參數(shù)資料
型號(hào)： MAX1081ACUP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 300ksps/400ksps, Single-Supply, Low-Power, 8-Channel, Serial 10-Bit ADCs with Internal Reference
中文描述： 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： 4.40 MM, 0.65 MM PITCH, MO-153AD, TSSOP-20
文件頁(yè)數(shù)： 22/24頁(yè)
文件大?。?/td> 550K
代理商： MAX1081ACUP
Signal-to-Noise Plus Distortion (SINAD)
SINAD is the ratio of the fundamental input frequency’s
RMS amplitude to RMS equivalent of all other ADC out-
put signals:
SINAD (dB) = 20
log (Signal
RMS
/ Noise
RMS
)
Effective Number of Bits (ENOB)
ENOB indicates the global accuracy of an ADC at a
specific input frequency and sampling rate. An ideal
ADC’s error consists only of quantization noise. With an
input range equal to the ADC’s full-scale range, calcu-
late ENOB as follows:
ENOB = (SINAD - 1.76) / 6.02
Total Harmonic Distortion (THD)
THD is the ratio of the RMS sum of the input signal’s
first five harmonics to the fundamental itself. This is
expressed as:
where V
1
is the fundamental amplitude, and V
2
through
V
5
are the amplitudes of the 2nd- through 5th-order
harmonics.
Spurious-Free Dynamic Range (SFDR)
SFDR is the ratio of the RMS amplitude of the funda-
mental (maximum signal component) to the RMS value
of the next-largest distortion component.
THD 20
log
V
V
V
V
V
V
22
32
42
42
52
1
×
+
+
+
+
M
300ksps/400ksps, Single-Supply, Low-Power,
8-Channel, Serial 10-Bit ADCs with Internal Reference
22
______________________________________________________________________________________
SCLK
DIN
DOUT
SSTRB
SEL2
START
SEL1
SEL0
PD1
PD0
CS
UNI/BIP
SGI/DIF
B8
S1
MSB
S0
HIGH IMPEDANCE
HIGH IMPEDANCE
Figure 19. MAX1080/MAX1081-to-TMS320 Serial Interface
PART
TEMP.
RANGE
PIN-
PACKAGE
MAX1080BEUP
MAX1081ACUP
MAX1081BCUP
MAX1081AEUP
MAX1081BEUP
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
±1
±1/2
±1
±1/2
±1
INL
(LSB)
0°C to +70°C
Ordering Information (continued)
Typical Operating Circuit
V
DD
I/O
SCK (SK)
MOSI (SO)
MISO (SI)
V
SS
SHDN
SSTRB
DOUT
DIN
SCLK
CS
COM
GND
V
DD1
V
DD2
CH7
4.7
μ
F
0.1
μ
F
CH0
0 TO
+2.5V
ANALOG
INPUTS
MAX1080
MAX1081
CPU
+5V OR
+3V
REF
0.01
μ
F
REFADJ
V
DD2
Chip Information
TRANSISTOR COUNT: 4286
PROCESS: BiCMOS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1081ACUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3V 400ksps Low-Power 8Ch Serial 10-Bit 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
MAX1081ACUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3V 400ksps Low-Power 8Ch Serial 10-Bit 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
MAX1081ACUP-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
MAX1081AEUP 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
MAX1081AEUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3V 400ksps Low-Power 8Ch Serial 10-Bit 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
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