1238 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1237MEUA | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1236MEUA | 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 |
|---|---|
| MAX1236KEUA+ | 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 |
| MAX1236KEUA+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 |
| MAX1236KEUA-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 |
| MAX1236LEUA | 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 |
| MAX1236LEUA+ | 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 |
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