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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： 3/15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
________________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
—
MAX1284 (continued)
(V
DD
= +4.5V to +5.5V; f
SCLK
= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), 4.7μF capacitor at REF, T
A
= T
MIN
to
T
MAX,
unless otherwise noted. Typical values are at T
A
= +25
°
C.)
ELECTRICAL CHARACTERISTICS
—
MAX1285
(V
DD
= +2.7V to +3.6V; f
SCLK
= 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), 4.7μF capacitor at REF, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INTERNAL REFERENCE
REF Output Voltage
REF Short-Circuit Current
REF Output Tempco
Load Regulation (Note 5)
Capacitive Bypass at REF
DIGITAL INPUTS (SCLK, CS, SHDN)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output Voltage Low
V
REF
2.48
2.50
30
±15
0.1
2.52
V
T
A
= +25
°
C
mA
TC V
REF
ppm/
°
C
mV/mA
μF
0 to 1mA output load
2.0
10
4.7
V
INH
V
INL
V
HYST
I
IN
C
IN
3.0
V
V
V
μA
pF
0.8
0.2
V
IN
= 0 or V
DD
±1
15
V
OL
V
OH
I
L
C
OUT
I
SINK
= 5mA
I
SOURCE
= 1mA
CS
= +5V
CS
= +5V
0.4
V
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER SUPPLY
Positive Supply Voltage (Note 6)
Positive Supply Current (Note 7)
Shutdown Supply Current
Power-Supply Rejection
4
V
μA
pF
±10
15
VDD
IDD
I
SHDN
PSR
4.5
5.5
4.0
10
±2.0
V
V
DD
= +5.5V
SCLK = V
DD
,
SHDN
= GND
V
DD
= +5V ±10%, midscale input
2.5
2
±0.5
mA
μA
mV
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
(Note 1)
Resolution
Relative Accuracy (Note 2)
Differential Nonlinearity
Offset Error
Gain Error (Note 3)
12
Bits
LSB
LSB
LSB
LSB
INL
DNL
±1.0
±1.0
±6.0
±6.0
No missing codes over temperature
Gain Error Temperature
Coefficient
±1.6
ppm/
°
C
相关PDF资料
PDF描述
MAX1284BCSA 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
MAX1284BESA 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
MAX1285 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
MAX1286 150ksps, 12-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs in SOT23
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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