參數(shù)資料
型號: AD7634BSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 6/32頁
文件大?。?/td> 0K
描述: IC ADC 18BIT DIFF BIPO 48-LQFP
標(biāo)準(zhǔn)包裝: 2,000
系列: PulSAR®
位數(shù): 18
采樣率(每秒): 670k
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): 225mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,單極;1 個差分,雙極
AD7634
Data Sheet
Rev. B | Page 14 of 32
–104
–128
–124
–120
–116
–112
–108
–100
–55
–35
–15
5
25
45
65
85
105
125
06
40
6-
0
17
TEMPERATURE (°C)
T
HD
(
d
B)
0V TO 10V
0V TO 5V
±5V
±10V
Figure 17. THD vs. Temperature
–20
–16
–12
–8
–4
0
4
8
12
16
20
–55
–35
–15
5
25
45
65
85
105
125
ZERO/OFFSET ERROR
POSITIVE
FULL-SCALE ERROR
NEGATIVE
FULL-SCALE ERROR
TEMPERATURE (°C)
Z
E
RO
/O
F
S
E
T
E
RRO
R,
F
UL
L
-S
CAL
E
RR
O
R
(
L
S
B)
06
40
6-
0
18
Figure 18. Zero/Offset Error, Positive and Negative Full-Scale Error vs.
Temperature, All Normalized to 25°C
0
10
20
30
40
50
60
0
64
06
-0
49
REFERENCE DRIFT (ppm/°C)
NUM
BE
R
O
F
U
NI
T
S
01
234
56
78
Figure 19. Reference Voltage Temperature Coefficient Distribution (247 Devices)
128
100
–55
125
S
F
DR
(
d
B)
TEMPERATURE (°C)
116
112
108
120
124
–35
–15
5
25
45
65
85
105
104
06
40
6-
0
20
0V TO 10V
0V TO 5V
±5V
±10V
Figure 20. SFDR vs. Temperature (Excludes Harmonics)
5.0080
4.9920
–55
125
TEMPERATURE (°C)
V
REF
(V
)
–35
–15
5
25
45
65
85
105
06
40
6-
0
21
4.9940
4.9960
4.9980
5.0000
5.0020
5.0040
5.0060
Figure 21. Typical Reference Voltage Output vs. Temperature (3 Devices)
0.001
0.01
0.1
1
10
100
1000
10000
100000
10
100
1000
10000
100000
1000000
AVDD, WARP/NORMAL
OVDD, ALL MODES
DVDD, ALL MODES
AVDD, IMPULSE
PDREF = PDBUF = HIGH
VCC +15V
VEE –15V
ALL MODES
06
40
6-
02
2
SAMPLING RATE (SPS)
O
P
E
R
AT
ING
CUR
RE
NT
S
(
A
)
Figure 22. Operating Currents vs. Sample Rate
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