參數(shù)資料
型號(hào)： MAX111
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Cost, 2-Channel, 【14-Bit Serial ADCs
中文描述： 低成本、2通道、±14位串行ADC
文件頁(yè)數(shù)： 10/24頁(yè)
文件大小： 411K
代理商： MAX111
M
Low-Cost, 2-Channel, ±14-Bit S erial ADCs
10
______________________________________________________________________________________
Oversampling Cloc k
XCLK internally connects to a clock-frequency divider
network, whose output is the ADC oversampling clock,
f
OSC
. This allows the selected clock source (internal RC
oscillator or external clock applied to XCLK) to be
divided by one, two, or four (see Clock Divider-Ratio
Control Bits).
Figure 3 shows the two methods for providing the over-
sampling clock to the MAX110/MAX111. In external-
clock mode (Figure 3a), the internal RC oscillator is
disabled and XCLK accepts a TTL/CMOS-level clock to
provide the oversampling clock to the ADC.
Select external-clock mode (Figure 3a) by connecting
RCSEL to GND and a TTL/CMOS-compatible clock to
XC LK (see Selecting the Oversampling C lock
Frequency).
In RC-oscillator mode (Figure 3b), the internal RC oscil-
lator is active and its output is connected to XCLK
(Figure 1). Select RC-oscillator mode by connecting
RCSEL to V
DD
. This enables the internal oscillator and
connects it to XCLK for use by the ADC and external
system components. Minimize the capacitive loading on
XCLK when using the internal RC oscillator.
DIFFERENTIAL
ANALOG
INPUT
V
REF+
DC LEVEL AT 1/2 V
REF
V
REF-
V
REF+
V
REF-
OUTPUT FROM
1-BIT DAC
OVERSAMPLING
CLOCK
MAX110
MAX111
Figure 2. ADC Waveforms During a Conversion
Figure 1. Functional Diagram
IN1+
IN1-
IN2+
IN2-
REF+
REF-
IN+
IN-
INPUT
MUX
Gm
Gm
INTEGRATOR
∫
UP/DOWN
COUNTER
-
Σ
DITHER
GENERATOR
SERIAL
SHIFT
REGISTER
16
DIN
SCLK CS
16
16
16
CONTROL
REGISTER
DOUT
BUSY
RCSEL
XCLK
OSC
TIMER + CONTROL
LOGIC + CLOCK GENERATOR
DIVIDER
NETWORK,
DIVIDE BY
1, 2, OR 4
RC
OSCILLATOR
MAX110
MAX111
相關(guān)PDF資料
PDF描述
MAX110AEWE Low-Cost, 2-Channel, 【14-Bit Serial ADCs
MAX111AEWE Low-Cost, 2-Channel, 【14-Bit Serial ADCs
MAX110-MAX111 Low-Cost, 2-Channel, 【14-Bit Serial ADCs
MAX110BEAP Low-Cost, 2-Channel, 【14-Bit Serial ADCs
MAX110BEPE Low-Cost, 2-Channel, 【14-Bit Serial ADCs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1110 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+2.7V, Low-Power, Multichannel, Serial 8-Bit ADCs
MAX1110_11 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+2.7V, Low-Power, Multichannel, Serial 8-Bit ADCs
MAX11100 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:16-Bit, +5V, 200ksps ADC with 10μA Shutdown
MAX11100EUB 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:16-Bit, +5V, 200ksps ADC with 10μA Shutdown
MAX11100EUB+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 5V 200ksps w/10uA Shutdown 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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