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參數(shù)資料
| 型號： | MAX105 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual, 6-Bit, 800Msps ADC with On-Chip, Wideband Input Amplifier |
| 中文描述： | 雙路、6位、800Msps ADC，帶有片上寬帶輸入放大器 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大?。?/td> | 669K |
| 代理商： | MAX105 |
Detailed Description
The MAX105 is a dual, +5V, 6-bit, 800Msps flash ana-
log-to-digital converter (ADC), designed for high-
speed, high-bandwidth I&Q digitizing. Each ADC
(Figure 1) employs a fully differential, wide bandwidth
input stage, 6-bit quantizers and a unique encoding
scheme to limit metastable states to typically one error
per 10
16
clock cycles, with no error exceeding a maxi-
mum of 1LSB. An integrated 6:12 output demultiplexer
simplifies interfacing to the part by reducing the output
data rate to one-half the sampling clock rate. The
MAX105 outputs data in LVDS two
’
s complement for-
mat.
When clocked at 800Msps, the MAX105 provides a typ-
ical signal-to-noise plus distortion (SINAD) of 36.4dB
with a 200MHz input tone. The analog input of the
MAX105 is designed for differential or single-ended use
with a ±400mV full-scale input range. In addition, the
MAX105 features an on-board +2.5V precision
bandgap reference, which is scaled to meet the analog
input full-scale range.
Principle of Operation
The MAX105 employs a flash or parallel architecture.
The key to this high-speed flash architecture is the use
of an innovative, high-performance comparator design.
Each quantizer and downstream logic translates the
comparator outputs into 6-bit, parallel codes in two
’
s
complement format and passes them on to the internal
6:12 demultiplexer. The demultiplexer enables the
ADCs to provide their output data at half the sampling
speed on primary and auxiliary ports. LVDS data is
available at speeds of up to 400MHz per output port.
Input Amplifier Circuits
As with all ADCs, if the input waveform is changing
rapidly during conversion, effective number of bits
(ENOB), signal-to-noise plus distortion (SINAD), and
M
Dual, 6-Bit, 800Msps ADC with On-Chip,
Wideband Input Amplifier
______________________________________________________________________________________
11
PIN
NAME
FUNCTION
62
P2I+
Primary Output Data Bit 2, I-Channel
63
A2I-
Complementary Auxiliary Output Data Bit 2, I-Channel
64
A2I+
Auxiliary Output Data Bit 2, I-Channel
65, 72
OV
CC
I
I-Channel Outputs, Digital Supply. Supplies I-channel output drivers and DREADY circuit. Bypass to
OGND with 0.01μF in parallel with 47pF for proper operation.
66, 71
OGNDI
I-Channel Outputs, Digital Ground.
Connect to designated digital ground (OGND) on PC board
for proper operation.
67
P3I-
Complementary Primary Output Data Bit 3, I-Channel
68
P3I+
Primary Output Data Bit 3, I-Channel
69
A3I-
Complementary Auxiliary Output Data Bit 3, I-Channel
70
A3I+
Auxiliary Output Data Bit 3, I-Channel
73
P4I-
Complementary Primary Output Data Bit 4, I-Channel
74
P4I+
Primary Output Data Bit 4, I-Channel
75
A4I-
Complementary Auxiliary Output Data Bit 4, I-Channel
76
A4I+
Auxiliary Output Data Bit 4, I-Channel
77
P5I-
Complementary Primary Output Data Bit 5, I-Channel
78
P5I+
Primary Output Data Bit 5, I-Channel
79
A5I-
Complementary Auxiliary Output Data Bit 5, I-Channel
80
A5I+
Auxiliary Output Data Bit 5, I-Channel
Pin Description (continued)
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1057 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports |
| MAX1057BETM | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX1057BETM+ | 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns & GPIO Port RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX1057BETM+T | 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns & GPIO Port RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX1057BETM-T | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
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