參數(shù)資料
型號: MCP3304
廠商: Microchip Technology Inc.
英文描述: 13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
中文描述: 13位差分輸入,低功耗的A / D轉換器具有SPI串行接口
文件頁數(shù): 11/40頁
文件大小: 666K
代理商: MCP3304
2002 Microchip Technology Inc.
DS21697B-page 11
MCP3302/04
Note:
Unless otherwise indicated, V
DD
= V
REF
= 5V, Full differential input configuration, V
SS
= 0V,
F
SAMPLE
= 100 ksps, F
CLK
= 21*F
SAMPLE
, T
A
= 25°C.
FIGURE 2-25:
(ENOB) vs. V
REF
.
Effective Number of Bits
FIGURE 2-26:
Range (SFDR) vs. Input Frequency.
Spurious Free Dynamic
FIGURE 2-27:
10 kHz Input (Representative Part).
Frequency Spectrum of
FIGURE 2-28:
(ENOB) vs. Input Frequency.
Effective Number of Bits
FIGURE 2-29:
(PSR) vs. Ripple Frequency.
Power Supply Rejection
FIGURE 2-30:
1 kHz Input (Representative Part, V
DD
= 2.7V).
Frequency Spectrum of
7
8
9
10
11
12
13
0
1
2
3
4
5
V
REF
(V)
E
V
DD
=2.7V
F
SAMPLE
= 50 ksps
V
DD
=5V
F
SAMPLE
= 100 ksps
0
10
20
30
40
50
60
70
80
90
100
1
10
100
Input Frequency (kHz)
S
V
DD
=V
REF
=2.7V
F
SAMPLE
= 50 ksps
V
DD
=V
REF
=5V
F
SAMPLE
= 100 ksps
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0
10000
20000
Frequency (Hz)
30000
40000
50000
A
11.2
11.4
11.6
11.8
12
12.2
12.4
12.6
12.8
13
1
10
100
Input Frequency (kHz)
E
V
DD
=V
REF
=2.7V
F
SAMPLE
= 50 ksps
V
DD
=V
REF
=5V
F
SAMPLE
= 100 ksps
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
1
10
100
1000
10000
Ripple Frequency (kHz)
P
0.1 μF Bypass
Capacitor
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0
5000
10000
Frequency (Hz)
15000
20000
25000
A
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