LT6350 데이터 시트보기 (PDF) - Linear Technology
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LT6350 Datasheet PDF : 28 Pages
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LT6350
ELECTRICAL CHARACTERISTICS The l denotes specifications that apply over the full specified temperature range,
otherwise specifications are at TA
SHORT, RG = OPEN. VS is defined
= 25°C.
as (V+ –
Unless noted otherwise, V+ = 5V,
V–). VOUTCM is defined as (VOUT1
V– = 0V, V+IN1 = V2 = Mid-Supply,
+ VOUT2)/2. VOUTDIFF is defined as
VSHDN = V+, RL =
(VOUT1 – VOUT2).
OPEN, RF =
See Figure 1.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
FPBW
CL
SR
Full Power Bandwidth (Note 11)
Capacitive Load Drive, 20% Overshoot
Differential Slew Rate
VOUTDIFF = 8VP-P
No Series Output Resistors
OUT1 Rising (OUT2 Falling)
OUT1 Falling (OUT2 Rising)
1.6
MHz
56
pF
48
V/μs
41
V/μs
10kHz Distortion
HD2
HD3
VS = 5V, VOUTDIFF = 4VP-P, RL = 2kΩ
2nd Harmonic
3rd Harmonic
–115
dBc
–115
dBc
100kHz Distortion
HD2
HD3
VS = 5V, VOUTDIFF = 4VP-P, RL = 2kΩ
2nd Harmonic
3rd Harmonic
–102
dBc
–97
dBc
1MHz Distortion
HD2
HD3
VS = 5V, VOUTDIFF = 4VP-P, RL = 2kΩ
2nd Harmonic
3rd Harmonic
–86
dBc
–75
dBc
tS
Settling Time to a 4V Input Step
0.1%
0.01%
0.0015% (±1LSB, 16-Bit, Falling Edge)
200
ns
240
ns
350
ns
tOVDR
Overdrive Recovery Time
+IN1 to V– and V+
200
ns
tON
Turn-On Time
VSHDN = 0V to 5V
400
ns
tOFF
Turn-Off Time
VSHDN = 5V to 0V
400
ns
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 6: VOS2 is measured as the total output common mode voltage offset
(error between output common mode and voltage at V2). VOS2 includes
the combined effects of op amp 2’s voltage offset, IB, IOS and mismatch
between on-chip resistors and the 499Ω external resistor, R1 (See Figure 1).
Note 2: Inputs are protected by back-to-back diodes and diodes to each
supply. If the inputs are taken beyond the supplies or the differential input
voltage exceeds 0.7V, the input current must be limited to less than 20mA.
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: The LT6350C/LT6350I are guaranteed functional over the
temperature range of –40°C to 85°C. The LT6350H is guaranteed
functional over the temperature range of –40°C to 125°C.
Note 5: The LT6350C is guaranteed to meet specified performance from
0°C to 70°C. The LT6350C 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. The LT6350I is guaranteed to meet
specified performance from –40°C to 85°C. The LT6350H is guaranteed to
meet specified performance from –40°C to 125°C.
Note 7: Supply voltage range is guaranteed by the power supply rejection
ratio test.
Note 8: Output balance is calculated from gain error and gain as:
BAL = GAIN
GAINERR
Note 9: DC linearity is measured by measuring the differential output for
each input in the set V+IN1 = 0.5V, 2.5V, 4.5V, and calculating the maximum
deviation from the least squares best fit straight line generated from the
three data points.
Note 10: Output voltage swings are measured between the output and
power supply rails.
Note 11: Full- power bandwidth is calculated from the slew rate.
FPBW = SR/2ČVP.
6350f
5
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