參數(shù)資料
型號(hào)： LTI969CMS
英文描述： Voltage-Feedback Operational Amplifier
中文描述： 電壓反饋運(yùn)算放大器
文件頁(yè)數(shù)： 4/20頁(yè)
文件大?。?/td> 285K
代理商： LTI969CMS
4
LT1969
ELECTRICAL CHARACTERISTICS
erature range, otherwise specifications are at T
A
= 25
°
C. V
S
=
±
2.5V, V
CM
= 0V, nominal mode with a 13k resistor from CTRL1 to V
–
and a 49.9k resistor from CTRL2 to V
–
, pulse power tested unless otherwise noted. (Note 9)
The
G
denotes specifications which apply over the full operating temp-
SYMBOL
A
VOL
PARAMETER
Large-Signal Voltage Gain
CONDITIONS
V
OUT
=
±
1V, R
L
= 100
MIN
5.0
4.5
4.5
4.0
1.50
1.40
1.35
1.25
0.87
0.80
TYP
10
MAX
UNITS
V/mV
V/mV
V/mV
V/mV
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The inputs are protected by back-to-back diodes. If the differential
input voltage exceeds 0.7V, the input current should be limited to less than
10mA.
Note 3:
A heat sink may be required to keep the junction temperature
below absolute maximum.
Note 4:
Thermal resistance varies depending upon the amount of PC board
metal attached to the device.
θ
JA
is specified for a 2500mm
2
test board
covered with 2 oz copper on both sides.
Note 5:
Input offset voltage is exclusive of warm-up drift.
Note 6:
Slew rate is measured between
±
2V on a
±
4V output with
±
6V
supplies, and between
±
1V on a
±
1.5V output with
±
2.5V supplies. Falling
slew rate is guaranteed by correlation to rising slew rate.
Note 7:
Full power bandwidth is calculated from the slew rate:
FPBW = SR/2
π
V
P
.
Note 8:
This parameter is not 100% tested.
Note 9:
The LT1969C is guaranteed to meet specified performance from 0
°
C
to 70
°
C. The LT1969C is designed, characterized and expected to meet
specified performance from –40
°
C to 85
°
C but is not tested or QA sampled
at these temperatures.
Note 10:
The LT1969C is guaranteed functional over the operating temperature
range of –40
°
C to 85
°
C.
G
V
OUT
=
±
1V, R
L
= 25
10
G
V
OUT
Output Swing
R
L
= 100
, 10mV Overdrive
1.65
±
V
±
V
±
V
±
V
±
V
±
V
mA
mA
V/
μ
s
MHz
MHz
ns
G
R
L
= 25
, 10mV Overdrive
1.50
G
I
OUT
= 200mA, 10mV Overdrive
1
G
I
SC
Short-Circuit Current (Sourcing)
Short-Circuit Current (Sinking)
Slew Rate
Full Power Bandwidth
Gain Bandwidth
Rise Time, Fall Time
Overshoot
Propagation Delay
Harmonic Distortion
(Note 3)
500
400
100
16
530
7
5
5
SR
A
V
= –10 (Note 6)
1V Peak (Note 7)
f = 1MHz
A
V
= 10, 10% to 90% of 0.1V, R
L
= 100
A
V
= 10, 0.1V, R
L
= 100
A
V
= 10, 50% V
IN
to 50% V
OUT
, 0.1V, R
L
= 100
HD2, A
V
= 10, 2V
P-P
, f = 1MHz, R
L
= 100
/25
HD3, A
V
= 10, 2V
P-P
, f = 1MHz, R
L
= 100
/25
A
V
= 10, f = 0.9MHz, 1MHz, 5dBm, R
L
= 100
/25
A
V
= 10, f = 1MHz
V
OUT
=
±
1V, R
L
= 25
50
GBW
t
r
, t
f
%
ns
–75/–64
–80/–66
–77/–85
0.2
92
dBc
dBc
dBc
dB
dB
mA
mA
IMD
R
OUT
Intermodulation Distortion
Output Resistance
Channel Separation
82
80
G
I
S
Supply Current
Per Amplifier
5
6.00
6.25
1.25
1.30
1.18
1.25
650
750
G
CTRL1 Voltage
13k to V
–
, Measured with Respect to V
–
0.77
0.74
0.87
0.80
0.95
V
V
V
V
G
CTRL2 Voltage
49.9k to V
–
, Measured with Respect to V
–
1.03
G
Minimum Supply Current
per Amplifier; CTRL1, CTRL2 Open
250
μ
A
μ
A
mA
G
Maximum Supply Current
per Amplifier; CTRL1 or CTRL2 Shorted to V
–
11.5
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