AD7622BSTZ datasheet(13/29 Pages) AD

номер детали	AD7622BSTZ

подробное описание детали	1.5 LSB INL, 2 MSPS PulSAR ADC

PDF	29 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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13 / 29 page

AD7622

Rev. 0 | Page 12 of 28

TYPICAL PERFORMANCE CHARACTERISTICS

1.50

–0.50

0.50

1.00

–1.50

–1.00

16384

32768

49152

65536

CODE

POSITIVE INL = +0.43 LSB

NEGATIVE INL = –0.49 LSB

Figure 6. Integral Nonlinearity vs. Code

50000

100000

150000

200000

250000

7FF8 7FF9 7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000

27695

196433

CODES IN HEX

σ = 0.5

VREF = 2.5V

36872

Figure 7. Histogram of 261,120 Conversions of a DC Input at

the Code Center (External Reference)

TEMPERATURE (°C)

2.0470

2.0472

2.0474

2.0476

2.0478

2.0480

2.0482

2.0484

2.0486

–55

–35

–15

105

125

Figure 8. Typical Reference Voltage Output vs. Temperature (2 Units)

1.25

–1.00

–0.75

–0.50

–0.25

0.25

0.50

0.75

1.00

16384

32768

49152

65536

CODE

Figure 9. Differential Nonlinearity vs. Code

784

37789

457

40000

80000

120000

160000

200000

7FF8 7FF9 7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000

50640

171449

CODES IN HEX

σ = 0.5

VREF = 2.048V

Figure 10. Histogram of 261,120 Conversions of a DC Input at

the Code Center (Internal Reference)

TEMPERATURE (°C)

–4

–3

–2

–1

–55

–35

–15

105

125

ZERO ERROR

GAIN ERROR

Figure 11. Zero Error, Gain Error vs. Temperature

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