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參數(shù)資料
| 型號： | MAX1079ETC+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 1.5MSPS 12-TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 1.5M |
| 數(shù)據接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 22mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 12-WQFN 裸露焊盤 |
| 供應商設備封裝： | 12-TQFN-EP（4x4） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
MAX1077/MAX1079
1.5Msps, Single-Supply, Low-Power, True-
Differential, 10-Bit ADCs with Internal Reference
______________________________________________________________________________________
15
transmit-data register more than once. For single conver-
sions, idle CNVST high and pulse it low for the entire
conversion. The ADSP21_ _ _ STCTL and SRCTL regis-
ters should be configured for late framing (LAFR = 1)
and for an active-low frame (LTFS = 1, LRFS = 1) signal.
This is also the best way to enter the power-down modes
by setting the word length to 8 bits (SLEN = 1001).
Connect the VL pin to the ADSP21_ _ _ supply voltage
when the MAX1077/MAX1079 are operating with a sup-
ply 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 VDD power supply can
affect the ADC’s high-speed comparator. Bypass this
supply to the single-point analog ground with 0.01F
and 10F 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 MAX1077/MAX1079 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 (tAJ) is the sample-to-sample variation in
the time between the samples.
0
D9D8
D7D6
D5D4D3
D2D1
D0
S1
S0
0
DOUT
SCLK
CNVST
0
S0
1
Figure 17. DSP Interface—Continuous Conversion
0
D9
D8
D7
D6
D5
D4
D3
D2D1D0
S1
S0
0
DOUT
SCLK
CNVST
0
1
Figure 18. DSP Interface—Single-Conversion, Continuous/Burst Clock
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX107ECS | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier |
| MAX107ECS+ | 功能描述:模數(shù)轉換器 - ADC Dual 6-Bit 400Msps w/OnChip Wdbnd InAmp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX107ECS+T | 功能描述:模數(shù)轉換器 - ADC Dual 6-Bit 400Msps w/OnChip Wdbnd InAmp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX107ECS-D | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| MAX107ECS-TD | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
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