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LT1224CS8#PBF

P1-P3P4-P6P7-P8
1
LT1224
Very High Speed
Operational Amplifier
■
Unity-Gain Stable
■
45MHz Gain-Bandwidth
■
400V/µs Slew Rate
■
7V/mV DC Gain: R
L
= 500Ω
■
Maximum Input Offset Voltage: 2mV
■
±12V Minimum Output Swing into 500Ω
■
Wide Supply Range: ±2.5V to ±15V
■
7mA Supply Current
■
90ns Settling Time to 0.1%, 10V Step
■
Drives All Capacitive Loads
D
U
ESCRIPTIO
S
F
EA
T
U
RE
The LT1224 is a very high speed operational amplifier with
excellent DC performance. The LT1224 features reduced
input offset voltage and higher DC gain than devices with
comparable bandwidth and slew rate. The circuit is a
single gain stage with outstanding settling characteristics.
The fast settling time makes the circuit an ideal choice for
data acquisition systems. The output is capable of driving
a 500Ω load to ±12V with ±15V supplies and a 150Ω load
to ±3V on ±5V supplies. The circuit is also capable of
driving large capacitive loads which makes it useful in
buffer or cable driver applications.
The LT1224 is a member of a family of fast, high per-
formance amplifiers that employ Linear Technology
Corporation’s advanced bipolar complementary
processing.
U
S
A
O
PP
L
IC
AT
I
■
Wideband Amplifiers
■
Buffers
■
Active Filters
■
Video and RF Amplification
■
Cable Drivers
■
Data Acquisition Systems
U
A
O
PP
L
IC
AT
ITY
P
I
CA
L
DAC Current-to-Voltage Converter Inverter Pulse Response
LT1224 • TA01
–
+
DAC-08
TYPE
0.1µF 5k 1 LSB SETTLING = 140ns
V
OUT
5k
7pF
LT1224
LT1224 • TA02
LT1224
2
Total Supply Voltage (V
+
to V
–
) ............................... 36V
Differential Input Voltage ......................................... ±6V
Input Voltage ............................................................±V
S
Output Short Circuit Duration (Note 1) ............ Indefinite
Operating Temperature Range
LT1224C................................................ 0°C to 70°C
Maximum Junction Temperature
Plastic Package ..............................................150°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
WU
U
PACKAGE
/
O
RDER I FOR ATIO
ORDER PART
NUMBER
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 2) 0.5 2.0 mV
I
OS
Input Offset Current 100 400 nA
I
B
Input Bias Current 48 µA
e
n
Input Noise Voltage f = 10kHz 22 nV/√Hz
i
n
Input Noise Current f = 10kHz 1.5 pA/√Hz
R
IN
Input Resistance V
CM
= ±12V 24 40 MΩ
Differential 250 kΩ
C
IN
Input Capacitance 2pF
Input Voltage Range
+
12 14 V
Input Voltage Range
–
–13 –12 V
CMRR Common-Mode Rejection Ratio V
CM
= ±12V 86 100 dB
PSRR Power Supply Rejection Ratio V
S
= ±5V to ±15V 75 84 dB
A
VOL
Large-Signal Voltage Gain V
OUT
= ±10V, R
L
= 500Ω 3.3 7 V/mV
V
OUT
Output Swing R
L
= 500Ω±12.0 ±13.3 V
I
OUT
Output Current V
OUT
= ±12V 24 40 mA
SR Slew Rate A
VCL
= –2, (Note 3) 250 400 V/µs
Full Power Bandwidth 10V Peak, (Note 4) 6.4 MHz
GBW Gain-Bandwidth f = 1MHz 45 MHz
t
r
, t
f
Rise Time, Fall Time A
VCL
= 1, 10% to 90%, 0.1V 5 ns
Overshoot A
VCL
= 1, 0.1V 30 %
Propagation Delay 50% V
IN
to 50% V
OUT
5ns
t
s
Settling Time 10V Step, 0.1% 90 ns
Differential Gain f = 3.58MHz, R
L
= 150Ω 1%
Differential Phase f = 3.58MHz, R
L
= 150Ω 2.4 Deg
R
O
Output Resistance A
VCL
= 1, f = 1MHz 2.5 Ω
I
S
Supply Current 79 mA
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= ±15V, T
A
= 25°C, R
L
= 1k, V
CM
= 0V unless otherwise noted.
