參數(shù)資料
型號(hào): LTC2420
廠商: Linear Technology Corporation
英文描述: Micropower 20-bit ADC(微功耗,20位串行模數(shù)轉(zhuǎn)換器)
中文描述: 微功耗20位ADC(微功耗,20位串行模數(shù)轉(zhuǎn)換器)
文件頁數(shù): 5/36頁
文件大小: 388K
代理商: LTC2420
5
LTC2420
TYPICAL PERFOR U
Total Unadjusted Error (3V Supply)
Negative Input Extended Total
Unadjusted Error (3V Supply)
INPUT VOLTAGE (V)
0
E
2
6
10
2.0
2420 G01
–2
–6
0
4
8
–4
–8
–10
0.5
1.0
1.5
2.5
V
CC
= 3V
V
REF
= 2.5V
T
A
= –55
°
C, –45
°
C, 25
°
C, 90
°
C
INPUT VOLTAGE (V)
0
E
2
6
10
2.0
2420 G02
–2
–6
0
4
8
–4
–8
–10
0.5
1.0
1.5
2.5
V
CC
= 3V
V
REF
= 2.5V
T
A
= –55
°
C, –45
°
C, 25
°
C, 90
°
C
INPUT VOLTAGE (V)
0
–10
–6
–2
2
–0.05 –0.10 –0.15 –0.20
2420 G03
–0.25
10
–0.30
E
6
–8
–4
0
8
4
V
CC
= 3V
V
REF
= 2.5V
T
A
= 90
°
C
T
A
= 25
°
C
T
A
= –45
°
C
T
A
= –55
°
C
INL (3V Supply)
Positive Input Extended Total
Unadjusted Error (3V Supply)
INPUT VOLTAGE (V)
2.50
–10
–6
–2
2
2.55
2.60
2.65
2.70
2420 G04
2.75
10
2.80
E
6
–8
–4
0
8
4
V
CC
= 3V
V
REF
= 2.5V
T
A
= –55
°
C, –45
°
C, 25
°
C, 90
°
C
INPUT VOLTAGE (V)
0
E
2
6
10
4
2420 G05
–2
–6
0
4
8
–4
–8
–10
1
2
3
5
V
CC
= 5V
V
REF
= 5V
T
A
= –55
°
C, –45
°
C, 25
°
C, 90
°
C
Total Unadjusted Error (5V Supply)
INL (5V Supply)
INPUT VOLTAGE (V)
0
E
2
6
10
4
2420 G06
–2
–6
0
4
8
–4
–8
–10
1
2
3
5
V
CC
= 5V
V
REF
= 5V
T
A
= –55
°
C, –45
°
C, 25
°
C, 90
°
C
Negative Input Extended Total
Unadjusted Error (5V Supply)
INPUT VOLTAGE (V)
0
–10
–6
–2
2
–0.05 –0.10 –0.15 –0.20
2420 G07
–0.25
10
–0.30
E
6
–8
–4
0
8
4
V
CC
= 5V
V
REF
= 5V
T
A
= 90
°
C
T
A
= –45
°
C
T
A
= 25
°
C
T
A
= –55
°
C
Positive Input Extended Total
Unadjusted Error (5V Supply)
INPUT VOLTAGE (V)
5.00
–10
–6
–2
2
5.05
5.10
5.15
5.20
2420 G08
5.25
10
5.30
E
6
–8
–4
0
8
4
V
CC
= 5V
V
REF
= 5V
T
A
= –45
°
C
T
A
= –55
°
C
T
A
= 25
°
C
T
A
= 90
°
C
Offset Error vs Reference Voltage
REFERENCE VOLTAGE (V)
0
O
90
120
150
4
2420 G09
60
30
0
1
2
3
5
V
CC
= 5V
T
A
= 25
°
C
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