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參數(shù)資料
| 型號： | MAX110BEWE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/24頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 2CH 16-SOIC |
| 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)： | 14 |
| 采樣率（每秒）： | 50 |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 762mW |
| 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： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個單端，單極；2 個差分，雙極 |
MAX110/MAX111
Low-Cost, 2-Channel, ±14-Bit Serial ADCs
______________________________________________________________________________________
11
ADC Operation
The output data from the MAX110/MAX111 is arranged
in twos-complement format (Figures 4, 5). The sign bit
(POL) is shifted out first, followed by the overrange bit
(OR), and the 14 data bits (MSB first) (see Figure 6).
The MAX110 operates from ±5V power supplies and
converts low-frequency analog signals in the ±3V
range when using the maximum reference voltage of
VREF = 3V (VREF = VREF+ - VREF-). Within the ±3V input
range, greater accuracy is obtained within ±2.5V (see
Electrical Characteristics for details). Note that a nega-
tive input voltage is defined as VIN- > VIN+. For the
MAX110, the absolute voltage at any analog input pin
must remain within the (VSS + 2.25V) to (VDD - 2.25V)
range.
The MAX111 operates from a single +5V supply and
converts low-frequency differential analog signals in the
±1.5V range when using the maximum reference volt-
age of VREF = 1.5V. As indicated in the Electrical
Characteristics, greater accuracy is achieved within the
±1.2V range. The absolute voltage at any analog input
pin for the MAX111 must remain within 0V to VDD - 3.2V.
When VIN- > VIN+ the input is interpreted as negative.
The overrange bit (OFL) is provided to sense when the
input voltage level has exceeded the reference voltage
level. The converter does not “saturate” until the input
voltage is typically 20% larger. The linearity is not guar-
anteed in this range. Note that the overrange bit works
properly if the reference voltage remains within the rec-
ommended voltage range (see
Reference Inputs). If the
reference voltage exceeds the recommended input
range, the overrange bit may not operate properly.
Digital Interface—Starting a Conversion
Data is transferred into and out of the serial I/O shift
register by pulling CS low and applying a serial clock
at SCLK. This fully static shift register allows SCLK to
range from DC to 2MHz. Output data from the ADC is
clocked out on SCLK’s falling edge and should be read
on SCLK’s rising edge. Input data to the ADC at DIN is
clocked in on SCLK’s rising edge. A new conversion
begins when CS returns high, provided the MSB in the
input control word (NO-OP) is a 1 (see
Using the
MAX110/MAX111 with MICROWIRE, SPI, and QSPI
Serial Interfaces). Figure 6 shows the detailed serial-
interface timing diagram.
C
CS
S must remain high during the conversion (while
BUSY remains low). Bringing CS low during the conver-
sion causes the ADC to stop converting, and may
result in erroneous output data.
Using the MAX110/MAX111 with SPI, QSPI, and
MICROWIRE Serial Interfaces
Figure 7 shows the most common serial-interface con-
nections. The MAX110/MAX111 are compatible with
SPI, QSPI (CPHA = 0, CPOL = 0), and MICROWIRE
serial-interface standards.
XCLK
TTL/CMOS
RCSEL
GND
+5V
-5V (0V)
( ) ARE FOR MAX111.
VDD
VSS (AGND)
MAX110
MAX111
Figure 3b. Connection for Internal RC-Oscillator Mode—XCLK
connects to the internal RC oscillator. Note, the pull-up resistor
is not necessary if the internal oscillator is never shut down.
XCLK
RCSEL
1M
GND
+5V
-5V (0V)
VDD
+5V
VSS (AGND)
MAX110
MAX111
( ) ARE FOR MAX111.
Figure 3a. Connection for External-Clock Mode
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參數(shù)描述 |
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| MAX110BMJE | 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 |
| MAX110CAP | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog-to-Digital Converter， 15-Bit |
| MAX110CPE | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog-to-Digital Converter， 15-Bit |
| MAX110CWE | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog-to-Digital Converter， 15-Bit |
| MAX110EAP | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog-to-Digital Converter， 15-Bit |
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