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參數(shù)資料
| 型號： | TL441N |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬運算功能 |
| 英文描述： | LOG OR ANTILOG AMPLIFIER, 40 MHz BAND WIDTH, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 226K |
| 代理商： | TL441N |
TL441
LOGARITHMIC AMPLIFIER
SLVS328 – OCTOBER 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltages (see Note 1): VCC+
8 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VCC –
–8 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage (see Note 1)
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output sink current (any one output)
30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Notes 2 and 3)
67
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltages, except differential out voltages, are with respect to network ground terminal.
2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
MIN
MAX
UNIT
Peak-to-peak input voltage for each 30-dB stage
0.01
1
V
Operating free-air temperature, TA
0
70
°C
electrical characteristics, VCC± = ±6 V, TA = 25°C
PARAMETER
TEST
FIGURE
MIN
TYP
MAX
UNIT
Differential output offset voltage
1
±40
mV
Quiescent output voltage
2
5.45
5.6
5.85
V
DC scale factor (differential output), each 3-dB stage, – 35 dBV to – 5 dBV
3
6
8
12
mV/dB
AC scale factor (differential output)
8
mV/dB
DC error at – 20 dBV (midpoint of – 35 dBV to – 5 dBV range)
3
1
dB
Input impedance
500
Output impedance
200
Rise time, 10% to 90% points, CL = 24 pF
4
20
30
ns
Supply current from VCC+
2
14.5
18.5
23
mA
Supply current from VCC –
2
– 6
– 8.5
– 10.5
mA
Power dissipation
2
123
162
201
mW
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