参数资料
| 型号： | LT1056S8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC PREC OP-AMP JFET HI-SPD 8SOIC |
| 标准包装： | 100 |
| 放大器类型： | J-FET |
| 电路数： | 1 |
| 转换速率： | 14 V/µs |
| 增益带宽积： | 5.5MHz |
| 电流 - 输入偏压： | 30pA |
| 电压 - 输入偏移： | 500µV |
| 电流 - 电源： | 5mA |
| 电压 - 电源，单路/双路(±)： | ±5 V ~ 18 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 产品目录页面： | 1317 (CN2011-ZH PDF) |
1
LT1055/LT1056
10556fc
Precision, High Speed,
JFET Input Operational Amplifiers
+
–
0V TO 10V
INPUT
10kHZ
TRIM
5k
4.7k
15V
2N3906
15V
–15V
LT1055/56 TA01
–15V
= 1N4148
3M
0.001 (POLYSTYRENE)
0.1
F
THE LOW OFFSET VOLTAGE OF LT1056
CONTRIBUTES ONLY 0.1Hz OF ERROR
WHILE ITS HIGH SLEW RATE PERMITS
10kHz OPERATION.
0.1
F 22k
75k
1.5k
LM329
3.3M
7
6
4
3
2
33pF
*1% FILM
OUTPUT
1Hz TO 10kHz
0.005%
LINEARITY
LT1056
■
Guaranteed Offset Voltage: 150
V Max
–55
°C to 125°C: 500V Max
■
Guaranteed Drift: 4
V/°C Max
■
Guaranteed Bias Current
70
°C: 150pA Max
125
°C: 2.5nA Max
■
Guaranteed Slew Rate: 12V/
s Min
■ Available in 8-Pin PDIP and SO Packages
■ Precision, High Speed Instrumentation
■ Logarithmic Amplifiers
■ D/A Output Amplifiers
■ Photodiode Amplifiers
■ Voltage-to-Frequency Converters
■ Frequency-to-Voltage Converters
■ Fast, Precision Sample-and-Hold
The LT
1055/LT1056 JFET input operational amplifiers
combine precision specifications with high speed perfor-
mance.
For the first time, 16V/
s slew rate and 6.5MHz gain
bandwidth product are simultaneously achieved with off-
set voltage of typically 50
V, 1.2V/°C drift, bias currents
of 40pA at 70
°C and 500pA at 125°C.
The 150
V maximum offset voltage specification is the
best available on any JFET input operational amplifier.
The LT1055 and LT1056 are differentiated by their operat-
ing currents. The lower power dissipation LT1055 achieves
lower bias and offset currents and offset voltage. The
additional power dissipation of the LT1056 permits higher
slew rate, bandwidth and faster settling time with a slight
sacrifice in DC performance.
The voltage-to-frequency converter shown below is one of
the many applications which utilize both the precision and
high speed of the LT1055/LT1056.
For a JFET input op amp with 23V/
s guaranteed slew rate,
refer to the LT1022 data sheet.
Distribution of Input Offset Voltage
(H Package)
1Hz to 10kHz Voltage-to-Frequency Converter
INPUT OFFSET VOLTAGE (
V)
0
NUMBER
OF
UNITS
20
60
80
100
140
–400
0
200
LT1055/56 TA02
40
120
400
–200
VS = ±15V
TA = 25°C
634 UNITS TESTED
FROM THREE RUNS
50% TO
±60V
APPLICATIO S
U
FEATURES
TYPICAL APPLICATIO
U
DESCRIPTIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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