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參數(shù)資料
| 型號： | MAX11047ECB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/25頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT PAR 250KSPS 64TQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 功率耗散（最大）： | 3.48W |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | * |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | * |
| 輸入數(shù)目和類型： | 4 個單端，單極 |
MAX11047–MAX11049/MAX11057–MAX11059
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
14
______________________________________________________________________________________
Detailed Description
The MAX11047/MAX11048/MAX11049 and MAX11057/
MAX11058/MAX11059 are fast, low-power ADCs that
combine 4, 6, or 8 independent ADC channels in a sin-
gle IC. Each channel includes simultaneously sampling
independent T/H circuitry that preserves relative phase
information between inputs making the devices ideal for
motor control and power monitoring. The devices are
available with a 0 to 5V input range that features
±20mA overrange, fault-tolerant inputs. The devices
operate with a single 4.75V to 5.25V supply. A separate
2.7V to 5.25V supply for digital circuitry makes the
devices compatible with low-voltage processors.
The devices perform conversions for all channels in paral-
lel by activating independent ADCs. Results are available
through a high-speed, 20MHz, parallel data bus after a
conversion time of 3s following the end of a sample. The
data bus is bidirectional and allows for easy program-
ming of the configuration register. The devices feature a
reference buffer, which is driven by an internal bandgap
reference circuit (VREFIO = 4.096V). Drive REFIO with an
external reference or bypass with a 0.1F capacitor to
ground when using the internal reference.
Analog Inputs
Track and Hold (T/H)
To preserve phase information across all channels,
each input includes a dedicated T/H circuitry. The input
tracking circuitry provides a 4MHz small-signal band-
width, enabling the device to digitize high-speed tran-
sient events and measure periodic signals with
bandwidths exceeding the ADC’s sampling rate by
using undersampling techniques. Use anti-alias filtering
to avoid high-frequency signals being aliased into the
frequency band of interest.
Pin Description (continued)
PIN
MAX11057
(TQFP-EP)
MAX11058
(TQFP-EP)
MAX11059
(TQFP-EP)
NAME
FUNCTION
41
REFIO
External Reference Input/Internal Reference Output. Place a 0.1F capacitor
from REFIO to AGND.
42
39
37
CH2
Channel 2 Analog Input
44
42
39
CH3
Channel 3 Analog Input
—
44
42
CH4
Channel 4 Analog Input
—
47
44
CH5
Channel 5 Analog Input
—
47
CH6
Channel 6 Analog Input
—
50
CH7
Channel 7 Analog Input
61
WR
Active-Low Write Input. Drive WR low to write to the ADC. Configuration
registers are loaded on the rising edge of WR.
62
CS
Active-Low Chip-Select Input. Drive CS low when reading from or writing to
the ADC.
63
RD
Active-Low Read Input. Drive RD low to read from the ADC. Each rising edge
of RD advances the channel output on the data bus.
64
DB13
14-Bit Parallel Data Bus Digital Out Bit 13
——
—
EP
Exposed Pad. Internally connected to AGND. Connect to a large ground
plane to maximize thermal performance. Not intended as an electrical
connection point.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11047ECB+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16Bit 4Ch Simult Sampling 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 |
| MAX11047ECB+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16Bit 4Ch Simult Sampling 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 |
| MAX11047ETN+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16Bit 4Ch Simult Sampling 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 |
| MAX11047ETN+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16Bit 4Ch Simult Sampling 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 |
| MAX11048 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:4-/6-/8-Channel, 16-Bit, Simultaneous-Sampling ADCs |
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