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參數(shù)資料
| 型號(hào)： | MAX1011 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Power, 90Msps, 6-Bit ADC |
| 中文描述： | 低功耗、90Msps、6位ADC |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 111K |
| 代理商： | MAX1011 |
_______________Detailed Desc ription
Converter Operation
The MAX1011 integrates a 6-bit analog-to-digital con-
verter (ADC), a buffered voltage reference, and oscilla-
tor circuitry. The ADC uses a flash conversion technique
to convert an analog input signal into a 6-bit parallel
digital output code. The MAX1011’s unique design
includes 63 fully differential comparators and a propri-
etary encoding scheme that ensures no more than
1LSB dynamic encoding error. The control logic inter-
faces easily to most digital signal processors (DSPs)
and microprocessors (μPs) with +3.3V CMOS-compati-
ble logic interfaces. Figure 1 shows the MAX1011 in a
typical application.
Programmable Input Amplifier
The MAX1011 has a programmable-gain input amplifier
with a -0.5dB bandwidth of 55MHz and a true differen-
tial input. To maximize performance in high-speed
systems, the amplifier has less than 3pF of input
capacitance. The input amplifier gain is programmed
via the GAIN pin to provide three possible input full-
scale ranges (FSRs) as shown in Table 1.
Single-ended and differential AC-coupled input circuit
examples are shown in Figures 2 and 3. Each of the
M
Low-Power, 90Msps, 6-Bit ADC
_______________________________________________________________________________________
5
Pin Desc ription
PIN
Gain-Select Input. Sets input full-scale range: 125/250/500mVp-p (Table 1).
Positive Offset-Correction Compensation. Connect a 0.22μF capacitor for AC-coupled inputs. Ground
pin 2 for DC-coupled inputs.
GAIN
1
FUNCTION
NAME
OCC+
2
Noninverting Analog Input
Inverting Analog Input
IN+
IN-
4
5
Negative Offset-Correction Compensation. Connect a 0.22μF capacitor for AC-coupled inputs. Ground
pin 3 for DC-coupled inputs.
OCC-
3
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 9).
Positive Oscillator/Clock Input
Negative Oscillator/Clock Input
V
CC
TNK+
TNK-
6
7
8
Analog Ground
GND
9, 10,
12, 13
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 10).
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 13).
V
CC
V
CC
11
14
Digital Clock Output. Frames the output data.
Digital Outputs 0–5. D5 is the most significant bit (MSB).
DCLK
D0–D5
18
Digital Output Supply, +3.3V ±300mV. Bypass with a 47pF capacitor to OGND (pin 16).
V
CCO
17
19–24
250
125
Open
V
CC
GAIN
500
GND
INPUT FULL-SCALE RANGE
(mVp-p)
Table 1. Input Amplifier Programming
No Connection
Digital Output Ground
N.C.
OGND
15
16
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1011CEG | 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 |
| MAX1011CEG+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power 90Msps 6-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 |
| MAX1011CEG+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power 90Msps 6-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 |
| MAX1011CEG-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 |
| MAX1011EVKIT | 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(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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