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参数资料
| 型号： | MAX1284-MAX1285 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | ADC |
| 英文描述： | Enhanced Product 1.5 Degrees C Accurate Digital Temperature Sensor W/Spi Interface 6-SOT-23 -40 to 125 |
| 中文描述： | 400ksps/300ksps，单电源，低功耗，串行12的内部参考位ADC |
| 文件页数： | 7/15页 |
| 文件大小： | 210K |
| 代理商： | MAX1284-MAX1285 |
M
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(MAX1284: V
DD
= +5.0V, f
SCLK
= 6.4MHz, MAX1285: V
DD
= +3.0V, f
SCLK
= 4.8MHz; C
LOAD
= 20pF, 4.7μF capacitor at REF,
T
A
= +25
°
C, unless otherwise noted.)
1.5
1.8
2.4
2.1
2.7
3.0
-40
0
-20
20
40
60
80
100
SUPPLY CURRENT vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
V
DD
= 5V, CONVERTING
V
DD
= 3V, CONVERTING
V
DD
= 5V, STATIC
V
DD
= 3V, STATIC
Serial Clock Input. SCLK drives the conversion process and clocks data out at rates up to 6.4MHz
(MAX1284) or 4.8MHz (MAX1285).
PIN
Positive Supply Voltage
V
DD
1
FUNCTION
NAME
Sampling Analog Input, 0 to V
REF
range
AIN
2
Analog and Digital Ground
GND
5
Active-Low Chip Select. Initiates conversions on the falling edge. When
CS
is high, DOUT is high
impedance.
CS
7
Reference Voltage for Analog-to-Digital Conversion. Internal 2.5V reference output. Bypass with 4.7μF
capacitor.
REF
4
Active-Low Shutdown Input. Pulling
SHDN
low shuts down the device and reduces the supply current
to 2μA (typ).
SHDN
3
SCLK
8
Pin Description
1.50
2.00
1.75
2.50
2.25
2.75
3.00
2.5
3.5
SUPPLY VOLTAGE (V)
4.0
3.0
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
M
S
CONVERTING
SCLK = 6.4MHz
CONVERTING
SCLK = 4.8MHz
STATIC
CODE = 1111 1111 1111
R
L
=
∞
C
L
= 10pF
Serial Data Output DOUT changes state at SCLK
’
s rising edge High impedance when CS is high.
DOUT
6
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1284BCSA | 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference |
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| MAX1287EKA | PLASTIC ENCAPSULATED DEVICES |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1285BCSA | 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 |
| MAX1285BCSA+ | 功能描述:模数转换器 - ADC 12-Bit 300ksps 3.6V 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 |
| MAX1285BCSA+T | 功能描述:模数转换器 - ADC 12-Bit 300ksps 3.6V 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 |
| MAX1285BCSA-T | 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 |
| MAX1285BESA | 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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