參數(shù)資料
          型號(hào): LTC2444CUHF#PBF
          廠商: Linear Technology
          文件頁(yè)數(shù): 12/28頁(yè)
          文件大?。?/td> 0K
          描述: IC ADC 24BIT HI SPEED 38QFN
          標(biāo)準(zhǔn)包裝: 52
          位數(shù): 24
          采樣率(每秒): 8k
          數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
          轉(zhuǎn)換器數(shù)目: 1
          功率耗散(最大): 40mW
          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: 38-WFQFN 裸露焊盤(pán)
          供應(yīng)商設(shè)備封裝: 38-QFN(5x7)
          包裝: 管件
          輸入數(shù)目和類型: 8 個(gè)單端,雙極;4 個(gè)差分,雙極
          產(chǎn)品目錄頁(yè)面: 1348 (CN2011-ZH PDF)
          LTC2444/LTC2445/
          LTC2448/LTC2449
          2
          2444589fb
          ORDER PART
          NUMBER
          ORDER PART
          NUMBER
          ABSOLUTE
          AXI U
          RATI GS
          W
          WW
          U
          PACKAGE/ORDER I FOR ATIO
          UU
          W
          (Notes 1, 2)
          Supply Voltage (VCC) to GND.......................– 0.3V to 6V
          Analog Input Pins Voltage
          to GND .................................... – 0.3V to (VCC + 0.3V)
          Reference Input Pins Voltage
          to GND .................................... – 0.3V to (VCC + 0.3V)
          Digital Input Voltage to GND ........ – 0.3V to (VCC + 0.3V)
          Digital Output Voltage to GND ..... – 0.3V to (VCC + 0.3V)
          TJMAX = 125°C, θJA = 34°C/W
          EXPOSED PAD (PIN 39) IS GND
          MUST BE SOLDERED TO PCB
          LTC2444CUHF
          LTC2444IUHF
          QFN PART MARKING*
          2444
          Operating Temperature Range
          LTC2444C/LTC2445C/
          LTC2448C/LTC2449C .............................. 0
          °C to 70°C
          LTC2444I/LTC2445I/
          LTC2448I/LTC2449I ........................... – 40
          °C to 85°C
          Storage Temperature Range ................. – 65
          °C to 150°C
          LTC2448CUHF
          LTC2448IUHF
          QFN PART MARKING*
          2448
          13 14 15 16
          TOP VIEW
          UHF PACKAGE
          38-LEAD (5mm
          × 7mm) PLASTIC QFN
          17 18 19
          38 37 36 35 34 33 32
          24
          25
          26
          27
          28
          29
          30
          31
          8
          7
          6
          5
          4
          3
          2
          1
          GND
          BUSY
          EXT
          GND
          COM
          NC
          CH0
          CH1
          NC
          GND
          REF
          REF+
          VCC
          NC
          CH7
          CH6
          NC
          SCK
          SDO
          CS
          F
          O
          SDI
          GND
          CH2
          CH3
          NC
          CH4
          CH5
          NC
          23
          22
          21
          20
          9
          10
          11
          12
          39
          ORDER PART
          NUMBER
          ORDER PART
          NUMBER
          TJMAX = 125°C, θJA = 34°C/W
          EXPOSED PAD (PIN 39) IS GND
          MUST BE SOLDERED TO PCB
          LTC2445CUHF
          LTC2445IUHF
          QFN PART MARKING*
          2445
          *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges.
          LTC2449CUHF
          LTC2449IUHF
          QFN PART MARKING*
          2449
          TJMAX = 125°C, θJA = 34°C/W
          EXPOSED PAD (PIN 39) IS GND
          MUST BE SOLDERED TO PCB
          13 14 15 16
          TOP VIEW
          UHF PACKAGE
          38-LEAD (5mm
          × 7mm) PLASTIC QFN
          17 18 19
          38 37 36 35 34 33 32
          24
          25
          26
          27
          28
          29
          30
          31
          8
          7
          6
          5
          4
          3
          2
          1
          GND
          BUSY
          EXT
          GND
          COM
          NC
          CH0
          CH1
          NC
          GND
          REF
          REF+
          VCC
          MUXOUTN
          ADCINN
          ADCINP
          MUXOUTP
          NC
          CH7
          CH6
          NC
          SCK
          SDO
          CS
          F
          O
          SDI
          GND
          CH2
          CH3
          NC
          CH4
          CH5
          NC
          23
          22
          21
          20
          9
          10
          11
          12
          39
          13 14 15 16
          TOP VIEW
          UHF PACKAGE
          38-LEAD (5mm
          × 7mm) PLASTIC QFN
          17 18 19
          38
          39
          37 36 35 34 33 32
          24
          25
          26
          27
          28
          29
          30
          31
          8
          7
          6
          5
          4
          3
          2
          1
          GND
          BUSY
          EXT
          GND
          COM
          CH0
          CH1
          CH2
          CH3
          CH4
          GND
          REF
          REF+
          VCC
          NC
          CH15
          CH14
          CH13
          CH12
          SCK
          SDO
          CS
          F
          O
          SDI
          GND
          CH5
          CH6
          CH7
          CH8
          CH9
          CH10
          CH11
          23
          22
          21
          20
          9
          10
          11
          12
          13 14 15 16
          TOP VIEW
          UHF PACKAGE
          38-LEAD (5mm
          × 7mm) PLASTIC QFN
          17 18 19
          38 37 36 35 34 33 32
          24
          25
          26
          27
          28
          39
          29
          30
          31
          8
          7
          6
          5
          4
          3
          2
          1
          GND
          BUSY
          EXT
          GND
          COM
          CH0
          CH1
          CH2
          CH3
          CH4
          GND
          REF
          REF+
          VCC
          MUXOUTN
          ADCINN
          ADCINP
          MUXOUTP
          CH15
          CH14
          CH13
          CH12
          SCK
          SDO
          CS
          F
          O
          SDI
          GND
          CH5
          CH6
          CH7
          CH8
          CH9
          CH10
          CH11
          23
          22
          21
          20
          9
          10
          11
          12
          TJMAX = 125°C, θJA = 34°C/W
          EXPOSED PAD (PIN 39) IS GND
          MUST BE SOLDERED TO PCB
          Order Options Tape and Reel: Add #TR
          Lead Free: Add #PBF
          Lead Free Tape and Reel: Add #TRPBF
          Lead Free Part Marking: http://www.linear.com/leadfree/
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