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LT1490A PDF预览

LT1490A

更新时间: 2023-12-20 18:44:05
品牌 Logo 应用领域
亚德诺 - ADI 放大器运算放大器
页数 文件大小 规格书
18页 228K
描述
双通道、Over-The-Top、微功率、轨至轨输入和输出运算放大器

LT1490A 数据手册

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LT1490A/LT1491A  
ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating  
temperature range of 40°C ≤ TA ≤ 85°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply  
unless otherwise noted. (Note 4)  
LT1490AC/LT1491AC  
LT1490AI/LT1491AI  
SYMBOL  
PARAMETER  
CONDITIONS  
V = 2.5V to 12.5V, V = V = 1V  
MIN  
TYP  
98  
2
MAX  
UNITS  
l
l
l
PSRR  
Power Supply Rejection Ratio  
Minimum Operating Supply Voltage  
Reverse Supply Voltage  
84  
dB  
V
S
CM  
O
2.5  
I = –100μA per Amplifier  
S
18  
27  
40  
V
I
Supply Current per Amplifier  
(Note 7)  
50  
55  
μA  
μA  
S
l
GBW  
SR  
Gain Bandwidth Product  
(Note 6)  
f = 1kHz  
110  
100  
90  
180  
kHz  
kHz  
kHz  
l
l
0°C ≤ T ≤ 70°C  
A
–40°C ≤ T ≤ 85°C  
A
Slew Rate  
(Note 8)  
A = –1, R = ∞  
0.035  
0.031  
0.030  
0.06  
V/μs  
V/μs  
V/μs  
V
L
l
l
0°C ≤ T ≤ 70°C  
A
–40°C ≤ T ≤ 85°C  
A
The denotes specifications which apply over the full operating temperature range of 40°C ≤ TA ≤ 85°C, otherwise specifications are  
at TA = 25°C. VS = 15V, VCM = 0V, VOUT = 0V unless otherwise noted. (Note 4)  
LT1490AC/LT1491AC  
LT1490AI/LT1491AI  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
Input Offset Voltage (Note 5)  
LT1490A N, S Packages  
150  
700  
950  
1100  
μV  
μV  
μV  
OS  
l
l
0°C ≤ T ≤ 70°C  
A
–40°C ≤ T ≤ 85°C  
A
LT1490A MS8 Package, LT1491A N, S Packages  
250  
285  
1200  
1350  
1500  
μV  
μV  
μV  
l
l
0°C ≤ T ≤ 70°C  
A
–40°C ≤ T ≤ 85°C  
A
LT1490A DD, LT1491A DHC  
1400  
1550  
1700  
μV  
μV  
μV  
l
l
0°C ≤ T ≤ 70°C  
A
–40°C ≤ T ≤ 85°C  
A
l
l
Input Offset Voltage Drift (Note 9)  
–40°C ≤ T ≤ 85°C  
2
2
6
7
μV/°C  
μV/°C  
A
LT1490A DD, LT1491A DHC, –40°C ≤ T ≤ 85°C  
A
l
l
l
I
I
Input Offset Current  
Input Bias Current  
0.2  
1
0.8  
8
nA  
nA  
OS  
B
Input Bias Current Drift  
Input Noise Voltage  
–40°C ≤ T ≤ 85°C  
5
pA/°C  
A
0.1Hz to 10Hz  
f = 1kHz  
1
μV  
P-P  
e
Input Noise Voltage Density  
Input Noise Current Density  
Input Resistance  
50  
0.015  
nV/√Hz  
pA/√Hz  
n
i
f = 1kHz  
n
R
Differential  
6
17  
15000  
Mꢀ  
Mꢀ  
IN  
Common Mode, V = –15V to 14V  
CM  
C
Input Capacitance  
4.6  
pF  
V
IN  
l
l
Input Voltage Range  
–15  
80  
29  
CMRR  
Common Mode Rejection Ratio  
Large-Signal Voltage Gain  
V
= –15V to 29V  
98  
dB  
CM  
A
VOL  
V = 14V, R = 10k  
100  
75  
50  
250  
V/mV  
V/mV  
V/mV  
O
L
l
l
0°C ≤ T ≤ 70°C  
A
–40°C ≤ T ≤ 85°C  
A
l
l
V
O
Output Voltage Swing  
No Load  
14.9  
14.5  
14.5  
14.978  
14.750  
14.670  
V
V
V
I
I
= 5mA  
OUT  
OUT  
= 10mA  
14901afd  
5

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