AD1555BPRL

更新时间： 2024-02-25 18:39:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	419K
描述
24-Bit ADC WITH LOW NOISE PGA

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数据手册

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AD1555BPRL 数据手册

AD1555/AD1556

Table I. Dynamic and Noise Typical Performances

Input and Gain

MODIN

PGA = 1 (0 dB)

PGA = 2.5 (8 dB) PGA = 8.5 (19 dB) PGA = 34 (31 dB) PGA = 128 (42 dB)

Input Range

1.6 V rms

636 mV rms

187 mV rms

47 mV rms

12.4 mV rms

Dynamic Range

F_O= 16 kHz (1/16 ms) 40 dB

40 dB

69 dB

98 dB

117 dB

120 dB

123 dB

126 dB

40 dB

69 dB

98 dB

116.5 dB

119.5 dB

122.5 dB

125.5 dB

40 dB

69 dB

98 dB

114.5 dB

117.5 dB

120 dB

123 dB

40 dB

69 dB

97 dB

106.5 dB

109.5 dB

112.5 dB

115.5 dB

40 dB

69 dB

91 dB

95 dB

98 dB

101 dB

104 dB

_O= 8 kHz (1/8 ms)

69 dB

F_O= 4 kHz (1/4 ms)

F_O= 2 kHz (1/2 ms)

98 dB

117 dB

120 dB

123 dB

126 dB

_O= 1 kHz (1 ms)

F_O= 500 Hz (2 ms)

F_O= 250 Hz (4 ms)

Equivalent Input Noise

F_O= 16 kHz (1/16 ms) 15.5 mV rms 15.5 mV rms

6.17 mV rms

220 µV rms

8 µV rms

952 nV rms

674 nV rms

477 nV rms

338 nV rms

1.84 mV rms

65.5 µV rms

2.36 µV rms

353 nV rms

250 nV rms

187 nV rms

133 nV rms

470 µV rms

16.4 µV rms

661 nV rms

225 nV rms

159 nV rms

113 nV rms

80 nV rms

138 µV rms

4.5 µV rms

351 nV rms

223 nV rms

159 nV rms

111 nV rms

79 nV rms

F_O= 8 kHz (1/8 ms)

_O= 4 kHz (1/4 ms)

560 µV rms

20 µV rms

560 µV rms

20 µV rms

F_O= 2 kHz (1/2 ms)

F_O= 1 kHz (1 ms)

2.25 µV rms

1.59 µV rms

1.13 µV rms

797 nV rms

2.25 µV rms

1.59 µV rms

1.13 µV rms

797 nV rms

_O= 500 Hz (2 ms)

F_O= 250 Hz (4 ms)

Table Ia. Minimum Dynamic Performances (AD1555AP Only)

Input and Gain

MODIN

PGA = 1 (0 dB)

PGA = 2.5 (8 dB)

PGA = 8.5 (19 dB)

PGA = 34 (31 dB)

F_O= 1 kHz (1 ms)

F_O= 500 Hz (2 ms)

F_O= 250 Hz (4 ms)

116

119

122

116

119

122

115.5

118.5

121.5

114

117

120

104.5

107.5

110.5

^*Not tested in production. Guaranteed by design.

Table Ib. Minimum Dynamic Performances (AD1555BP Only)

Input and Gain

MODIN

PGA = 1 (0 dB)

PGA = 2.5 (8 dB)

PGA = 8.5 (19 dB)

PGA = 34 (31 dB)

F_O= 1 kHz (1 ms)

F_O= 500 Hz (2 ms)

F_O= 250 Hz (4 ms)

116.5

119.5

122.5

116.5

119.5

122.5

116

119

121

114

117

120

104.5

107.5

110.5

^*Not tested in production. Guaranteed by design.

Table II. Filter Characteristics

Output Word Rate F_O

(Sampling Rate in ms)

Pass Band

(Hz)

–3 dB Frequency

(Hz)

Stop Band

(Hz)

Group Delay

(ms)

16000 Hz (1/16 ms)

8000 Hz (1/8 ms)

4000 Hz (1/4 ms)

2000 Hz (1/2 ms)

1000 Hz (1 ms)

500 Hz (2 ms)

6000

3000

1500

750

375

187.5

93.75

6480

3267.5

1634

816.9

408.5

204.2

101.4

8000

4000

2000

1000

500

0.984

250

125

250 Hz (4 ms)

–4–

REV. B

1 2 345 6 7...24

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