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参数资料
| 型号： | MAX1444EHJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/20页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 40MSPS 32-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 360 |
| 位数： | 10 |
| 采样率（每秒）： | 40M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 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： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（5x5） |
| 包装： | 托盘 |
| 输入数目和类型： | 2 个单端，双极；1 个差分，双极 |
| 产品目录页面： | 1397 (CN2011-ZH PDF) |
MAX1444
10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Hysteresis
VHYST
0.1
V
IIH
VIH = VDD = OVDD
±5
Input Leakage
IIL
VIL = 0V
±5
A
Input Capacitance
CIN
5pF
DIGITAL OUTPUTS (D9–D0)
Output Voltage Low
VOL
ISINK = 200
μA
0.2
V
Output Voltage High
VOH
ISOURCE = 200
μA
OVDD -
0.2
V
Three-State Leakage Current
ILEAK
OE = OVDD
±10
A
Three-State Output Capacitance
COUT
OE = OVDD
5pF
POWER REQUIREMENTS
Analog Supply Voltage
VDD
2.7
3.0
3.6
V
Output Supply Voltage
OVDD
1.7
3.0
3.6
V
Operating, fIN = 19.91MHz at -0.5dBFS
19
27
mA
Analog Supply Current
IVDD
Shutdown, clock idle, PD =
OE = OVDD
415
A
Operating, fIN = 19.91MHz at -0.5dBFS
4.5
mA
Output Supply Current
IOVDD
Shutdown, clock idle, PD =
OE = OVDD
120
A
Offset
±0.1
mV/V
Power-Supply Rejection
PSRR
Gain
±0.1
%/V
TIMING CHARACTERISTICS
CLK Rise to Output Data Valid
tDO
Figure 6 (Note 3)
5
8
ns
OE Fall to Output Enable
tENABLE
Figure 5
10
ns
OE Rise to Output Disable
tDISABLE
Figure 5
15
ns
CLK Pulse Width High
tCH
Figure 6, clock period 25ns
12.5
±3.8
ns
CLK Pulse Width Low
tCL
Figure 6, clock period 25ns
12.5
±3.8
ns
Wake-up Time
tWAKE
(Note 4)
1.7
s
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3V; OVDD = 2.7V; 0.1F and 1F capacitors from REFP, REFN, and COM to GND; VREFIN = 2.048V; REFOUT connected to
REFIN through a 10k
Ω resistor; VIN = 2VP-P (differential with respect to COM); CL = 10pF at digital outputs; fCLK = 40MHz; TA = TMIN
to TMAX, unless otherwise noted. ≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization; typi-
cal values are at TA = +25°C.)
Note 1: SNR, SINAD, THD, SFDR, and HD3 are based on an analog input voltage of -0.5dBFS referenced to a 1.024V full-scale
input voltage range.
Note 2: Intermodulation distortion is the total power of the intermodulation products relative to the individual carrier. This number is
6dB better if referenced to the two-tone envelope.
Note 3: Digital outputs settle to VIH, VIL.
Note 4: REFIN is driven externally. REFP, COM, and REFN are left open while powered down.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1444EHJ/V+ | 功能描述:模数转换器 - ADC ANALOG TO DIGITAL CONVERTER 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 |
| MAX1444EHJ/V+T | 功能描述:模数转换器 - ADC 10-Bit 40Msps 3.0V Low-Power ADC with Internal Reference 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 |
| MAX1444EHJ+ | 功能描述:模数转换器 - ADC 10-Bit 40Msps 3V High Speed 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 |
| MAX1444EHJ+T | 功能描述:模数转换器 - ADC 10-Bit 40Msps 3V High Speed 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 |
| MAX1444EHJ-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 |
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