參數(shù)資料
型號(hào): LOG114AIRGVRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬運(yùn)算功能
英文描述: LOG OR ANTILOG AMPLIFIER, PQCC16
封裝: 4 X 4 MM, GREEN, PLASTIC, QFN-16
文件頁(yè)數(shù): 29/29頁(yè)
文件大?。?/td> 637K
代理商: LOG114AIRGVRG4
LOG114
SBOS301A MAY 2004 REVISED MARCH 2007
www.ti.com
9
TYPICAL CHARACTERISTICS: VS = +5V (continued)
All specifications at TA = +25°C, RVLOGOUT = 10k, VCM = GND, unless otherwise noted. For ac measurements, small signal means up to approximately 10% of dc
level.
0.45
0.40
0.35
0.30
0.25
0.20
1nA
10nA 100nA 1
A10A100A 1mA 10mA
100pA
6 DECADE LOG CONFORMITY vs I
REF
I
REF (I1)
Li
ne
ar
it
y
(%
)
10_C, 0_C, +25_C
+70
_C
+80
_C
+90
_C
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
1nA
10nA 100nA 1
A10A100A 1mA 10mA
100pA
8 DECADE LOG CONFORMITY (100pA to 3.5mA)
Input Current (I
1 or I2)
Li
near
it
y
(%
)
0
_C
+70
_C
+80
_C
+25
_C
10_C
+90
_C
20
10
0
10
20
30
40
100
1k
10k
100k
1M
10M
100M
10
SMALLSIGNAL V
LOGOUT
Frequency (Hz)
N
o
rm
a
liz
e
d
V
LO
G
O
U
T
(%
)
10mA
1
A
10nA
100nA
10
A
100
A
1mA
0
5
10
15
20
25
30
35
40
45
50
1k
10k
100k
1M
10M
100M
100
SMALLSIGNAL AC RESPONSE I
1
(10% sine modulation)
Frequency (Hz)
N
o
rm
al
iz
e
d
LO
G
O
utp
u
t
(dB
)
1
A
10nA
100nA
1nA
1mA
100
A
10
A
0
5
10
15
20
25
30
35
40
45
50
1k
10k
100k
1M
10M
100M
100
SMALLSIGNAL AC RESPONSE I
2
(10% sine modulation)
Frequency (Hz)
N
o
rm
al
iz
e
d
LO
G
O
utp
u
t
(dB
)
1
A
10nA
100nA
1nA
1mA
100
A
10
A
160
140
120
100
80
60
40
20
0
20
40
40M
100
1k
10k
100k
A
3 GAIN AND PHASE vs FREQUENCY
Frequency (Hz)
Ga
in
(d
B
)
225
180
135
90
45
0
Ph
a
s
e
(_
)
1M
10M
Gain
Phase
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