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參數(shù)資料
| 型號： | LTC2051CDD#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP ZERO-DRIFT DUAL 8DFN |
| 標準包裝： | 121 |
| 放大器類型： | 斷路器（零漂移） |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 2 V/µs |
| 增益帶寬積： | 3MHz |
| 電流 - 輸入偏壓： | 25pA |
| 電壓 - 輸入偏移： | 0.5µV |
| 電流 - 電源： | 850µA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 7 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 8-DFN-EP（3x3） |
| 包裝： | 管件 |
5
LTC2051/LTC2052
20512fd
ELECTRICAL CHARACTERISTICS
LTC2051C/LTC2052C
LTC2051I/LTC2052I
LTC2051H/LTC2052H
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
(LTC2051/LTC2052, LTC2051HV/LTC2052HV) The
● denotes the
specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VS = 3V, 5V
unless otherwise noted. (Note 3)
Shutdown Pin Input Low Voltage (VIL)
●
V – + 0.5
V
Shutdown Pin Input High Voltage (VIH)
●
V + – 0.5
V
Shutdown Pin Input Current
VSHDN = VIL, VS = 3V
●
–1
–3
–1
–3
μA
VSHDN = VIL, VS = 5V
●
–2
–5
–2
–5
μA
Internal Sampling Frequency
7.5
kHz
LTC2051C/LTC2052C
LTC2051I/LTC2052I
LTC2051H/LTC2052H
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Input Offset Voltage
(Note 2)
±1
±3
±1
±3
μV
Average Input Offset Drift
(Note 2)
●
0.01
±0.03
0.01
±0.05
μV/°C
Long-Term Offset Drift
50
nV/√mo
Input Bias Current (Note 4)
±90
±150
±90
±150
pA
●
±300
±3000
pA
Input Offset Current (Note 4)
±300
pA
●
±500
±700
pA
Input Noise Voltage
RS = 100Ω, DC to 10Hz
1.5
μVP-P
Common Mode Rejection Ratio
VCM = V– to V+ – 1.3
125
130
125
130
dB
●
120
130
120
130
dB
Power Supply Rejection Ratio
120
130
120
130
dB
●
115
130
115
130
dB
Large-Signal Voltage Gain
RL = 10k
125
140
125
140
dB
●
120
140
120
140
dB
Maximum Output Voltage Swing
RL = 2k to GND
●
±4.75
±4.92
±4.50
±4.92
V
RL = 10k to GND
●
±4.90
±4.98
±4.85
±4.98
V
Slew Rate
22
V/μs
Gain Bandwidth Product
3
MHz
Supply Current (Per Amplifier)
No Load, VSHDN = VIH
●
1
1.5
1
1.5
mA
Supply Current, Shutdown
VSHDN = VIL
●
15
30
15
30
μA
Shutdown Pin Input Low Voltage (VIL)
●
V – + 0.5
V
Shutdown Pin Input High Voltage (VIH)
●
V + – 0.5
V
Shutdown Pin Input Current
VSHDN = VIL
●
–7
–15
– 7
– 15
μA
Internal Sampling Frequency
7.5
kHz
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
reliability and lifetime.
Note 2: These parameters are guaranteed by design. Thermocouple effects
preclude measurements of these voltage levels during automated testing.
Note 3: All versions of the LTC2051/LTC2052 are designed, characterized
and expected to meet the extended temperature limits of – 40°C and 125°C.
The LTC2051C/LTC2052C/LTC2051HVC/LTC2052HVC are guaranteed to
meet the temperature limits of 0°C and 70°C. The LTC2051I/LTC2052I/
LTC2051HVI/LTC2052HVI are guaranteed to meet temperature limits of –
40°C and 85°C. The LTC2051H/LTC2051HVH and LTC2052H/LTC2052HVH
(LTC2051HV/LTC2052HV) The
● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. VS = ±5V unless otherwise noted. (Note 3)
are guaranteed to meet the temperature limits of – 40°C and 125°C.
Note 4: The bias current measurement accuracy depends on the proximity of
the negative supply bypass capacitors to the device under test. Because of
this, only the bias current of channel B (LTC2051) and channels A and B
(LTC2052) are 100% tested to the data sheet specifications. The bias
currents of the remaining channels are 100% tested to relaxed limits,
however, their values are guaranteed by design to meet the data sheet limits.
Note 5: This parameter is guaranteed to meet specified performance
through design and characterization. It has not been tested.
Note 6: The θJA specified for the DD package is with minimal PCB heat
spreading metal. Using expanded metal area on all layers of a board
reduces this value.
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