參數資料
| 型號： | LTC6257IMS#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP QUAD 6.5MHZ 16MSOP |
| 標準包裝： | 2,500 |
| 放大器類型： | 通用 |
| 電路數： | 4 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 1.8 V/µs |
| 增益帶寬積： | 6.5MHz |
| -3db帶寬： | 4.5MHz |
| 電流 - 輸入偏壓： | 5nA |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 65µA |
| 電流 - 輸出 / 通道： | 35mA |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TFSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 16-MSOP |
| 包裝： | 帶卷 (TR) |
LTC6255/LTC6256/LTC6257
625567fb
1
ApplicAtions
n
Micropower Active Filters
n
Portable Instrumentation
n
Battery or Solar Powered Systems
n
Automotive Electronics
n
Gain Bandwidth Product: 6.5MHz
n
–3dB Bandwidth (AV = +1): 4.5MHz
n
Low Quiescent Current: 65A
n
Stable for Capacitive Load Up to 100nF
n
Offset Voltage: 350V Maximum
n
Rail-to-Rail Input and Output
n
Supply Voltage Range: 1.8V to 5.25V
n
Input Bias Current: 50nA Maximum
n
CMRR/PSRR: 100dB/100dB
n
Shutdown Current: 7A Maximum
n
Operating Temperature Range: –40°C to 125°C
n
Single in 6-Lead TSOT-23 Package
n
Dual in 8-Lead MS8, MS10, TS0T-23, 2mm × 2mm
Thin DFN Packages
n
Quad in MS16 Package
typicAl ApplicAtion
Description
6.5MHz, 65A Power
Efficient Rail-to-Rail I/O
Op Amps
The LTC6255/LTC6256/LTC6257 are single/dual/quad
operational amplifiers with low noise, low power, low
supply voltage, and rail-to-rail inputs and outputs. They
are unity gain stable with capacitive load up to 100nF.
They feature 6.5MHz gain-bandwidth product, 1.8V/s
slew rate while consuming only 65A of supply current
per amplifier operating on supply voltages ranging from
1.8V to 5.25V. The combination of low supply current,
low supply voltage, high gain bandwidth product and low
noise makes the LTC6255 family unique among rail-to-rail
input/output op amps with similar supply current. These
operational amplifiers are ideal for low power and low
noise applications.
For applications that require power-down, the LTC6255
and LTC6256 in S6 and MS10 packages offer shutdown
which reduces the current consumption to 7A maximum.
The LTC6255 family can be used as plug-in replacements
for many commercially available op amps to reduce power
and improve input/output range and performance.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Over-The-Top is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Low Power, Low Distortion ADC Driver
FeAtures
LTC6255 Driving LTC2361 ADC
VIN = –1dBFS, 5kHz
fS = 125kSps
SNR = 72.5dB
SFDR = 89dB
tACQ = 5s
tCONV = 3s
MAGNITUDE
(dB)
FREQUENCY (kHz)
625567 TA01b
0
10
20
30
40
50
60
0
–30
–50
–10
–110
–20
–40
–60
–70
–80
–90
–100
+
–
LTC6255
VIN
5mV TO 2V
3.3V
10k
1%
22pF
6.34k, 1%
324
1%
470pF
NPO
GND
CS
SDO
SCK
OVDD
VDD
AIN
ISUPPLY = 540A TOTAL AT 125kSps
VREF
625567 TA01a
LTC2361
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