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參數(shù)資料
| 型號： | LT1169CS8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP JFET LONOISE DUAL 8SOIC |
| 標準包裝： | 100 |
| 放大器類型： | J-FET |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 4.2 V/µs |
| 增益帶寬積： | 5.3MHz |
| 電流 - 輸入偏壓： | 4pA |
| 電壓 - 輸入偏移： | 600µV |
| 電流 - 電源： | 5.3mA |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 20 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 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 |
1
LT1169
Dual Low Noise,
Picoampere Bias Current,
JFET Input Op Amp
D
U
ESCRIPTIO
S
FEATURE
The LT1169 achieves a new standard of excellence in noise
performance for a dual JFET op amp. For the first time low
voltage noise (6nV/
√Hz) is simultaneously offered with
extremely low current noise (1fA/
√Hz), providing the low-
est total noise for high impedance transducer applications.
Unlike most JFET op amps, the very low input bias current
(5pA Typ) is maintained over the entire common mode
range which results in an extremely high input resistance
(1013
). When combined with a very low input capaci-
tance (1.5pF) an extremely high input impedance results,
making the LT1169 the first choice for amplifying low level
signals from high impedance transducers. The low input
capacitance also assures high gain linearity when buffering
AC signals from high impedance transducers.
The LT1169 is unconditionally stable for gains of 1 or more,
even with 1000pF capacitive loads. Other key features are
0.6mV VOS and a voltage gain over 4 million. Each indi-
vidual amplifier is 100% tested for voltage noise, slew rate
(4.2V/
s), and gain-bandwidth product (5.3MHz).
The LT1169 is offered in the S8 and N8 packages.
A full set of matching specifications are provided for
precision instrumentation amplifier front ends. Specifica-
tions at
±5V supply operation are also provided. For an
even lower voltage noise please see the LT1113 data sheet.
s
Input Bias Current, Warmed Up: 20pA Max
s
100% Tested Low Voltage Noise: 8nV/
√Hz Max
s
S8 and N8 Package Standard Pinout
s
Very Low Input Capacitance: 1.5pF
s
Voltage Gain: 1.2 Million Min
s
Offset Voltage: 2mV Max
s
Input Resistance: 1013
s
Gain-Bandwidth Product: 5.3MHz Typ
s
Guaranteed Specifications with
±5V Supplies
s
Guaranteed Matching Specifications
U
S
A
O
PPLICATI
s
Photocurrent Amplifiers
s
Hydrophone Amplifiers
s
High Sensitivity Piezoelectric Accelerometers
s
Low Voltage and Current Noise Instrumentation
Amplifier Front Ends
s
Two and Three Op Amp Instrumentation Amplifiers
s
Active Filters
U
A
O
PPLICATI
TYPICAL
, LTC and LT are registered trademarks of Linear Technology Corporation.
Low Noise Light Sensor with DC Servo
8
+V
–V
4
LT1169 TA01
R1
1M
C1
2pF
7
5
6
–
+
1/2 LT1169
R2C2 > C1R1
CD = PARASITIC PHOTODIODE CAPACITANCE
VOUT = 100mV/WATT FOR 200nm WAVE LENGTH
330mV/
WATT FOR 633nm WAVE LENGTH
R5
10k
D2
1N914
V–
R4
1k
D1
1N914
R3
1k
1
3
2 –
+
1/2 LT1169
C2
0.022
F
HAMAMATSU
S1336-5BK
(908) 231-0960
VOUT
R2
100k
CD
2N3904
SOURCE RESISTANCE (
)
10k
1k
100
10
1
100
10k
100k
1M
1k
10M
LT1169 TA02
TOTAL
1kHz
VOLTAGE
NOISE
DENSITY
(nV/
√
Hz)
100M 1G
–
+
VN
RSOURCE
TA = 25°C
VS = ±15V
VN
SOURCE
RESISTANCE
ONLY
VN =
√(V
OP AMP)
2 + 4kTRS + 2qIBRS2
1kHz Output Voltage Noise
Density vs Source Resistance
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| LT1169CS8#PBF | 功能描述:IC OPAMP JFET LONOISE DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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 |
| LT1169CS8#TR | 功能描述:IC OPAMP JFET DUAL LONOISE 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件 |
| LT1169CS8#TRPBF | 功能描述:IC OPAMP JFET LONOISE DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型: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:帶卷 (TR) |
| LT117 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Positive Adjustable Regulator |
| LT1170 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
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