參數(shù)資料
型號: LM98640W-MPR
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, CQFP68
封裝: CERAMIC, QFP-68
文件頁數(shù): 5/50頁
文件大?。?/td> 1688K
代理商: LM98640W-MPR
Symbol
Parameter
Conditions
Notes
Typical
Min
Max
Units
Sub-
groups
ADC Specifications
V
REFT
Top of Reference
2.0
V
REFB
Bottom of Reference
1.0
V
REFT - VREFB
Differential Reference Voltage
1.0
V
Overrange Output Code
16383
16383
Code
1, 2, 3
Underrange Output Code
0
0
Code
1, 2, 3
Full Channel Performance Specifications
DNL
Differential Non-Linearity
5MHz
0.78
-1.03
1.53
LSB
1, 2, 3
5MHz CDS
1.0
-1.20
2.24
15MHz
0.78
-1.02
1.58
25MHz
0.78
-1.01
1.36
40MHz
0.78
-1.03
1.45
INL
Integral Non-Linearity
5MHz
1.7
-5.38
4.38
LSB
1, 2, 3
5MHz CDS
1.7
-3.41
5.15
15MHz
1.9
-3.45
3.49
25MHz
2.4
-5.40
6.03
40MHz
6.0
-9.9
7.34
Noise
Noise Floor CDS Gain = 1x
PGA Gain = FE
5MHz
-66.0
-64.6
dB
1, 2
-65.0
-62.5
3
15MHz
-66.0
-64.6
dB
1, 2
-66.0
-64.5
3
25MHz
-66.0
-64.6
dB
1, 2
-65.0
-64.3
3
40MHz
-66.0
-64.6
dB
1, 2
-66.5
-65.7
3
Noise Floor CDS Gain = 1x
PGA Gain = FE
5MHz
8.20
9.6
LSB
1, 2
9.15
11.9
3
15MHz
8.20
9.6
LSB
1, 2
8.20
9.4
3
25MHz
8.20
9.45
LSB
1, 2
9.15
10.0
3
40MHz
8.20
9.45
LSB
1, 2
7.70
8.5
3
Noise Floor CDS Gain = 1x
PGA Gain = 61
5MHz
-79
-78
dB
1, 2
15MHz
-79
-78
dB
1, 2
25MHz
-79
-78
dB
1, 2
40MHz
-79
-78
dB
1, 2
Noise Floor CDS Gain = 1x
PGA Gain = 61
5MHz
1.8
2.05
LSB
1, 2
15MHz
1.8
2.05
LSB
1, 2
25MHz
1.8
2.05
LSB
1, 2
40MHz
1.8
2.05
LSB
1, 2
Channel to Channel Crosstalk
5MHz
-79
-77
dB
4, 5, 6
15MHz
-86
-84
25MHz
-79
-77
40MHz
-76
-74
13
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