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參數(shù)資料
| 型號： | LT1056CN8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PREC OP-AMP JFET HI-SPD 8-DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 放大器類型： | J-FET |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 14 V/µs |
| 增益帶寬積： | 5.5MHz |
| 電流 - 輸入偏壓： | 30pA |
| 電壓 - 輸入偏移： | 140µV |
| 電流 - 電源： | 5mA |
| 電壓 - 電源，單路/雙路(±)： | ±5 V ~ 18 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
10
LT1055/LT1056
10556fc
APPLICATIONS INFORMATION
WU
U
The voltage noise spectrum is characterized by a low 1/f
corner in the 20Hz to 30Hz range, significantly lower than
on other competitive JFET input op amps. Of particular
interest is the fact that with any JFET IC amplifier, the
frequency location of the 1/f corner is proportional to the
square root of the internal gate leakage currents and,
therefore, noise doubles every 20
°C. Furthermore, as
illustrated in the noise versus chip temperature curves,
the 0.1Hz to 10Hz peak-to-peak noise is a strong function
of temperature, while wideband noise (f0 = 1kHz) is
practically unaffected by temperature.
Consequently, for optimum low frequency noise, chip
temperature should be minimized. For example, operating
an LT1056 at
±5V supplies or with a 20°C/W case-to-
ambient heat sink reduces 0.1Hz to 10Hz noise from
typically 2.5
VP-P (±15V, free-air) to 1.5VP-P. Similiarly,
the noise of an LT1055 will be 1.8
VP-P typically because
of its lower power dissipation and chip temperature.
High Speed Operation
Settling time is measured in the test circuit shown. This
test configuration has two features which eliminate prob-
lems common to settling time measurments: (1) probe
capacitance is isolated from the “false summing” node,
and (2) it does not require a “flat top” input pulse since the
input pulse is merely used to steer current through the
diode bridges. For more details, please see Application
Note 10.
As with most high speed amplifiers, care should be
taken with supply decoupling, lead dress and component
placement.
When the feedback around the op amp is resistive (RF), a
pole will be created with RF, the source resistance and
capacitance (RS, CS), and the amplifier input capacitance
(CIN ≈ 4pF). In low closed-loop gain configurations and
with RS and RF in the kilohm range, this pole can create
excess phase shift and even oscillation. A small capacitor
(CF) in parallel with RF eliminates this problem. With RS
(CS + CIN) = RFCF, the effect of the feedback pole is
completely removed.
0.01 DISC
+
–
+
15V
–15V
15k
10k
4.7k
10
F
SOLID
TANTALUM
10
F
SOLID
TANTALUM
10
F
SOLID
TANTALUM
10
F
SOLID TANTALUM
10pF (TYPICAL)
10k
PULSE GEN
INPUT
(5V MIN STEP)
2k
0.01 DISC
50
2W
LT1055
LT1056
AMPLIFIER
UNDER
TEST
AUT OUTPUT
HP5082-8210
HEWLETT
PACKARD
15V
–15V
= 1N4148
–15V
1/2
U440
1/2
U440
50
3
3
100
DC ZERO
2N160
2N5160
2N3866
LT1055/56 AI04
OUTPUT
TO SCOPE
Settling Time Test Circuit
–
+
RS
RF
CF
CS
CIN
OUTPUT
LT1055/56 AI03
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| LT1056CN8#PBF | 功能描述:IC PREC OP-AMP JFET HI-SPD 8-DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| LT1056S8 | 功能描述:IC PREC OP-AMP JFET HI-SPD 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| LT1056S8#PBF | 功能描述:IC PREC OP-AMP JFET HI-SPD 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1056S8#TR | 功能描述:IC OPAMP JFET PREC HI SPD 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| LT1056S8#TRPBF | 功能描述:IC PREC OP-AMP JFET HI-SPD 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
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