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| 型號： | AD641APZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP LOG LP 2.3MA 20PLCC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | 對數(shù) |
| 電路數(shù)： | 1 |
| -3db帶寬： | 250MHz |
| 電流 - 輸入偏壓： | 7µA |
| 電壓 - 輸入偏移： | 50µV |
| 電流 - 電源： | 35mA |
| 電流 - 輸出 / 通道： | 2.3mA |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 7.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 20-PLCC（9x9） |
| 包裝： | 管件 |
REV. C
–2–
AD641–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
AD641A
AD641S
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Units
TRANSFER FUNCTION1
(IOUT = IY LOG |VIN/VX|for VIN = 0.75 mV to ±200 mV dc)
LOG AMPLIFIER PERFORMANCE
3 dB Bandwidth
250
MHz
Voltage Compliance Range
–0.3
+VS – 1
–0.3
+VS – 1
V
Slope Current, IY
0.98
1.00
1.02
0.98
1.00
1.02
mA
Accuracy vs. Temperature
0.002
%/
°C
Over Temperature
TMIN to TMAX
0.98
1.02
mA
Intercept dBm
250 MHz
–40.84 –40.43 –39.96
–40.84 –40.43
–39.96
dBm
Over Temperature
TMIN to TMAX, 250 MHz
–40.59
–39.47
dBm
Zero Signal Output Current2
–0.2
mA
ITC Disabled
Pin 8 to COM
–0.27
mA
Maximum Output Current
2.3
mA
DYNAMIC RANGE
Single Configuration
44
dB
Over Temperature
TMIN to TMAX
40
38
dB
Dual Configuration
58
dB
Over Temperature
TMIN to TMAX
52
dB
LOG CONFORMANCE
f = 250 MHz
Single Configuration
–44 dBm to 0 dBm
±0.5
±2.0
±0.5
±2.0
dB
Over Temperature
–42 dBm to –4 dBm; TMIN to TMAX
±1.0
±2.5
dB
–42 dBm to –2 dBm, TMIN to TMAX
±1.0
±2.5
Dual Configuration
S: –60 dBm to –2 dBm;
±0.5
±2.0
±0.5
±2.0
dB
Over Temperature
A: –56 dBm to –4 dBm, TMIN to TMAX
±1.0
±2.5
±1.0
±2.5
dB
LIMITER CHARACTERISTICS
Flatness
–44 dBm to 0 dBm @ 10.7 MHz
±1.6
dB
Phase Variation
–44 dBm to 0 dBm @ 10.7 MHz
±2.0
Degrees
INPUT CHARACTERISTICS
Input Resistance
Differential
500
k
Input Offset Voltage
Differential
50
200
50
200
V
vs. Temperature
0.8
V/°C
Over Temperature
TMIN to TMAX
300
V
vs. Supply
22
V/V
Input Bias Current
7
25
7
25
A
Input Bias Offset
11
A
Common Mode Input Range
–2
+0.3
–2
+0.3
V
SIGNAL INPUT (Pins 1, 20)
Input Capacitance
Either Pin to COM
2
pF
Noise Spectral Density
1 kHz to 10 MHz
2
nV/
√Hz
Tangential Sensitivity
BW = 100 MHz
–72
dBm
INPUT ATTENUATOR
(Pins 2, 3, 4, 5 & 19)
Attenuation
3
Pins 5 to Pin 19
20
dB
Input Resistance
Pins 5 to 3/4
300
APPLICATION RESISTORS
(Pins 15, 16, 17)
0.995
1.000
1.005
0.995
1.000
1.005
k
OUTPUT CHARACTERISTICS
(Pins 10, 11)
Peak Differential Output
4
±180
mV
Output Resistance
Either Pin to COM
75
Quiescent Output Voltage
Either Pin to COM
–90
mV
POWER SUPPLY
Voltage Supply Range
±4.5
±7.5
±4.5
±7.5
V
Quiescent Current
+VS (Pin 12)
TMIN to TMAX
915
9
15
mA
–VS (Pin 7)
TMIN to TMAX
35
60
35
60
mA
NOTES
1Logarithms to base 10 are used throughout. The response is independent of the sign of V
IN.
2The zero-signal current is a function of temperature unless internal temperature compensation (ITC) pin is grounded.
3Attenuation ratio trimmed to calibrate intercept to 10 mV when in use. It has a temperature coefficient of +0.3%/
°C.
4The fully limited signal output will appear to be a square wave; its amplitude is proportional to absolute temperature.
Specifications subject to change wi
thout notice.
(VS =
5 V; TA = +25 C, unless otherwise noted)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD641-EB | 制造商:Analog Devices 功能描述:AD641 EVALUATION BOARD - Bulk |
| AD641N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Amplifier. Other |
| AD641P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Amplifier. Other |
| AD641Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Amplifier. Other |
| AD641S | 制造商:AD 制造商全稱:Analog Devices 功能描述:250 MHz Demodulating Logarithmic Amplifier |
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