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LT1969 Fiches technique(PDF) 4 Page - Linear Technology

No de pièce LT1969
Description  Dual 700MHz, 200mA, Adjustable Current Operational Amplifier
Download  20 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LT1969 Fiches technique(HTML) 4 Page - Linear Technology

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LT1969
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temp-
erature range, otherwise specifications are at TA = 25°C. VS = ±2.5V, VCM = 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)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
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.
θJA is specified for a 2500mm2 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
πVP.
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.
AVOL
Large-Signal Voltage Gain
VOUT = ±1V, RL = 100Ω
5.0
10
V/mV
q
4.5
V/mV
VOUT = ±1V, RL = 25Ω
4.5
10
V/mV
q
4.0
V/mV
VOUT
Output Swing
RL = 100Ω, 10mV Overdrive
1.50
1.65
±V
q
1.40
±V
RL = 25Ω, 10mV Overdrive
1.35
1.50
±V
q
1.25
±V
IOUT = 200mA, 10mV Overdrive
0.87
1
±V
q
0.80
±V
ISC
Short-Circuit Current (Sourcing)
(Note 3)
500
mA
Short-Circuit Current (Sinking)
400
mA
SR
Slew Rate
AV = –10 (Note 6)
50
100
V/
µs
Full Power Bandwidth
1V Peak (Note 7)
16
MHz
GBW
Gain Bandwidth
f = 1MHz
530
MHz
tr, tf
Rise Time, Fall Time
AV = 10, 10% to 90% of 0.1V, RL = 100Ω
7ns
Overshoot
AV = 10, 0.1V, RL = 100Ω
5%
Propagation Delay
AV = 10, 50% VIN to 50% VOUT, 0.1V, RL = 100Ω
5ns
Harmonic Distortion
HD2, AV = 10, 2VP-P, f = 1MHz, RL = 100Ω/25Ω
–75/– 64
dBc
HD3, AV = 10, 2VP-P, f = 1MHz, RL = 100Ω/25Ω
– 80/– 66
dBc
IMD
Intermodulation Distortion
AV = 10, f = 0.9MHz, 1MHz, 5dBm, RL = 100Ω/25Ω
– 77/– 85
dBc
ROUT
Output Resistance
AV = 10, f = 1MHz
0.2
Channel Separation
VOUT = ±1V, RL = 25Ω
82
92
dB
q
80
dB
IS
Supply Current
Per Amplifier
5
6.00
mA
q
6.25
mA
CTRL1 Voltage
13k to V , Measured with Respect to V
0.77
0.95
1.25
V
q
0.74
1.30
V
CTRL2 Voltage
49.9k to V , Measured with Respect to V
0.87
1.03
1.18
V
q
0.80
1.25
V
Minimum Supply Current
per Amplifier; CTRL1, CTRL2 Open
250
650
µA
q
750
µA
Maximum Supply Current
per Amplifier; CTRL1 or CTRL2 Shorted to V
11.5
mA


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