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參數(shù)資料
| 型號(hào)： | MAX1297BEEG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 265KSPS 24-QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 265k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 667mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類(lèi)型： | 2 個(gè)單端，單極；2 個(gè)單端，雙極；1 個(gè)偽差分，單極；1 個(gè)偽差分，雙極 |
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MAX1295/MAX1297
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
______________________________________________________________________________________
11
Together with the input impedance, this capacitor
forms an RC filter, limiting the ADC’s signal bandwidth.
Input Bandwidth
The MAX1295/MAX1297 T/H stage offers a 250kHz full-
linear and a 3MHz full-power bandwidth. This makes it
possible to digitize high-speed transients and measure
periodic signals with bandwidths exceeding the ADC’s
sampling rate by using undersampling techniques. To
avoid high-frequency signals being aliased into the fre-
quency band of interest, anti-alias filtering is recom-
mended.
Starting a Conversion
Initiate a conversion by writing a control byte that selects
the multiplexer channel and configures the MAX1295/
MAX1297 for either unipolar or bipolar operation. A
write pulse (WR + CS) can either start an acquisition
interval or initiate a combined acquisition plus conver-
sion. The sampling interval occurs at the end of the
acquisition interval. The acquisition mode (ACQMOD)
bit in the input control byte (Table 1) offers two options
for acquiring the signal: an internal and an external
acquisition. The conversion period lasts for 13 clock
cycles in either the internal or external clock or acquisi-
tion mode. Writing a new control byte during a conver-
sion cycle aborts the conversion and starts a new
acquisition interval.
Internal Acquisition
Select internal acquisition by writing the control byte
with the ACQMOD bit cleared (ACQMOD = 0). This
causes the write pulse to initiate an acquisition interval
whose duration is internally timed. Conversion starts
when this acquisition interval (three external clock
cycles or approximately 1s in internal clock mode)
ends (Figure 4). Note that, when the internal acquisition
is combined with the internal clock, the aperture jitter
can be as high as 200ps. Internal clock users wishing
to achieve the 50ps jitter specification should always
use external acquisition mode.
Figure 4. Conversion Timing Using Internal Acquisition Mode
tCS
tCSWS
tWR
tCONV
tDH
tACQ
tDS
tINT1
tD0
tTR
HIGH-Z
CS
WR
D7–D0
INT
RD
DOUT
ACQMOD = "0"
DATA VALID
CONTROL
BYTE
tCSWH
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| MS27484T20A35PA | CONN PLUG 79POS STRAIGHT W/PINS |
| MAX1296BEEG+T | IC ADC 12BIT 420KSPS 24-QSOP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1298AEAE | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線(xiàn)接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1298AEAE+ | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線(xiàn)接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1298AEAE+T | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE 16SSOP - Tape and Reel |
| MAX1298AEAE-T | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線(xiàn)接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1298BEAE | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線(xiàn)接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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