參數(shù)資料
型號(hào)： MAX1280BEUP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference
中文描述： 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： 4.40 MM, 0.65 MM PITCH, MO-153AD, TSSOP-20
文件頁數(shù)： 22/24頁
文件大?。?/td> 363K
代理商： MAX1280BEUP
Effective Number of Bits
Effective number of bits (ENOB) indicates the global
accuracy of an ADC at a specific input frequency and
sampling rate. An ideal ADC’s error consists of quanti-
zation noise only. With an input range equal to the full-
scale range of the ADC, calculate the effective number
of bits as follows:
ENOB = (SINAD - 1.76) / 6.02
Total Harmonic Distortion (THD)
Total harmonic distortion (THD) is the ratio of the RMS
sum of the first five harmonics of the input signal to the
fundamental itself. This is expressed as:
where V
1
is the fundamental amplitude, and V
2
through
V5 are the amplitudes of the 2nd- through 5th-order har-
monics, respectively.
Spurious-Free Dynamic Range
Spurious-free dynamic range (SFDR) is the ratio of RMS
amplitude of the fundamental (maximum signal compo-
nent) to the RMS value of the next-largest distortion
component.
___________________Chip Information
TRANSISTOR COUNT: 4286
PROCESS: BiCMOS
THD
20
log
V
V
V
V
V
V
22
32
42
42
52
1
=
×
+
+
+
+
PART
TEMP.
RANGE
PIN-
PACKAGE
INL
(LSB)
MAX1281
BCUP
MAX1281BEUP
0°C to +70°C
-40°C to +85°C
20 TSSOP
20 TSSOP
±1
±1
M
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,
Serial 12-Bit ADCs with Internal Reference
22
______________________________________________________________________________________
SCLK
DIN
DOUT
SSTRB
SEL2
START
SEL1
SEL0
PD1
PD0
CS
UNI/BIP
SGI/DIF
B10
B1
MSB
B0
HIGH IMPEDANCE
HIGH IMPEDANCE
Figure 19. MAX1280/MAX1281-to-TMS320 Serial Interface
Ordering Information (continued)
V
DD
I/O
SCK (SK)
MOSI (SO)
MISO (SI)
V
SS
SSTRB
SHDN
DOUT
DIN
SCLK
COM
GND
V
DD2
V
DD1
CH8
4.7
μ
F
0.1
μ
F
CH0
0 TO
+2.5V
ANALOG
INPUTS
MAX1280
MAX1281
CPU
CS
+5V OR
+3V
REF
0.01
μ
F
REFADJ
Typical Operating Circuit
相關(guān)PDF資料
PDF描述
MAX1281BCUP 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1281BEUP 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1283BCUE 300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1282 300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1282-MAX1283 300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1280BEUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1280BEUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1280BEUP-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1280EVC16 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX1280 Eval System RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX1280EVKIT 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX1280 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
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