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| 型号： | MAX1229AEEP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/22页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 300KSPS 20-QSOP |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 300k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 727mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 20-QSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 12 个单端，单极；12 个单端，双极；6 个差分，单极；6 个差分，双极 |
MAX1227/MAX1229/MAX1231
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
4
_______________________________________________________________________________________
Note 1: Tested at VDD = +2.7V, unipolar input mode.
Note 2: Offset nulled.
Note 3: Time for reference to power up and settle to within 1 LSB.
Note 4: Conversion time is defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle.
Note 5: The operational input voltage range for each individual input of a differentially configured pair is from GND to VDD. The
operational input voltage difference is from -VREF/2 to +VREF/2.
Note 6: See Figure 3 (Input Equivalent Circuit) and the Typical Operating Curve in the
Sampling Error vs. Source Impedance sec-
tion.
Note 7: Fast automated test, excludes self-heating effects.
Note 8: When CNVST is configured as a digital input, do not apply a voltage between VIL and VIN.
Note 9: Supply current is specified depending on whether an internal or external reference is used for voltage conversions.
Temperature measurements always use the internal reference.
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 2.5V, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS (SCLK, DIN,
CS, CNVST) (Note 8)
Input Voltage Low
VIL
VDD x 0.3
V
Input Voltage High
VIH
VDD x 0.7
V
Input Hysteresis
VHYST
200
mV
Input Leakage Current
IIN
VIN = 0 or VDD
±0.01
±1.0
A
Input Capacitance
CIN
15
pF
DIGITAL OUTPUTS (DOUT,
EOC)
ISINK = 2mA
0.4
Output Voltage Low
VOL
ISINK = 4mA
0.8
V
Output Voltage High
VOH
ISOURCE = 1.5mA
VDD - 0.5
V
Tri-State Leakage Current
IL
CS = VDD
±0.05
±1
A
Tri-State Output Capacitance
COUT
CS = VDD
15
pF
POWER REQUIREMENTS
Supply Voltage
VDD
2.7
3.6
V
During temp sense
2400
2700
fSAMPLE = 300ksps
1750
2000
fSAMPLE = 0, REFon
1000
1200
Internal
reference
Shutdown
0.2
5
During temp sense
1550
2000
fSAMPLE = 300ksps
1050
1200
Supply Current (Note 9)
IDD
External
reference
Shutdown
0.2
5
A
Power-Supply Rejection
PSR
VDD = 2.7V to 3.6V; full-scale input
±0.2
±1
mV
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1229BCEP | 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 |
| MAX1229BCEP+ | 功能描述:模数转换器 - ADC 12-Bit 12Ch 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 |
| MAX1229BCEP+T | 功能描述:模数转换器 - ADC 12-Bit 12Ch 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 |
| MAX1229BCEP-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 |
| MAX1229BEEP | 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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