參數(shù)資料
型號: AD7654ASTRL
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: Dual 2-Channel Simultaneous Sampling SAR 500 kSPS 16-Bit ADC
中文描述: 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48
封裝: MS-026-BBC, LQFP-48
文件頁數(shù): 10/24頁
文件大小: 734K
代理商: AD7654ASTRL
REV. 0
–10–
AD7654–Typical Performance Characteristics
CODE
–1
I
–5
–3
65535
0
–2
–4
32768
16384
49152
0
1
2
3
4
5
TPC 1. Integral Nonlinearity vs. Code
CODE IN HEXA
7FBF
0
C
8000
6000
4000
2000
0
7000
3000
1000
5000
7FC0
0
7FC1
14
7FC2
953
7FC3
7288
7FC4
7220
7FC5
903
7FC6
6
7FC7
0
7FC8
0
TPC 2. Histogram of 16,384 Conversions of a DC
Input at the Code Transition
FREQUENCY – kHz
–1
A
–5
–3
150
0
–2
–4
100
50
125
0
1
2
3
4
5
25
75
175
200
225
250
8192 POINT FFT
f
S
= 500kHz
f
IN
= 100kHz, –0.5dB
SNR = 89.9dB
S/[N+D] = 89.4dB
THD = –99.3dB
SFDR = 101.6dB
TPC 3. FFT Plot
CODE
D
–3
0
–2
16384
32768
–1
0
1
2
3
49152
65535
TPC 4. Differential Nonlinearity vs. Code
CODE IN HEXA
8000
7FC0
0
C
7000
4000
2000
0
6000
3000
1000
5000
7FC1 7FC2 7FC3
176
7FC4 7FC5
132
7FC6 7FC7
0
0
7FBF
0
9366
9000
10000
3411
3299
TPC 5. Histogram of 16,384 Conversions of a DC
Input at the Code Center
TEMPERATURE – C
96
S
84
90
25
125
–55
93
87
–35
65
45
5
105
–15
85
–98
T
–106
–102
–100
–104
SNR
THD
TPC 6. SNR, THD vs. Temperature
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