参数资料
型号: LT1794CFE
厂商: LINEAR TECHNOLOGY CORP
元件分类: 运动控制电子
英文描述: Dual 500mA, 200MHz xDSL Line Driver Amplifier
中文描述: DUAL OP-AMP, 7500 uV OFFSET-MAX, 200 MHz BAND WIDTH, PDSO20
封装: 4.40 MM, EXPOSED PAD, PLASTIC, TSSOP-20
文件页数: 3/20页
文件大小: 275K
代理商: LT1794CFE
3
LT1794
SYMBOL
C
IN
PARAMETER
Input Capacitance
Input Voltage Range (Positive)
Input Voltage Range (Negative)
Common Mode Rejection Ratio
CONDITIONS
MIN
TYP
3
V
+
– 1
V
+ 1
83
MAX
UNITS
pF
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
±
V
±
V
±
V
±
V
±
V
±
V
±
V
±
V
±
V
±
V
±
V
±
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
dB
dB
V/
μ
s
V/
μ
s
dBc
dBc
MHz
(Note 5)
(Note 5)
V
CM
= (V
+
– 2V) to (V
+ 2V)
G
G
V
+
– 2
V
+ 2
CMRR
74
66
74
66
70
64
63
57
60
54
13.8
13.6
13.6
13.4
10.9
10.7
10.6
10.4
3.7
3.5
3.6
3.4
500
10
8
8.0
6.7
G
PSRR
Power Supply Rejection Ratio
V
S
=
±
4V to
±
15V
88
G
A
VOL
Large-Signal Voltage Gain
V
S
=
±
15V, V
OUT
=
±
13V, R
L
= 100
82
G
V
S
=
±
12V, V
OUT
=
±
10V, R
L
= 40
76
G
V
S
=
±
5V, V
OUT
=
±
3V, R
L
= 25
70
G
V
OUT
Output Swing
V
S
=
±
15V, R
L
= 100
14.0
G
V
S
=
±
15V, I
L
= 250mA
13.9
G
V
S
=
±
12V, R
L
= 100
11.1
G
V
S
=
±
12V, I
L
= 250mA
10.9
G
V
S
=
±
5V, R
L
= 25
4.0
G
V
S
=
±
5V, I
L
= 250mA
3.9
G
I
OUT
I
S
Maximum Output Current
Supply Current per Amplifier
V
S
=
±
15V, R
L
= 1
V
S
=
±
15V, R
BIAS
= 24.9k (Note 6)
720
13
18
20
13.5
15.0
G
V
S
=
±
12V, R
BIAS
= 24.9k (Note 6)
10
G
V
S
=
±
12V, R
BIAS
= 32.4k (Note 6)
V
S
=
±
12V, R
BIAS
= 43.2k (Note 6)
V
S
=
±
12V, R
BIAS
= 66.5k (Note 6)
V
S
=
±
5V, R
BIAS
= 24.9k (Note 6)
8
6
4
2.2
1.8
3.4
5.0
5.8
1
1
G
Supply Current in Shutdown
Output Leakage in Shutdown
Channel Separation
V
SHDN
= 0.4V
V
SHDN
= 0.4V
V
S
=
±
12V, V
OUT
=
±
10V, R
L
= 40
0.1
0.3
110
80
77
300
100
G
SR
Slew Rate
V
S
=
±
15V, A
V
= –10, (Note 7)
V
S
=
±
5V, A
V
= –10, (Note 7)
V
S
=
±
12V, A
V
= 10, 2V
P-P
, R
L
= 50
, 1MHz
V
S
=
±
12V, A
V
= 10, 2V
P-P
, R
L
= 50
, 1MHz
f = 1MHz
600
200
–85
–82
200
HD2
HD3
GBW
Differential 2nd Harmonic Distortion
Differential 3rd Harmonic Distortion
Gain Bandwidth
ELECTRICAL CHARACTERISTICS
The
G
denotes the specifications which apply over the full specified temperature range, otherwise specifications are at T
A
= 25
°
C.
V
CM
= 0V, pulse tested,
±
5V
V
S
±
15V, V
SHDNREF
= 0V, R
BIAS
= 24.9k between V
+
and SHDN unless otherwise noted. (Note 3)
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