AD7457BRT-REEL7 datasheet(8/20 Pages) AD

部品番号	AD7457BRT-REEL7

部品情報	Low Power, Pseudo Differential, 100 kSPS

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AD7457

Rev. A | Page 8 of 20

TYPICAL PERFORMANCE CHARACTERISTICS

TA = 25°C, fS = 100 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted.

FREQUENCY (kHz)

65

10

20

50

70

75

VDD = 3V

30

40

VDD = 5V

Figure 5. SINAD vs. Analog Input Frequency for VDD = 3 V and 5 V

0

–20

–40

–80

–60

–120

–100

–140

SUPPLY RIPPLE FREQUENCY (kHz)

0

100

200

300

400

500

900

1000

VDD = 5V

VDD = 3V

100mV p-p SINE WAVE ON VDD

NO DECOUPLING ON VDD

600

700

800

Figure 6. PSRR vs. Supply Ripple Frequency Without Supply Decoupling

FREQUENCY (kHz)

0

–20

–40

–80

–60

–120

–100

–140

0

100

8192 POINT FFT

fSAMPLE = 100kSPS

fIN = 30kHz

SINAD = 71dB

THD = –82dB

SFDR = –83dB

30

50

Figure 7. Dynamic Performance for VDD = 5 V

CODE

1.0

0.8

0.6

0.2

0.4

–0.2

–0.4

–0.6

–0.8

0

–1.0

0

1024

3072

2048

4096

Figure 8. Typical DNL for the AD7457 for VDD = 5 V

CODE

1.0

0.8

0.6

0.2

0.4

–0.2

–0.4

–0.6

–0.8

0

–1.0

0

1024

3072

2048

4096

Figure 9. Typical INL for the AD7457 for VDD = 5 V

CODES

0

2046

2047

2048

2049

2050

2051

27 CODES

24 CODES

9949

CODES

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

10,000

Figure 10. Histogram of 10,000 Conversions of a DC Input

同様の部品番号 - AD7457BRT-REEL7

メーカー	部品番号	データシート	部品情報
Analog Devices	AD7457BRT-REEL7	509Kb / 20P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. 0
	AD7457BRT-REEL7	491Kb / 21P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23 REV. A
	AD7457BRT-REEL7	343Kb / 21P	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23

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同様の説明 - AD7457BRT-REEL7

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