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參數(shù)資料
| 型號(hào)： | LT1097S8#PBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 12/12頁(yè) |
| 文件大小： | 0K |
| 描述： | IC PREC OP-AMP LOWCOST/PWR 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 放大器類(lèi)型： | 通用 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.2 V/µs |
| 增益帶寬積： | 700kHz |
| 電流 - 輸入偏壓： | 50pA |
| 電壓 - 輸入偏移： | 10µV |
| 電流 - 電源： | 350µA |
| 電壓 - 電源，單路/雙路(±)： | 2.4 V ~ 40 V，±1.2 V ~ 20 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1317 (CN2011-ZH PDF) |
9
LT1097
15V
–15V
OUT
LT1097F01
4
3
2
7
6
50k
+IN
–IN
+
–
LT1097
V–
OUT
V+
LT1097F02
4
5
CS
1
3
2
10k
POT
8
7
6
+
–
LT1097
Frequency Compensation and Optional Offset Nulling
±27V Common Mode Range Difference Amplifier
APPLICATIONS INFORMATION
WU
U
Guaranteed Perfomance, VS = ±15V, TA = 25°C
PARAMETER
LT1097CN8
OP-77GP
AD707JN
OP-177GP
OP-97FP
UNITS
Error Terms
VOS Max
50
100
90
60
75
V
IOS Max25k
6
70
50
70
4
V
Gain Min, 10V Out
14
5
3
5
50
V
CMRR, Min,
±25V In
22
20
13
22
39
V
PSRR, Min, VS = ±15V ±10%
69999
V
Sum of All Error Terms
98
204
165
166
177
V
0.1Hz to 10Hz Noise
Voltage Noise
0.5
0.38
0.23
0.38
0.5
Vp-p Typ
Current Noise50k
0.11
0.75
0.7
0.75
0.1
Vp-p Typ
Resistor Noise
0.55
Vp-p Typ
RMS sum
0.75
1
0.92
1
0.75
Vp-p
Drift with Temp
TCVOS Max
1
1.2
1
1.2
2
V/°C
TCIOS Max25k
0.1
2.1
1
2.1
0.2
V/°C
Sum of Drift Terms
1.1
3.3
2
3.3
2.2
V/°C
Supply Current Max
0.56
2
3
2
0.6
mA
The LT1097 is pin compatible to and directly replaces such
precision op amps as the OP-07, OP-77, AD707, OP-97, OP-
177, LM607 and LT1001 with improved price/performance.
Compatibility includes externally nulling the offset voltage, as
all of the above devices are trimmed with a potentiometer
between Pin 1 and Pin 8 and the wiper tied to V+.
The simple difference amplifier can be used to illustrate
the all-around excellence of the LT1097. The 50k input
resistance is selected to be large enough compared to
input signal source resistance. Simultaneously, the 50k
resistors should not dominate the precision and noise
error budget. Assuming perfect matching between the
four resistors, the following table summarizes the input
referred performance obtained using the LT1097 and
other popular, low cost precision op amps.
Input offset voltage can be adjusted over a
±600V range
with a 10k potentiometer.
The LT1097 is internally compensated for unity gain
stability. As shown on the Capacitive Load Handling plot,
the LT1097 is stable with any capacitive load. However,
the overcompensation capacitor, CS, can be used to re-
duce overshoot with heavy capacitive loads, to narrow
noise bandwidth or to stabilize circuits with gain in the
feedback loop.
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