LT1567CMS8 Просмотр технического описания (PDF) - Linear Technology
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LT1567CMS8 Datasheet PDF : 16 Pages
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LT1567
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications that apply over the full operating temperature range (Note 4), otherwise specifications and typical
values are at TA = 25°C. VS = ±2.5V, RL = 1K, VOUT = 0 on both amplifiers unless otherwise noted.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
OA Input Bias Current
●
3
10
µA
DC BIAS Input Bias Current
●
6
15
µA
OA DC Open-Loop Gain
INV DC Gain
INV DC Input Resistance
OA Gain Bandwidth Product
INV Bandwidth
VS = ±1.5V, RL = 1k, VO = –1V to 1V
● 7.5
55
VS = ±2.5V, RL = 1k, VO= –2V to 2V
● 10
60
VS = ±2.5V, RL = 100, VO = –1.5V to 1.5V ● 1.2
7.0
VS = ±5V, RL = 1k, VO = –4V to 4V
● 10
80
V/mV
V/mV
V/mV
V/mV
VS = ±1.5V, RL = 1k, VIN = –1V to 1V
VS = ±2.5V, RL = 1k, VIN = –2V to 2V
VS = ±2.5V, RL = 100, VIN = –1.5V to 1.5V
VS = ±5V, RL = 1k, VIN = –4V to 4V
● 0.97
● 0.97
● 0.97
● 0.97
1.04
V/V
1.04
V/V
1.04
V/V
1.04
V/V
VS = ±2.5V, RL = 1k, VIN = –2V to 2V
● 450
600
750
Ω
Measured at 2MHz, VS = ±1.5V
● 100
180
MHz
Measured at 2MHz, VS = ±2.5V
● 110
185
MHz
Measured at 2MHz, VS = ±5V
● 120
190
MHz
–3dB
85
MHz
INV AC Gain
Measured at 2MHz
● 0.96
1.0
1.05
V/V
OA Slew Rate
INV Slew Rate
OA Input Voltage Noise Density (Note 7)
VS = ±5V
VS = ±5V
f = 100kHz
55
V/µs
90
V/µs
1.4
nV/√Hz
OA Input Current Noise Density
f = 100kHz
1.0
pA/√Hz
Wideband Output Noise for a Second Order Filter (Figure 1)
Total Harmonic Distortion (THD)
for a Second Order Filter (Figure 1)
Output Short-Circuit Current (Note 9)
fC = 2MHz, BW = 4MHz (Note 8)
fC = 5MHz, BW = 10MHz (Note 8)
f = 1MHz, fC = 2MHz, VOUT = 1VRMS
f = 2.5MHz, fC = 5MHz, VOUT = 1VRMS
20
30
– 88
– 70
●8
50
µVRMS
µVRMS
dB
dB
mA
OA Output Impedance
f = 100kHz, OA Connected as
Unity-Gain Inverter
0.03
Ω
INV Output Impedance
f = 100kHz
0.7
Ω
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 of each op amp are protected by back-to-back diodes
and diodes to each supply. If either input exceeds the supply or the
differential input voltage exceeds 1.4V, the input current should be limited
to less than 25mA.
Note 3: The LT1567C and LT1567I are guaranteed functional over the
operating temperature range –40°C to 85°C.
Note 4: The LT1567C is guaranteed to meet specified performance from
0°C to 70°C. The LT1567C is designed, characterized and expected to
meet specified performance from –40°C to 85°C but not tested or QA
sampled at these temperatures. The LT1567I is guaranteed to meet
specified performance from – 40°C to 85°C.
Note 5: With INVIN pin driven to ±2V.
Note 6: This parameter is not 100% tested.
Note 7: The input referred voltage noise density of the unity gain inverter
is 5.6nV/√Hz which includes the noise of the gain setting resistors.
Note 8: For fC = 2MHz, C1 = C2 = 180pF, R1 = R2 = 604Ω, R3 = 316Ω and
for fC = 5MHz, C1 = C2 = 180pF, R1 = R2 = 232Ω, R1 = 130Ω. BW is the
bandwidth of the noise measurement (Figure 1 circuit).
Note 9: Under direct short circuit conditions, with TA < 25°C the output
current is reduced.
1567fa
3
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