AD7707 datasheet(39/40 Pages) AD

39 / 40 page

REV. A

AD7707

–39–

Table XXIV. AIN3, Output RMS Noise/Peak-to-Peak Resolution vs. Gain and Output Update Rate @ +3 V

Unbuffered Mode

Filter First

Typical Output RMS Noise in V (Peak-to-Peak Resolution)

Notch and O/P –3 dB

Gain of

Data Rate

Frequency

128

MCLK IN = 2.4576 MHz

10 Hz

2.62 Hz

12.4 (16)

7.02 (16)

3.87 (16)

2.41 (16)

2.39 (16)

2.3 (15.5)

2.29 (14.5)

2.13 (13.5)

50 Hz

13.1 Hz

30.35 (16)

16.4 (16)

9.4 (16)

5.85 (16)

5.2 (15)

4.5 (14.5)

4.5 (13.5)

5.09 (12)

60 Hz

15.72 Hz

34.55 (16)

19.13 (16) 10.9 (16)

6 (16)

5.8 (15)

5.62 (14)

5.2 (13)

6.14 (12)

250 Hz

65.5 Hz

498 (13)

204 (13)

105 (13)

57.5 (13)

27.5 (13)

17.4 (12.5) 12.7 (12)

11.42 (11)

500 Hz

131 Hz

2266 (10.5) 1151 (10.5) 554 (10.5) 280 (10.5) 136 (10.5) 83 (10)

39 (10)

27.5 (9.5)

Table XXV. AIN3, Output RMS Noise/Peak-to-Peak Resolution vs. Gain and Output Update Rate @ +3 V

Buffered Mode

Filter First

Typical Output RMS Noise in V (Peak-to-Peak Resolution)

Notch and O/P –3 dB

Gain of

Data Rate

Frequency

128

MCLK IN = 2.4576 MHz

10 Hz

2.62 Hz

14.84 (16)

8.39 (16)

5.56 (16)

3.45 (16)

3.3 (16)

3.2 (15)

3.2 (14)

3.3 (13)

50 Hz

13.1 Hz

36.1 (16)

18.8 (16)

11.5 (16)

7.5 (15.5)

7.4 (14.5)

7.43 (13.5) 6.8 (12.5)

7 (12)

60 Hz

15.72 Hz

38.8 (16)

21.55 (16) 13.39 (16) 8.5 (15.5)

8.36 (14.5) 8 (13.5)

8.2 (12.5)

7.7 (12)

250 Hz

65.5 Hz

420 (13)

194 (13)

97.6 (13)

54.5 (12.5) 30 (12.5)

22 (12)

18 (11.5)

16.7 (10.5)

500 Hz

131 Hz

2234 (10.5) 1231 (10.5) 534 (10.5) 275 (10.5) 145 (10.5) 71 (10.5)

48 (10)

31 (9.5)

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