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參數(shù)資料
| 型號： | MAX1071CTC-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
| 中文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC12 |
| 封裝： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220-WGGB, TQFN-12 |
| 文件頁數(shù)： | 15/18頁 |
| 文件大小： | 1222K |
| 代理商： | MAX1071CTC-T |
M
1.5Msps, Single-Supply, Low-Power,
True-Differential, 10-Bit ADCs
______________________________________________________________________________________
15
registers should be configured for late framing (LAFR =
1) and for an active-low frame (LTFS = 1, LRFS = 1) sig-
nal. This is also the best way to enter the power-down
modes by setting the word length to 8 bits (SLEN =
1001). Connect the V
L
pin to the ADSP21_ _ _ supply
voltage when the MAX1070/MAX1071 are operating with
a supply voltage higher than the DSP supply voltage
(see Figures 17 and 18).
Layout, Grounding, and Bypassing
For best performance, use PC boards. Wire-wrap
boards are not recommended. Board layout should
ensure that digital and analog signal lines are separat-
ed from each other. Do not run analog and digital
(especially clock) lines parallel to one another, or digital
lines underneath the ADC package.
Figure 20 shows the recommended system ground
connections. Establish a single-point analog ground
(star ground point) at GND, separate from the logic
ground. Connect all other analog grounds and DGND
to this star ground point for further noise reduction. The
ground return to the power supply for this ground
should be low impedance and as short as possible for
noise-free operation.
High-frequency noise in the V
DD
power supply can
affect the ADC’s high-speed comparator. Bypass this
supply to the single-point analog ground with 0.01μF
and 10μF bypass capacitors. Minimize capacitor lead
lengths for best supply-noise rejection.
Definitions
Integral Nonlinearity
Integral nonlinearity (INL) is the deviation of the values on
an actual transfer function from a straight line. This
straight line can be either a best-straight-line fit or a line
drawn between the end points of the transfer function,
once offset and gain errors have been nullified. The static
linearity parameters for the MAX1070/MAX1071 are mea-
sured using the end-points method.
Differential Nonlinearity
Differential nonlinearity (DNL) is the difference between
an actual step width and the ideal value of 1 LSB. A DNL
error specification of 1 LSB or less guarantees no missing
codes and a monotonic transfer function.
Aperture Jitter
Aperture jitter (t
AJ
) is the sample-to-sample variation in
the time between the samples.
Aperture Delay
Aperture delay (t
AD
) is the time defined between the
falling edge of CNVST and the instant when an actual
sample is taken.
0
0
0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
S1
S0
0
DOUT
SCLK
CNVST
0
0
S0
1
1
Figure 17. DSP Interface—Continuous Conversion
0
0
0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
S1
S0
0
DOUT
SCLK
CNVST
0
0
1
1
Figure 18. DSP Interface—Single-Conversion, Continuous/Burst Clock
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PDF描述 |
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| MAX1070CTC-T | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
| MAX1070 | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
| MAX1070ETC-T | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
| MAX1071ETC-T | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
| MAX1072CTC-T | 1.8Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1071ETC | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1071ETC+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10Bit 1.5Msps Single Sply True Diff 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1071ETC+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10Bit 1.5Msps Single Sply True Diff 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1071ETC-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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1072 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1.8Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs |
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