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PDF LT1817 Data sheet ( Hoja de datos )
| Número de pieza | LT1817 | |
| Descripción | (LT1815 - LT1817) 1500V/us Operational Amplifiers | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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LT1815
LT1816/LT1817
Single/Dual/Quad 220MHz,
1500V/µs Operational Amplifiers
with Programmable Supply Current
FEATURES
s 220MHz Gain-Bandwidth Product
s 1500V/µs Slew Rate
s 6.5mA Supply Current per Amplifier
s Space Saving MSOP and SSOP Packages
s Ultra Small SOT-23 and Leadless DFN Packages
s Programmable Current Option
s 6nV/√Hz Input Noise Voltage
s Unity-Gain Stable
s 1.5mV Maximum Input Offset Voltage
s 8µA Maximum Input Bias Current
s 800nA Maximum Input Offset Current
s 50mA Minimum Output Current, VOUT = ±3V
s ±3.5V Minimum Input CMR, VS = ±5V
s Specified at ±5V, Single 5V Supplies
s Operating Temperature Range: – 40°C to 85°C
U
APPLICATIO S
s Wideband Amplifiers
s Buffers
s Active Filters
s Video and RF Amplification
s Communication Receivers
s Cable Drivers
s Data Acquisition Systems
DESCRIPTIO
The LT®1815/LT1816/LT1817 are low power, high speed,
very high slew rate operational amplifiers with excellent
DC performance. The LT1815/LT1816/LT1817 feature
higher bandwidth and slew rate, much lower input offset
voltage and lower noise and distortion than other devices
with comparable supply current. A programmable current
option (LT1815 and LT1816A) allows power savings and
flexibility by operating at reduced supply current and
speed. The circuit topology is a voltage feedback amplifier
with the slewing characteristics of a current feedback
amplifier.
The output drives a 100Ω load to ±3.8V with ±5V sup-
plies. On a single 5V supply, the output swings from 1V
to 4V with a 100Ω load connected to 2.5V. Harmonic
distortion is –70dB for a 5MHz, 2VP-P output driving a
100Ω load in a gain of –1.
The LT1815/LT1816/LT1817 are manufactured on Linear
Technology’s advanced low voltage complementary bipo-
lar process and are available in a variety of SOT-23, SO,
MSOP, SSOP and leadless DFN packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Programmable Current Amplifier Switches
from Low Power Mode to Full Speed Mode
500Ω 5V
VIN
HS/LP
500Ω
–
LT1815
+
ISET
40k
VOUT
100Ω
–5V
181567 TA01
Distortion vs Frequency
–30
AV = 2
–40
VS = ±5V
VO = 2VP-P
RL = 100Ω
–50
LOW POWER MODE
3RD HARMONIC
–60
2ND HARMONIC
–70
2ND HARMONIC
–80
3RD HARMONIC FULL SPEED MODE
–90
–100
100k
1M
FREQUENCY (Hz)
10M
181567 TA02
181567fa
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LT1815
LT1816/LT1817
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C (Note 8). VS = 5V, 0V; VCM = 2.5V, RL to 2.5V unless otherwise noted.
For the programmable current option (LT1815S6 or LT1816A), the ISET pin must be connected to V – through 75Ω or less, unless
otherwise noted.
SYMBOL PARAMETER
VOS Input Offset Voltage
∆VOS
∆T
IOS
Input Offset Voltage
(Low Power Mode) (Note 10)
Input Offset Voltage Drift
Input Offset Current
IB Input Bias Current
en Input Noise Voltage Density
in Input Noise Current Density
RIN Input Resistance
CIN Input Capacitance
VCM Input Voltage Range (High)
Input Voltage Range (Low)
CMRR Common Mode Rejection Ratio
Channel Separation
Minimum Supply Voltage
AVOL Large-Signal Voltage Gain
VOUT Maximum Output Swing (High)
CONDITIONS
MIN TYP MAX UNITS
(Note 4)
TA = 0°C to 70°C
TA = – 40°C to 85°C
LT1815S6/LT1816A, 40kΩ Between ISET and V –
TA = 0°C to 70°C
TA = – 40°C to 85°C
TA = 0°C to 70°C (Note 7)
TA = – 40°C to 85°C (Note 7)
q
q
q
q
q
q
0.4 2.0
2.5
3.5
mV
mV
mV
27
9
10
mV
mV
mV
10 15 µV/°C
10 30 µV/°C
TA = 0°C to 70°C
TA = – 40°C to 85°C
TA = 0°C to 70°C
TA = – 40°C to 85°C
f = 10kHz
60 800
nA
q 1000 nA
q 1200 nA
– 2.4 ±8
µA
q ±10 µA
q ±12 µA
6 nV/√Hz
f = 10kHz
1.3 pA/√Hz
VCM = 1.5V to 3.5V
Differential
1.5 5
750
MΩ
kΩ
2 pF
Guaranteed by CMRR
TA = – 40°C to 85°C
3.5
q 3.5
4.1
V
V
Guaranteed by CMRR
TA = – 40°C to 85°C
0.9 1.5
V
q 1.5 V
VCM = 1.5V to 3.5V
TA = 0°C to 70°C
TA = – 40°C to 85°C
73
q 71
q 70
82
dB
dB
dB
VOUT = 1.5V to 3.5V, RL = 100Ω, LT1816/LT1817
81
TA = 0°C to 70°C
q 80
TA = – 40°C to 85°C
q 79
100
dB
dB
dB
Guaranteed by PSRR
TA = – 40°C to 85°C
2.5 4
V
q 4V
VOUT = 1.5V to 3.5V, RL = 500Ω
TA = 0°C to 70°C
TA = – 40°C to 85°C
1.0
q 0.7
q 0.6
2
V/mV
V/mV
V/mV
VOUT = 1.5V to 3.5V, RL = 100Ω
TA = 0°C to 70°C
TA = – 40°C to 85°C
0.7
q 0.5
q 0.4
1.5
V/mV
V/mV
V/mV
RL = 500Ω, 30mV Overdrive
TA = 0°C to 70°C
TA = – 40°C to 85°C
3.9
q 3.8
q 3.7
4.2
V
V
V
RL = 100Ω, 30mV Overdrive
TA = 0°C to 70°C
TA = – 40°C to 85°C
3.7
q 3.6
q 3.5
4
V
V
V
181567fa
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1815
LT1816/LT1817
Small-Signal Transient,
AV = – 1
Small-Signal Transient,
AV = 1
Large-Signal Transient,
AV = – 1, VS = ±5V
181567 G31
Large-Signal Transient,
AV = 1, VS = ±5V
181567 G32
181567 G33
181567 G34
181567fa
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11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet LT1817.PDF ] | |
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