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參數(shù)資料
| 型號(hào)： | MAX1104EUA+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 16/17頁(yè) |
| 文件大小： | 0K |
| 描述： | IC CODEC 8BIT 8-UMAX |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 通用 |
| 數(shù)據(jù)接口： | * |
| 分辨率（位）： | 8 b |
| ADC / DAC 數(shù)量： | 1 / 1 |
| 三角積分調(diào)變： | 無(wú) |
| 動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： | 59 / 55 |
| 電壓 - 電源，模擬： | 2.7 V ~ 5.5 V |
| 電壓 - 電源，數(shù)字： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-uMAX |
| 包裝： | 管件 |
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MAX1102/MAX1103/MAX1104
Detailed Description
The MAX1102/MAX1103/MAX1104 are 8-bit CODECs in
a compact 8-pin package. These devices consist of an
8-bit ADC, an 8-bit DAC, track/hold (T/H), DAC output
buffer amplifier, internal voltage reference, input multi-
plexer (mux) and a 6MHz SPI, QSPI and MICROWIRE
compatible 4-wire serial interface. A single 8-bit word
configures the MAX1102/MAX1103/MAX1104, provid-
ing a simple interface to a microcontroller (C).
Analog-to-Digital Converter
The MAX1102/MAX1103/MAX1104 ADC section uses a
successive-approximation (SAR) conversion technique
and input T/H circuitry to convert an analog signal to an
8-bit digital output. No external hold capacitors are
required. The MAX1102/MAX1103 have an input multi-
plexer that directs either AIN or VDD/2 to the input of
the T/H, allowing these devices to either convert the
analog input, or monitor the power supply. Figure 1
shows the detailed functional diagram of the ADC
block.
ADC Operation
The input architecture of the ADC is illustrated in Figure
2, the equivalent input circuit, and is composed of the
T/H, input mux (MAX1102/MAX1103), input comparator,
switched capacitor DAC, and the auto-zero rail. The
switched capacitor DAC is independent of the R-2R
ladder DAC and does not provide the converted analog
output on OUT.
The T/H is in hold mode while a conversion is taking
place. Once the conversion is completed, the T/H
enters acquisition mode, and tracks the input signal
until the start of the next conversion. In single conver-
sion mode, conversion starts at the falling clock edge
corresponding to the last bit of the control word. In con-
tinuous conversion mode, the first conversion following
the control word starts on the falling clock edge of the
8-Bit CODECs
8
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1VDD
Voltage Supply
2
GND
Ground
3
AIN
ADC Analog Input
4
OUT
DAC Analog Voltage Output
5
CS
Chip Select Input. Device ignores all logic signals when CS is high.
6
SCLK
Serial Clock Input. Data in is latched on the rising edge, data out transitions on the falling edge.
7
DOUT
ADC Digital Output. Output is high impedance when CS is high.
8
DIN
DAC Digital Input. Input ignores all signals when CS is high.
DIN
ANALOG
INPUT
MUX
ANALOG
INPUT
MUX
CONTROL
LOGIC/2
AIN
VDD/2
T/H
SCLK
CS
MAX1102
MAX1103
SUCCESSIVE
APPROXIMATION
REGISTER
INTERNAL
OSCILLATOR
INTERNAL
OSCILLATOR
DOUT
CHARGE
REDISTRIBUTION
DAC
OUTPUT
SHIFT
REGISTER
Figure 1. ADC Detailed Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1104EUA+ | 功能描述:ADC / DAC多通道 8-Bit CODEC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX1104EUA+T | 功能描述:ADC / DAC多通道 8-Bit CODEC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX1104EUA+TW | 功能描述:ADC / DAC多通道 8-Bit CODEC +2.7V to +5.5V Single Supply RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX1104EUA+W | 功能描述:ADC / DAC多通道 8-Bit CODEC +2.7V to +5.5V Single Supply RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX11054 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs |
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