參數(shù)資料
型號(hào): AD7654ASTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 5/28頁(yè)
文件大小: 0K
描述: IC ADC 16BIT 500KSPS DUAL 48LQFP
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 500k
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): 135mW
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: 托盤(pán)
輸入數(shù)目和類型: 2 個(gè)差分,單極
產(chǎn)品目錄頁(yè)面: 778 (CN2011-ZH PDF)
配用: EVAL-AD7654CBZ-ND - BOARD EVALUATION FOR AD7654
AD7654
Rev. B | Page 13 of 28
FREQUENCY (kHz)
100
S
NR,
S
INAD
(d
B)
90
70
80
10
1000
1
100
95
85
75
16.0
E
N
OB
(
B
it
s)
15.0
13.0
14.0
15.5
14.5
13.5
SNR
SINAD
ENOB
03
05
7-
01
1
Figure 11. SNR, SINAD, and ENOB vs. Frequency
INPUT LEVEL (dB)
92
S
NR,
S
INAD
(d
B)
90
86
88
–40
–20
–60
–30
–50
–10
0
SNR
SINAD
03
05
7-
01
2
Figure 12. SNR and SINAD vs. Input Level (Referred to Full Scale)
FREQUENCY (kHz)
T
H
D,
H
ARM
O
NI
CS
,CRO
S
T
A
L
K
(
d
B
)
–115
–105
10
1000
1
100
–110
90
SF
D
R
(
d
B
)
80
60
70
85
75
65
–100
–95
–90
–85
–80
–75
–70
–65
–60
95
100
105
110
115
SFDR
CROSSTALK B TO A
CROSSTALK A TO B
THD
THIRD
HARMONIC
SECOND
HARMONIC
03
05
7-
0
13
Figure 13. THD, Harmonics, Crosstalk, and SFDR vs. Frequency
TEMPERATURE (°C)
LS
B
–10
–15
–55
25
–35
5
45
–8
–6
–4
–2
0
2
4
6
8
10
65
85
105
125
FULL-SCALE ERROR
ZERO ERROR
03
05
7-
0
14
Figure 14. Full-Scale Error and Zero Error vs. Temperature
O
P
E
RA
T
ING
CUR
RE
NT
S
(
m
A)
10
1
0.1
100
SAMPLING RATE (kSPS)
10
100
1000
1
NORMAL AVDD
NORMAL DVDD
IMPULSE AVDD
OVDD 2.7V
0.01
0.001
0.0001
IMPULSE DVDD
03
05
7-
01
5
Figure 15. Operating Currents vs. Sample Rate
CL (pF)
50
t 18
DE
L
A
Y
(
n
s)
20
0
10
100
200
0
150
50
30
40
OVDD = 2.7V @ 85°C
OVDD = 2.7V @ 25°C
OVDD = 5V @ 85°C
OVDD = 5V @ 25°C
03
05
7-
0
16
Figure 16. Typical Delay vs. Load Capacitance CL
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