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LTC6255 Datasheet(PDF) 6 Page - Linear Technology

Part No. LTC6255
Description  1.3MHz, 20μA Power Efficient Rail-to-Rail I/O Op Amps
Download  28 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC6255 Datasheet(HTML) 6 Page - Linear Technology

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LTC6258/LTC6259/LTC6260
6
6258960fa
For more information www.linear.com/LTC6258
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The inputs are protected by back-to-back diodes as well as ESD
protection diodes to each power supply. If the differential input voltage
exceeds 1.4V or the input extends more than 500mV beyond the power
supply, the input current should be limited to less than 10mA.
Note 3: A heat sink may be required to keep the junction temperature
below the absolute maximum rating when the output is shorted
indefinitely.
Note 4: LTC6258I/LTC6259I/LTC6260I and LTC6258H/LTC6259H/
LTC6260H are guaranteed functional over the temperature range of
–40°C to 125°C.
1.8V ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. VSUPPLY = 1.8V, VCM = VOUT = 0.4V, CL = 10pF, VSHDN is
unconnected.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOH
Output Swing High (Input Overdrive 30mV),
Measured from V+
No Load
l
25
40
50
mV
mV
ISOURCE = 100µA
l
35
60
100
mV
mV
ISOURCE = 1mA
l
95
140
300
mV
mV
ISC
Output Short-Circuit Current
l
4
1
10
mA
mA
IS
Supply Current per Amplifier
l
17
10
20
21
23
µA
µA
Supply Current in Shutdown
l
1.0
1.5
2
µA
µA
ISHDN
Shutdown Pin Current
VSHDN = 0.5V
VSHDN = 1.5V
l
l
50
0
80
10
nA
nA
VIL
SHDN Input Low Voltage
Disable
l
0.5
V
VIH
SHDN Input High Voltage
Enable
l
1.5
V
tON
Turn-On Time
SHDN Toggle From 0V to 1.8V
47
µs
tOFF
Turn-Off Time
SHDN Toggle From 1.8V to 0V
17
µs
GBW
Gain-Bandwidth Product
f = 10kHz
l
1.0
0.4
1.3
MHz
MHz
TS
Settling Time, 0.3V to 1.5V, Unity Gain
0.1%
0.01%
7
12
µs
µs
SR
Slew Rate
AV = –1, VOUT = 0.3V to 1.5V, CLOAD = 10pF
RF = RG = 10kΩ
l
0.16
0.1
0.22
V/µs
V/µs
FPBW
Full Power Bandwidth (Note 8)
1.2VP-P
58
kHz
THD+N
Total Harmonic Distortion and Noise
f = 500Hz, AV = 2, RL = 4kΩ, VOUTP-P = 1V
VIN = 0.65V to 0.15V
0.04
68
%
dB
Note 5: The LTC6258I/LTC6259I/LTC6260I are guaranteed to meet
specified performance from –40°C to 85°C. The LTC6258H/LTC6259H/
LTC6260H are guaranteed to meet specified performance from –40°C to
125°C.
Note 6: Thermal resistance varies with the amount of PC board metal
connected to the package. The specified values are for short traces
connected to the leads.
Note 7: The input bias current is the average of the currents into the
positive and negative input pins.
Note 8: Full power bandwidth is calculated from the slew rate FPBW =
SR/π • VP-P.


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