参数资料
| 型号： | LTC6253HMS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP R-R 720MHZ 8-MSOP |
| 标准包装： | 50 |
| 放大器类型： | 通用 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 280 V/µs |
| 增益带宽积： | 720MHz |
| -3db带宽： | 400MHz |
| 电流 - 输入偏压： | 1.4µA |
| 电压 - 输入偏移： | 100µV |
| 电流 - 电源： | 4.25mA |
| 电流 - 输出 / 通道： | 100mA |
| 电压 - 电源，单路/双路(±)： | 2.5 V ~ 5.25 V，±1.25 V ~ 2.625 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
LTC6252/LTC6253/LTC6254
1
625234fc
TYPICAL APPLICATION
DESCRIPTION
720MHz, 3.5mA Power
Efficient Rail-to-Rail
I/O Op Amps
TheLTC6252/LTC6253/LTC6254aresingle/dual/quadlow
power,highspeedunitygainstablerail-to-railinput/output
operational amplifiers. On only 3.5mA of supply current
they feature a 720MHz gain-bandwidth product, 280V/s
slew rate and a low 2.75nV/√Hz of input-referred noise.
The combination of high bandwidth, high slew rate, low
power consumption and low broadband noise makes the
LTC6252 family unique among rail-to-rail input/output op
amps with similar supply currents. They are ideal for lower
supply voltage high speed signal conditioning systems.
TheLTC6252familymaintainshighefficiencyperformance
from supply voltage levels of 2.5V to 5.25V and is fully
specified at supplies of 2.7V and 5.0V.
Forapplicationsthatrequirepower-down,theLTC6252and
the LTC6253 in MS10 offer a shutdown pin which disables
the amplifier and reduces current consumption to 42A.
The LTC6252 family can be used as a plug-in replacement
for many commercially available op amps to reduce power
or to improve input/output range and performance.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
FEATURES
APPLICATIONS
n
Gain Bandwidth Product: 720MHz
n
–3dB Frequency (AV = 1): 400MHz
n
Low Quiescent Current: 3.5mA Max
n
High Slew Rate: 280V/s
n
Input Common Mode Range Includes Both Rails
n
Output Swings Rail-to-Rail
n
Low Broadband Voltage Noise: 2.75nV/√Hz
n
Power-Down Mode: 42μA
n
Fast Output Recovery
n
Supply Voltage Range: 2.5V to 5.25V
n
Input Offset Voltage: 350V Max
n
Large Output Current: 90mA
n
CMRR: 105dB
n
Open Loop Gain: 60V/mV
n
Operating Temperature Range: –40°C to 125°C
n
Single in 6-Pin TSOT-23
n
Dual in MS8, 2mm
× 2mm DFN, 8-Pin TS0T-23, MS10
n
Quad in MS16
n
Low Voltage, High Frequency Signal Processing
n
Driving A/D Converters
n
Rail-to-Rail Buffer Amplifiers
n
Active Filters
n
Battery Powered Equipment
5V Single-Supply 16-Bit ADC Driver
LTC6253 Driving LTC2393-16
16-Bit ADC 5V Single-Supply
Performance
5V
0.1F
10F
5V
~2.08V
0.1F
10F
SER/PAR
BYTESWAP
OB/2C
CS
RD
BUSY
PARALLEL
OR
SERIAL
INTERFACE
OGND
625234 TA01
IN–
IN+
3900pF
249
100
249
100
VIN
27.4mV TO
(3.5V + 27.4mV)
GND
RESET
CNVST
PD
SAMPLE CLOCK
REFOUT
REFIN
AVP
DVP
LTC2393-16
OVP
1.8V TO 5V
16 BIT
VCM
1F
10F
2.5k
143
845
4.7F
–
+
LTC6253
5V
–
+
LTC6253
FREQUENCY (kHz)
0
AMPLITUDE
(dBFS)
0
–80
–20
–40
–60
–100
–120
–140
–160
200
400
100
300
624678 TA01b
500
fS = 1Msps
F1 = 20.111kHz
F1 AMPLITUDE
= –1.032dBFS
SNR = 93.28dB
THD = –100.50dB
SINAD = 92.53dB
SFDR = 104.7dB
F2 = –106.39dBc
F3 = –104.70dBc
F4 = –114.13dBc
F5 = –105.48dBc
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