參數(shù)資料
型號(hào): AD1555BPZRL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 0K
描述: IC ADC PGA 24BIT LN 28-PLCC
標(biāo)準(zhǔn)包裝: 1
位數(shù): 24
采樣率(每秒): 256k
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 96mW
電壓電源: 雙 ±
工作溫度: -55°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 28-PLCC(11.51x11.51)
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類型: 1 個(gè)差分,雙極
其它名稱: AD1555BPZRLDKR
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
1.6 V rms
636 mV rms
187 mV rms
47 mV rms
12.4 mV rms
Dynamic Range
FO = 16 kHz (1/16 ms)
40 dB40 dB
40dB
FO = 8 kHz (1/8 ms)
69 dB
FO = 4 kHz (1/4 ms)
98 dB
97 dB
91 dB
FO = 2 kHz (1/2 ms)
117 dB
116.5 dB
114.5 dB
106.5 dB
95 dB
FO = 1 kHz (1 ms)
120 dB
119.5 dB
117.5 dB
109.5 dB
98 dB
FO = 500 Hz (2 ms)
123 dB
122.5 dB
120 dB
112.5 dB
101 dB
FO = 250 Hz (4 ms)
126 dB
125.5 dB
123 dB
115.5 dB
104 dB
Equivalent Input Noise
FO = 16 kHz (1/16 ms)
15.5 mV rms
6.17 mV rms
1.84 mV rms
470
V rms
138
V rms
FO = 8 kHz (1/8 ms)
560
V rms
560
V rms
220
V rms
65.5
V rms
16.4
V rms
4.5
V rms
FO = 4 kHz (1/4 ms)
20
V rms
20
V rms
8
V rms
2.36
V rms
661 nV rms
351 nV rms
FO = 2 kHz (1/2 ms)
2.25
V rms
2.25
V rms
952 nV rms
353 nV rms
225 nV rms
223 nV rms
FO = 1 kHz (1 ms)
1.59
V rms
1.59
V rms
674 nV rms
250 nV rms
159 nV rms
FO = 500 Hz (2 ms)
1.13
V rms
1.13
V rms
477 nV rms
187 nV rms
113 nV rms
111 nV rms
FO = 250 Hz (4 ms)
797 nV rms
338 nV rms
133 nV rms
80 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)
FO = 1 kHz (1 ms)
116
115.5
114
104.5
FO = 500 Hz (2 ms)
119
118.5
117
107.5
FO = 250 Hz (4 ms)
122
121.5
120
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)
FO = 1 kHz (1 ms)
116.5
116
114
104.5
FO = 500 Hz (2 ms)
119.5
119
117
107.5
FO = 250 Hz (4 ms)
122.5
121
120
110.5
*Not tested in production. Guaranteed by design.
Table II. Filter Characteristics
Output Word Rate FO
Pass Band
–3 dB Frequency
Stop Band
Group Delay
(Sampling Rate in ms)
(Hz)
(ms)
16000 Hz (1/16 ms)
6000
6480
8000
0.984
8000 Hz (1/8 ms)
3000
3267.5
4000
3
4000 Hz (1/4 ms)
1500
1634
2000
6
2000 Hz (1/2 ms)
750
816.9
1000
12
1000 Hz (1 ms)
375
408.5
500
24
500 Hz (2 ms)
187.5
204.2
250
48
250 Hz (4 ms)
93.75
101.4
125
93
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