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參數(shù)資料
| 型號： | MAX146BEAP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 23/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC LP 12-BIT 133KSPS 20-SSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,000 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 133k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 640mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 20-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極 |
MAX146/MAX147
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
8
_______________________________________________________________________________________
NAME
FUNCTION
1–8
CH0–CH7
Sampling Analog Inputs
PIN
9
COM
Ground reference for analog inputs. COM sets zero-code voltage in single-ended mode. Must be
stable to ±0.5LSB.
10
SHDN
Three-Level Shutdown Input. Pulling SHDN low shuts the MAX146/MAX147 down; otherwise, they are
fully operational. Pulling SHDN high puts the reference-buffer amplifier in internal compensation mode.
Letting SHDN float puts the reference-buffer amplifier in external compensation mode.
15
DOUT
Serial Data Output. Data is clocked out at SCLK’s falling edge. High impedance when CS is high.
14
DGND
Digital Ground
13
AGND
Analog Ground
11
VREF
Reference-Buffer Output/ADC Reference Input. Reference voltage for analog-to-digital conversion.
In internal reference mode (MAX146 only), the reference buffer provides a 2.500V nominal output,
externally adjustable at REFADJ. In external reference mode, disable the internal buffer by pulling
REFADJ to VDD.
19
SCLK
Serial Clock Input. Clocks data in and out of serial interface. In external clock mode, SCLK also sets
the conversion speed. (Duty cycle must be 40% to 60%.)
18
CS
Active-Low Chip Select. Data will not be clocked into DIN unless CS is low. When CS is high, DOUT is
high impedance.
17
DIN
Serial Data Input. Data is clocked in at SCLK’s rising edge.
16
SSTRB
Serial Strobe Output. In internal clock mode, SSTRB goes low when the MAX146/MAX147 begin the
A/D conversion, and goes high when the conversion is finished. In external clock mode, SSTRB pulses
high for one clock period before the MSB decision. High impedance when CS is high (external clock
mode).
______________________________________________________________Pin Description
VDD
6k
DGND
DOUT
CLOAD
50pF
CLOAD
50pF
DGND
6k
DOUT
a) High-Z to VOH and VOL to VOH
b) High-Z to VOL and VOH to VOL
VDD
6k
DGND
DOUT
CLOAD
50pF
CLOAD
50pF
DGND
6k
DOUT
a) VOH to High-Z
b) VOL to High-Z
Figure 1. Load Circuits for Enable Time
Figure 2. Load Circuits for Disable Time
12
REFADJ
Input to the Reference-Buffer Amplifier. To disable the reference-buffer amplifier, tie REFADJ to VDD.
20
VDD
Positive Supply Voltage
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX146BEPP | 功能描述:模數(shù)轉換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX146BEPP+ | 功能描述:模數(shù)轉換器 - ADC 12-Bit 8Ch 133ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX146BMJP | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX14703DEMBD# | 制造商:Maxim Integrated Products 功能描述:DEMOBOARD 1A ADJUSTABLE OVERCURRENT AND OVERVOLTAGE PROTECTO - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:DEMO BOARD FOR MAX14703 |
| MAX14703ETE+ | 制造商:Maxim Integrated Products 功能描述:1A ADJUSTABLE OVERCURRENT AND OVERVOLTAGE PROTECTOR - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC ADJ OV/OC PROTECTOR QFN |
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