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参数资料
| 型号： | MAX1238EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/22页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX1238 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 94k |
| 数据接口： | 串行 |
| 输入范围： | ±VREF/2 |
| 在以下条件下的电源（标准）： | 3.35mW @ 94kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX1238 |
| 已供物品： | 板，CD |
MAX1236–MAX1239
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
(VDD = 3.3V (MAX1237/MAX1239), VDD = 5V (MAX1236/MAX1238), fSCL = 1.7MHz, (50% duty cycle), fSAMPLE = 94.4ksps, single-
ended, unipolar, TA = +25°C, unless otherwise noted.)
-0.5
-0.2
-0.4
-0.3
0.2
0.1
0
0.3
0.5
0
4000
DIFFERENTIAL NONLINEARITY
vs. DIGITAL CODE
MAX1236
toc01
DIGITAL OUTPUT CODE
DNL
(LSB)
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
MAX1236
toc02
DIGITAL OUTPUT CODE
INL
(LSB)
0
4000
1000 1500
500
2000 2500 3000 3500
-180
-160
-140
-120
-100
-80
-60
0
10k
20k
30k
40k
50k
FFT PLOT
MAX1236
toc03
FREQUENCY (Hz)
AMPLITUDE
(dBc)
fSAMPLE = 94.4ksps
fIN = 10kHz
300
400
350
500
450
600
550
650
750
700
800
-40
-10
5
-25
20
35
50
65
80
SUPPLY CURRENT vs. TEMPERATURE
MAX1236
toc04
TEMPERATURE (
°C)
SUPPLY
CURRENT
(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
MAX1236
toc05
SUPPLY VOLTAGE (V)
I DD
(μ
A)
3.7
3.2
4.2
4.7
SDA = SCL = VDD
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
MAX1236
toc06
TEMPERATURE (
°C)
SUPPLY
CURRENT
(μ
A)
MAX1238
MAX1239
and for the MAX1236/MAX1238 where N is the number of bits.
Note 10: A master device must provide a data hold time for SDA (referred to VIL of SCL) in order to bridge the undefined region of
SCL’s falling edge (see Figure 1).
Note 11: The minimum value is specified at +25°C.
Note 12: CB = total capacitance of one bus line in pF.
Note 13: fSCL must meet the minimum clock low time plus the rise/fall times.
VV
V
VV
FS
REF
N
(.
)
( .
)
(.
.
)
55
45
21
55
45
[] ×
TIMING CHARACTERISTICS (Figure 1) (continued)
(VDD = 2.7V to 3.6V (MAX1237/MAX1239), VDD = 4.5V to 5.5V (MAX1236/MAX1238), VREF = 2.048V (MAX1237/MAX1239), VREF =
4.096V (MAX1236/MAX1238), fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C, see Tables 1–5 for programming notation.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1238KEEE | 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 |
| MAX1238KEEE+ | 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 |
| MAX1238KEEE+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 |
| MAX1238KEEE-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 |
| MAX1238LEEE | 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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