LT1224CN8
LT1224CS8
S8 PART MARKING
1224
8
7
6
54
3
2
1NULL
–IN
+IN
V
NC
OUT
+
V
NULL
TOP VIEW
–
S8 PACKAGE
8-LEAD PLASTIC SOIC
N8 PACKAGE
8-LEAD PLASTIC DIP
LT1224 • POI01
T
JMAX
= 150°C, θ
JA
= 100°C/W (N8)
T
JMAX
= 150°C, θ
JA
= 150°C/W (S8)
3
LT1224
V
S
= ±5V, T
A
= 25°C, R
L
= 1k, V
CM
= 0V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
S
= ±15V, (Note 2) 1 4 mV
V
S
= ±5V, (Note 2) 2 5 mV
Input V
OS
Drift 25 µV/°C
I
OS
Input Offset Current V
S
= ±15V and V
S
= ±5V 100 600 nA
I
B
Input Bias Current V
S
= ±15V and V
S
= ±5V 4 9 µA
CMRR Common-Mode Rejection Ratio V
S
= ±15V, V
CM
= ±12V and V
S
= ±5V, V
CM
= ±2.5V 83 98 dB
PSRR Power Supply Rejection Ratio V
S
= ±5V to ±15V 73 84 dB
A
VOL
Large-Signal Voltage Gain V
S
= ±15V, V
OUT
= ±10V, R
L
= 500Ω 2.5 7 V/mV
V
S
= ±5V, V
OUT
= ±2.5V, R
L
= 500Ω 2.0 7 V/mV
V
OUT
Output Swing V
S
= ±15V, R
L
= 500Ω±12.0 ±13.3 V
V
S
= ±5V, R
L
= 500Ω or 150Ω±3.0 ±3.3 V
I
OUT
Output Current V
S
= ±15V, V
OUT
= ±12V 24 40 mA
V
S
= ±5V, V
OUT
= ±3V 20 40 mA
SR Slew Rate V
S
= ±15V, A
VCL
= –2, (Note 3) 250 400 V/µs
I
S
Supply Current V
S
= ±15V and V
S
= ±5V 7 10.5 mA
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 2) 1 4 mV
I
OS
Input Offset Current 100 400 nA
I
B
Input Bias Current 48 µA
Input Voltage Range
+
2.5 4 V
Input Voltage Range
–
–3 –2.5 V
CMRR Common-Mode Rejection Ratio V
CM
= ±2.5V 86 98 dB
A
VOL
Large-Signal Voltage Gain V
OUT
= ±2.5V, R
L
= 500Ω 2.5 7 V/mV
V
OUT
= ±2.5V, R
L
= 150Ω 3 V/mV
V
OUT
Output Swing R
L
= 500Ω±3.0 ±3.7 V
R
L
= 150Ω±3.0 ±3.3 V
I
OUT
Output Current V
OUT
= ±3V 20 40 mA
SR Slew Rate A
VCL
= –2, (Note 3) 250 V/µs
Full Power Bandwidth 3V Peak, (Note 4) 13.3 MHz
GBW Gain-Bandwidth f = 1MHz 34 MHz
t
r
, t
f
Rise Time, Fall Time A
VCL
= 1, 10% to 90%, 0.1V 7 ns
Overshoot A
VCL
= 1, 0.1V 20 %
Propagation Delay 50% V
IN
to 50% V
OUT
7ns
t
s
Settling Time –2.5V to 2.5V, 0.1% 90 ns
I
S
Supply Current 79 mA
E
LECTR
IC
AL C CHARA TERIST
ICS
E
LECTR
IC
AL C CHARA TERIST
ICS
0°C ≤ T
A
≤ 70°C, R
L
= 1k, V
CM
= 0V unless otherwise noted.
Note 1: A heat sink may be required to keep the junction temperature
below absolute maximum when the output is shorted indefinitely.
Note 2: Input offset voltage is tested with automated test equipment
in <1 second.
Note 3: Slew rate is measured in a gain of –2 between ±10V on the output
with ±6V on the input for ±15V supplies and ±2V on the output with
±1.75V on the input for ±5V supplies.
Note 4: Full power bandwidth is calculated from the slew rate
measurement: FPBW = SR/2πVp.
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LT1224CS8#PBF

Mfr. #:
Buy LT1224CS8#PBF
Manufacturer:
Analog Devices Inc.
Description:
High Speed Operational Amplifiers Very Hi Speed Op Amp
Lifecycle:
New from this manufacturer.
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