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參數(shù)資料
| 型號： | MAX107ECS |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier |
| 中文描述： | 2-CH 6-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQFP80 |
| 封裝： | 12 X 12 MM, 1 MM HEIGHT, EXPOSED PAD, TQFP-80 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大小： | 1423K |
| 代理商： | MAX107ECS |
Detailed Description
The MAX107 is a dual, +5V, 6-bit, 400Msps 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 maximum of 1LSB. An
integrated 6:12 output demultiplexer simplifies interfac-
ing to the part by reducing the output data rate to one-
half the sampling clock rate. The MAX107 outputs data
in LVDS two
’
s complement format.
When clocked at 400Msps, the MAX107 provides a typ-
ical signal-to-noise plus distortion (SINAD) of 36.7dB
with a 125MHz input tone. The analog input of the
MAX107 is designed for differential or single-ended use
with a ±400mV full-scale input range. In addition, the
MAX107 features an on-board +2.5V precision
bandgap reference, which is scaled to meet the analog
input full-scale range.
Principle of Operation
The MAX107 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 200MHz 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
signal-to-noise ratio (SNR) specifications will degrade.
The MAX107
’
s on-board, wide-bandwidth input ampli-
M
Dual, 6-Bit, 400Msps 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 0.01
μ
F in parallel with 47pF for proper operation.
I-Channel Outputs, Digital Ground.
Connect to designated digital ground (OGND) on PC board
for proper operation.
66, 71
OGNDI
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX107ECS+ | 功能描述:模數(shù)轉(zhuǎn)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(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 |
| MAX107ECS+T | 功能描述:模數(shù)轉(zhuǎn)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(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 |
| MAX107ECS-D | 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 |
| MAX107ECS-TD | 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 |
| MAX107EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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