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參數(shù)資料
| 型號(hào)： | MAX1003CAX |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Low-Power, 90Msps, Dual 6-Bit ADC |
| 中文描述： | DUAL 1-CH 6-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO36 |
| 封裝： | 0.300 INCH, 0.80 MM PITCH, SSOP-36 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 115K |
| 代理商： | MAX1003CAX |
_______________Detailed Desc ription
Converter Operation
The MAX1003 contains two 6-bit analog-to-digital con-
verters (ADCs), a buffered voltage reference, and oscil-
lator circuitry. The ADCs use a flash conversion
technique to convert an analog input signal into a 6-bit
parallel digital output code. The MAX1003’s unique
design includes 63 fully differential comparators and a
proprietary encoding scheme that ensures no more
than 1LSB dynamic encoding error. The control logic
interfaces easily to most digital signal processors
(DSPs) and microprocessors (μPs) with +3.3V CMOS-
compatible logic interfaces. Figure 1 shows the
MAX1003 in a typical application.
Programmable Input Amplifiers
The MAX1003 has two (I and Q) programmable-gain
input amplifiers with a -0.5dB bandwidth of 55MHz and
true differential inputs. To maximize performance in
high-speed systems, each amplifier has less than 5pF
of input capacitance. The input amplifier gain is pro-
grammed, via the GAIN pin, to provide three possible
input full-scale ranges (FSRs) as shown in Table 1.
M
Low-Power, 90Msps, Dual 6-Bit ADC
_______________________________________________________________________________________
5
______________________________________________________________Pin Desc ription
PIN
Gain-Select Input. Sets input full-scale range: 125/250/500mVp-p (Table 1).
Positive I-Channel Offset-Correction Compensation. Connect a 0.22μF capacitor for AC-coupled
inputs. Ground for DC-coupled inputs.
GAIN
1
FUNCTION
NAME
IOCC+
2
I-Channel Noninverting Analog Input
I-Channel Inverting Analog Input
IIN+
IIN-
4
5
Negative I-Channel Offset-Correction Compensation. Connect a 0.22μF capacitor for AC-coupled
inputs. Ground for DC-coupled inputs.
IOCC-
3
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 7).
V
CC
6
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 11).
Positive Oscillator/Clock Input
V
CC
TNK+
8
9
Analog Ground
GND
7, 11, 12,
18, 19
Negative Oscillator/Clock Input
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 12).
TNK-
V
CC
10
13
Q-Channel Inverting Analog Input
Q-Channel Noninverting Analog Input
QIN-
QIN+
14
15
Negative Q-Channel Offset-Correction Compensation. Connect a 0.22μF capacitor for AC-coupled
inputs. Ground for DC-coupled inputs.
QOCC-
16
Q-Channel Digital Outputs 0–5. DQ5 is the most significant bit (MSB).
Digital Output Supply, +3.3V ±300mV. Bypass each with a 47pF capacitor to OGND (pin 27).
DQ5–DQ0
V
CCO
20–25
26, 28
Positive Q-Channel Offset-Correction Compensation. Connect a 0.22μF capacitor for AC-coupled
inputs. Ground for DC-coupled inputs.
QOCC+
17
Digital Output Ground
Digital Clock Output. Frames the output data.
OGND
DCLK
27
29
I-Channel Digital Outputs 0–5. DI5 is the most significant bit (MSB).
+5V ±5% Supply. Bypass with a 0.01μF capacitor to GND (pin 19).
DI0–DI5
V
CC
30–35
36
250
125
Open
V
CC
GAIN
500
GND
INPUT FULL-SCALE RANGE
(mVp-p)
Table 1. Input Amplifier Programming
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| MAX1003CAX+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power 90Msps Dual 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 |
| MAX1003CAX+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Low-Power 90Msps Dual 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 |
| MAX1003CAX-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 |
| MAX1003EVKIT | 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 |
| MAX1005 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:IF Undersampler |
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