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| 型號： | LTC6244IDD#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP DUAL R-R 8-DFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 35 V/µs |
| 增益帶寬積： | 50MHz |
| 電流 - 輸入偏壓： | 1pA |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 6.25mA |
| 電流 - 輸出 / 通道： | 35mA |
| 電壓 - 電源，單路/雙路(±)： | 2.8 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 8-DFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
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LTC6244
1
6244fb
Dual 50MHz, Low Noise,
Rail-to-Rail, CMOS Op Amp
The LTC6244 is a dual high speed, unity-gain stable CMOS
op amp that features a 50MHz gain bandwidth, 40V/μs slew
rate, 1pA of input bias current, low input capacitance and
rail-to-rail output swing. The 0.1Hz to 10Hz noise is just
1.5μVP-P and 1kHz noise is guaranteed to be less than
12nV/√Hz. This excellent AC and noise performance is
combined with wide supply range operation, a maximum
offset voltage of just 100μV and drift of only 2.5μV/°C,
making it suitable for use in many fast signal processing
applications, such as photodiode ampliers.
This op amp has an output stage that swings within 35mV
of either supply rail to maximize the signal dynamic range
in low supply applications. The input common mode
range extends to the negative supply. It is fully specied
on 3V and 5V, and an HV version guarantees operation
on supplies of ±5V.
The LTC6244 is available in the 8-pin MSOP, and for com-
pact designs, it is packaged in the tiny dual ne pitch lead
free (DFN) package.
n Photodiode Ampliers
n Charge Coupled Ampliers
n Low Noise Signal Processing
n Active Filters
n Medical Instrumentation
n High Impedance Transducer Amplier
n Input Bias Current: 1pA (Typ at 25°C)
n Low Offset Voltage: 100μV Max
n Low Offset Drift: 2.5μV/°C Max
n 0.1Hz to 10Hz Noise: 1.5μVP-P
n Slew Rate: 40V/μs
n Gain Bandwidth Product: 50MHz
n Output Swings Rail-to-Rail
n Supply Operation:
2.8V to 6V LTC6244
2.8V to ±5.25V LTC6244HV
n Low Input Capacitance: 2.1pF
n Available in 8-Pin MSOP and Tiny DFN Packages
Very Low Noise Large Area Photodiode
VOS Distribution
TYPICAL APPLICATION
DESCRIPTION
FEATURES
APPLICATIONS
5V
VOUT = 1M IPD
BW = 350kHz
NOISE = 291nV AT 10kHz
5V
VBB
IPD
1M
PHILIPS
BF862
JFET
HAMAMATSU LARGE AREA
PHOTODIODE
S1227-1010BQ
CPD = 3000pF
* CAN BE MICROPHONIC, FILM, X7R, IF NEEDED.
0.25pF
–5V 6244 TA01a
–
+
1/2
LTC6244HV
–5V
4.99k
4.7μF*
4.99k
VOUT
INPUT OFFSET VOLTAGE (μV)
–60
–40
NUMBER
OF
UNITS
60
80
100
120
60
6244 TA01b
40
20
50
70
90
110
30
10
0
–20
0
20
40
LTC6244MS8
VS = 5V, 0V
VCM = 2.5V
TA = 25°C
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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