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參數(shù)資料
| 型號： | MAX1002CAX+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 6BIT 60MSPS DUAL 36-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 位數(shù)： | 6 |
| 采樣率（每秒）： | 60M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 941mW |
| 電壓電源： | 單電源 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-BSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 36-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個單端，單極；2 個差分，單極 |
MAX1002
The MAX1002 features a proprietary encoding scheme
that ensures no more than 1LSB dynamic encoding
error. Dynamic encoding errors resulting from meta-
stable states may occur when the analog input voltage,
at the time the sample is taken, falls close to the deci-
sion point for any one of the input comparators. The
resulting output code for typical converters can be
incorrect, including false full- or zero-scale outputs. The
MAX1002’s unique design reduces the magnitude of
this type of error to 1LSB.
Internal Voltage Reference
An internal buffered bandgap reference is included on
the MAX1002 to drive the ADC’s reference ladders. The
on-chip reference and buffer eliminate any external
(high-impedance) connections to the reference ladder,
minimizing the potential for noise coupling from exter-
nal circuitry while ensuring that the voltage reference,
input amplifier, and reference ladder track well with
variations in temperature and power supplies.
Oscillator Circuit
The MAX1002 includes a differential oscillator, which is
controlled by an external parallel resonant (tank) net-
work (Figure 6). As an alternative, the oscillator may be
overdriven with an external clock source (Figure 7).
Internal-Clock Operation (Tank)
If the tank circuit is used, the resonant inductor should
have a sufficiently high Q and a self-resonant frequen-
cy (SRF) of at least twice the intended oscillator fre-
quency. Coilcraft's 1008HS-221, with a 700MHz SRF
and a Q of 45, works well for this application. Generate
different clock-frequency ranges by adjusting varactor
and tank elements.
An internal-clock-driver buffer is included to provide
sharp clock edges to the internal flash comparators.
The buffer ensures that the comparators are simultane-
ously clocked, maximizing the ADC’s effective number
of bits of performance.
External-Clock Operation
To accommodate designs that use an external clock,
the MAX1002’s internal oscillator can be overdriven by
an external clock source (Figure 7). The external clock
source should be a sinusoid to minimize clock-phase
noise and jitter, which can degrade the ADC’s effective
bits performance. AC couple the clock source (recom-
mended voltage level is approximately 1Vp-p) to the
oscillator inputs (Figure 7).
Low-Power, 60Msps, Dual, 6-Bit ADC
8
_______________________________________________________________________________________
Figure 6. Tank-Resonator Oscillator
Figure 7. External-Clock-Drive Circuit
MAX1002
CL0CK
DRIVER
VARACTOR DIODE PAIR IS M/A-COM MA4ST079CK-287 (SOT23 PACKAGE).
INDUCTOR IS COILCRAFT 1008HS-221.
VTUNE = 0V TO 8V
fOSC = 55MHz TO 65MHz
TNK-
TNK+
VTUNE
220nH
22pF
47pF
47k
10k
MAX1002
CLOCK
DRIVER
TNK-
VCLOCK = 300mVp-p TO 1.25Vp-p
TNK+
50
50
Z0 = 50
50
0.1
F
0.1
F
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| MAX1003CAX | IC ADC DUAL 6-BIT 90MSPS 36-SSOP |
| MAX1011CEG+ | IC ADC 6BIT 90MSPS 24-QSOP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1002EVKIT | 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 |
| MAX1003 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Power, 90Msps, Dual 6-Bit ADC |
| MAX1003CAX | 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 |
| 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 |
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