參數(shù)資料
          型號(hào): AD7734BRU
          廠商: Analog Devices Inc
          文件頁數(shù): 32/32頁
          文件大?。?/td> 0K
          描述: IC ADC 24BIT 4-CH 28-TSSOP
          標(biāo)準(zhǔn)包裝: 1
          位數(shù): 24
          采樣率(每秒): 15.4k
          數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
          轉(zhuǎn)換器數(shù)目: 1
          功率耗散(最大): 100mW
          電壓電源: 模擬和數(shù)字
          工作溫度: -40°C ~ 105°C
          安裝類型: 表面貼裝
          封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
          供應(yīng)商設(shè)備封裝: 28-TSSOP
          包裝: 管件
          輸入數(shù)目和類型: 4 個(gè)單端,單極;4 個(gè)單端,雙極
          配用: EVAL-AD7734EBZ-ND - BOARD EVALUATION FOR AD7734
          Data Sheet
          AD7734
          Rev. A | Page 9 of 32
          TYPICAL PERFORMANCE CHARACTERISTICS
          FILTER WORD
          NO
          MISSING
          CODES
          16
          17
          18
          19
          20
          21
          22
          23
          24
          25
          1
          2
          3
          4
          5
          6
          7
          8
          9
          10
          CHOP = 1
          Figure 5. No Missing Codes Performance, Chopping Enabled
          FILTER WORD
          NO
          MISSING
          CODES
          16
          17
          18
          19
          20
          21
          22
          23
          24
          25
          1
          2
          3
          4
          5
          6
          7
          8
          9
          10
          CHOP = 0
          Figure 6. No Missing Codes Performance, Chopping Disabled
          MCLK FREQUENCY – MHz
          INL
          ppm
          0
          10
          5
          20
          15
          25
          30
          0
          1
          2
          3
          4
          5
          6
          7
          Figure 7. Typical INL vs. MCLK Frequency,
          AIN = ±10 V, BIAS0 to BIAS3, BIASHI = 2.5 V, BIASLO = 0 V
          AIN DIFFERENTIAL VOLTAGE – V
          INL
          ppm
          0
          50
          100
          150
          200
          250
          300
          –20
          –15
          –10
          –5
          0
          5
          10
          15
          20
          MCLK = 6.144MHz
          Figure 8. Typical INL vs. AIN Voltage, AIN Range =±10 V,
          BIAS0 to BIAS3, BIASHI = 2.5 V, BIASLO = O V
          AIN DIFFERENTIAL VOLTAGE – V
          INL
          ppm
          0
          50
          100
          150
          200
          250
          300
          –20
          –15
          –10
          –5
          0
          5
          10
          15
          20
          MCLK = 6.144MHz
          Figure 9. Typical INL vs. AIN Voltage, AIN Range = ±10 V,
          BIAS0 to BIAS3, BIASHI = 2.5 V, BIASLO = 0 V
          MCLK FREQUENCY – MHz
          AV
          DD
          +
          DV
          DD
          CURRENT
          mA
          0
          5
          10
          15
          20
          0
          1
          2
          3
          4
          5
          6
          7
          Figure 10. Typical Supply Current vs. MCLK Frequency,
          Normal Operation, Converting
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