參數(shù)資料
型號: AD1555BPRL
廠商: ANALOG DEVICES INC
元件分類: 模擬信號調(diào)理
英文描述: 24-Bit ADC WITH LOW NOISE PGA
中文描述: SPECIALTY ANALOG CIRCUIT, PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 4/24頁
文件大小: 429K
代理商: AD1555BPRL
REV. B
AD1555/AD1556
–4–
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
Dynamic Range
F
O
= 16 kHz (1/16 ms)
F
O
= 8 kHz (1/8 ms)
F
O
= 4 kHz (1/4 ms)
F
O
= 2 kHz (1/2 ms)
F
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)
F
O
= 8 kHz (1/8 ms)
F
O
= 4 kHz (1/4 ms)
F
O
= 2 kHz (1/2 ms)
F
O
= 1 kHz (1 ms)
F
O
= 500 Hz (2 ms)
F
O
= 250 Hz (4 ms)
1.6 V rms
1.6 V rms
636 mV rms
187 mV rms
47 mV rms
12.4 mV rms
40 dB
69 dB
98 dB
117 dB
120 dB
123 dB
126 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
15.5 mV rms
560
μ
V rms
20
μ
V rms
2.25
μ
V rms
1.59
μ
V rms
1.13
μ
V rms
797 nV rms
15.5 mV rms
560
μ
V rms
20
μ
V rms
2.25
μ
V rms
1.59
μ
V rms
1.13
μ
V rms
797 nV rms
6.17 mV rms
220
μ
V rms
8
μ
V rms
952 nV rms
674 nV rms
477 nV rms
338 nV rms
1.84 mV rms
65.5
μ
V rms
2.36
μ
V rms
353 nV rms
250 nV rms
187 nV rms
133 nV rms
470
μ
V rms
16.4
μ
V rms
661 nV rms
225 nV rms
159 nV rms
113 nV rms
80 nV rms
138
μ
V rms
4.5
μ
V rms
351 nV rms
223 nV rms
159 nV rms
111 nV rms
79 nV rms
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)
250 Hz (4 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
250
125
0.984
3
6
12
24
48
93
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