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LTC2057 参数 Datasheet PDF下载

LTC2057图片预览
型号: LTC2057
PDF下载: 下载PDF文件 查看货源
内容描述: 高电压,低噪声的零漂移运算放大器 [High Voltage, Low Noise Zero-Drift Operational Amplifier]
分类和应用: 运算放大器
文件页数/大小: 32 页 / 4597 K
品牌: LINEAR_DIMENSIONS [ Linear Dimensions ]
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LTC2057/LTC2057HV  
(LTC2057/LTC2057HV) The l denotes the specifications which apply  
elecTrical characTerisTics  
over the full operating temperature range, otherwise specifications are at TA = 25°C. Unless otherwise noted, VS = 2.5V; VCM = VOUT = 0V.  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
4
UNITS  
μV  
V
Input Offset Voltage (Note 3)  
0.5  
OS  
l
∆V /∆T  
OS  
Average Input Offset Voltage Drift (Note 3) –40°C to 125°C  
0.015  
μV/°C  
I
Input Bias Current (Note 4)  
–40°C to 85°C  
30  
60  
200  
300  
3.5  
pA  
pA  
nA  
B
l
l
–40°C to 125°C  
I
Input Offset Current (Note 4)  
–40°C to 85°C  
400  
460  
1.0  
pA  
pA  
nA  
OS  
n
l
l
–40°C to 125°C  
i
Input Noise Current Spectral Density  
Input Noise Voltage Spectral Density  
Input Noise Voltage  
1kHz  
170  
11  
fA/√Hz  
nV/√Hz  
e
e
1kHz  
n
DC to 10Hz  
200  
nV  
P-P  
n P-P  
C
Differential Input Capacitance  
3
3
pF  
pF  
IN  
Common Mode Input Capacitance  
+
CMRR  
PSRR  
Common Mode Rejection Ratio (Note 5)  
Power Supply Rejection Ratio (Note 5)  
Open Loop Voltage Gain (Note 5)  
Output Voltage Swing Low  
V
= V – 0.1V to V – 1.5V  
114  
111  
150  
160  
150  
dB  
dB  
CM  
l
l
l
–40°C to 125°C  
V = 4.75V to 36V  
133  
129  
dB  
dB  
S
–40°C to 125°C  
+
A
V
V
= V +0.2V to V –0.2V, R =1kΩ  
118  
117  
dB  
dB  
VOL  
OUT  
L
–40°C to 125°C  
– V  
No Load  
0.2  
35  
10  
15  
mV  
mV  
mV  
mV  
mV  
mV  
mV  
OL  
l
l
–40°C to 125°C  
I
= 1mA  
60  
SINK  
–40°C to 125°C  
90  
I
= 5mA  
180  
270  
365  
415  
SINK  
l
l
–40°C to 85°C  
–40°C to 125°C  
+
V – V  
Output Voltage Swing High  
No Load  
0.2  
50  
10  
15  
75  
115  
345  
470  
535  
mV  
mV  
mV  
mV  
mV  
mV  
mV  
OH  
l
l
–40°C to 125°C  
I
= 1mA  
SOURCE  
–40°C to 125°C  
I
= 5mA  
250  
SOURCE  
l
l
–40°C to 85°C  
–40°C to 125°C  
I
Short Circuit Current  
Rising Slew Rate  
17  
26  
1.2  
mA  
V/μs  
V/μs  
MHz  
kHz  
SC  
SR  
SR  
A = –1, R = 10kΩ  
V L  
RISE  
FALL  
Falling Slew Rate  
A = –1, R = 10kΩ  
0.45  
1.5  
V
L
GBW  
Gain Bandwidth Product  
Internal Chopping Frequency  
Supply Current  
f
I
100  
0.8  
C
S
No Load  
–40°C to 85°C  
–40°C to 125°C  
1.21  
1.50  
1.70  
mA  
mA  
mA  
l
l
In Shutdown Mode  
–40°C to 85°C  
–40°C to 125°C  
2.5  
μA  
μA  
μA  
l
l
5.6  
6.5  
l
l
l
l
l
V
V
Shutdown Threshold (SD – SDCOM) Low –40°C to 125°C  
Shutdown Threshold (SD – SDCOM) High –40°C to 125°C  
0.8  
V
V
SDL  
SDH  
2
+
SDCOM Voltage Range  
SD Pin Current  
–40°C to 125°C  
–40°C to 125°C, V – V  
V
V –2V  
V
I
I
= 0  
= 0  
–2  
–0.5  
0.5  
μA  
μA  
SD  
SD  
SDCOM  
SDCOM  
SDCOM Pin Current  
–40°C to 125°C, V – V  
2
SDCOM  
SD  
2057f  
4
For more information www.linear.com/LTC2057  
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