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參數(shù)資料
| 型號： | LOG102AIDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬運算功能 |
| 英文描述： | LOG OR ANTILOG AMPLIFIER, 1.4 MHz BAND WIDTH, PDSO14 |
| 封裝： | GREEN, PLASTIC, MS-012AB, SOIC-14 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 490K |
| 代理商： | LOG102AIDR |
www.ti.com
LOG102
2
SBOS211B
PACKAGE
PRODUCT
PACKAGE-LEAD
DESIGNATOR
MARKING
LOG102AID
SO -14
D
LOG102A
NOTES: (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at
www.ti.com.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degrada-
tion to complete device failure. Precision integrated circuits
may be more susceptible to damage because very small
parametric changes could cause the device not to meet its
published specifications.
ABSOLUTE MAXIMUM RATINGS(1)
Supply Voltage, V+ to V– .................................................................... 36V
Input Voltage ....................................................... V– (–0.5) to V+ (+0.5V)
Input Current ...................................................................................
±10mA
Output Short-Circuit(2) .............................................................. Continuous
Operating Temperature .................................................... –40
°C to +85°C
Storage Temperature ..................................................... –55
°C to +125°C
Junction Temperature .................................................................... +150
°C
Lead Temperature (soldering, 10s) ............................................... +300
°C
NOTES: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may degrade
device reliability. (2) Short circuit to ground, one amplifier per package.
PACKAGE/ORDERING INFORMATION(1)
I
2
NC
+IN4
–IN4
GND
V–
VOUT4
NC = No Internal Connection
LOG102
I
1
NC
+IN3
–IN3
Vlog out
V+
VOUT3
14
13
12
11
10
9
8
1
2
3
4
5
6
7
PIN DESCRIPTION
LOG102AID
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
CORE LOG FUNCTION
IIN /VLOG OUT Equation
VO = log (I1/I2)
LOG CONFORMITY ERROR(1)
Initial
1nA to 100
A (5 decades)
0.04
±0.3
%
1nA to 1mA (6 decades)
0.15
%
over Temperature
1nA to 100
A (5 decades)
0.0002
%/
°C
1nA to 1mA (6 decades)
0.002
%/
°C
GAIN(2)
Initial Value
1nA to 100
A (5 decades)
1
V/decade
Gain Error
1nA to 100
A (5 decades)
0.15
±1%
vs Temperature
TMIN to TMAX
0.025
0.05
%/
°C
INPUT, A1 and A2
Offset Voltage
±0.3
±1.5
mV
vs Temperature
TMIN to TMAX
±2
V/
°C
vs Power Supply (PSRR)
VS = ±4.5V to ±18V
5
50
V/V
Input Bias Current
±5pA
vs Temperature
TMIN to TMAX
Doubles Every 10
°C
Voltage Noise
f = 10Hz to 10kHz
3
Vrms
f = 1kHz
30
nV/
√Hz
Current Noise
f = 1kHz
4
fA/
√Hz
Common-Mode Voltage Range (Positive)
(V+) – 2
(V+) – 1.5
V
(Negative)
(V–) + 2
(V–) + 1.2
V
CMRR
90
105
dB
OUTPUT, A2 (VLOGOUT)
Output Offset, VOSO, Initial
±3
±55
mV
vs Temperature
TMIN to TMAX
25
V/°C
Full-Scale Output (FSO)
VS = ±5V Supplies
(V–) + 1.2
(V+) – 1.5
V
Short-Circuit Current
±18
mA
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, TA = 0°C to +70°C.
At TA = +25°C, VS = ±5V, RL = 10k, unless otherwise noted.
Top View
SO
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