參數(shù)資料
型號(hào)： LT1397CS#PBF
廠商： Linear Technology
文件頁(yè)數(shù)： 16/20頁(yè)
文件大?。?/td> 0K
描述： IC CURRNT FEEDBK AMP QUAD 14SOIC
標(biāo)準(zhǔn)包裝： 55
放大器類型： 電流反饋
電路數(shù)： 4
轉(zhuǎn)換速率： 800 V/µs
-3db帶寬： 400MHz
電流 - 輸入偏壓： 10µA
電壓 - 輸入偏移： 1000µV
電流 - 電源： 4.6mA
電流 - 輸出 / 通道： 80mA
電壓 - 電源，單路/雙路(±)： 4 V ~ 12 V，±2 V ~ 6 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 14-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 14-SO
包裝： 管件
LT1395/LT1396/LT1397
5
139567fd
ELECTRICAL CHARACTERISTICS
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: This parameter is guaranteed to meet specied performance
through design and characterization. It has not been tested.
Note 3: A heat sink may be required depending on the power supply
voltage and how many ampliers have their outputs short circuited.
The
θJA specied for the DD package is with minimal PCB heat spreading
metal. Using expanded metal area on all layers of a board reduces
this value.
Note 4: The LT1395C/LT1396C/LT1397C are guaranteed functional over the
operating temperature range of –40°C to 85°C. The LT1397H is guaranteed
functional over the operating temperature range of –40°C to 125°C.
Note 5: The LT1395C/LT1396C/LT1397C are guaranteed to meet specied
performance from 0°C to 70°C. The LT1395C/LT1396C/LT1397C are
designed, characterized and expected to meet specied performance from
–40°C and 85°C but are not tested or QA sampled at these temperatures.
The LT1397H is guaranteed to meet specied performance from –40°C to
125°C. For guaranteed I-grade parts, consult the factory.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tON
Turn-On Delay Time (Note 9)
RF = RG = 255Ω, RL = 100Ω, (LT1395CS6 only)
30
75
ns
tOFF
Turn-Off Delay Time (Note 9)
RF = RG = 255Ω, RL = 100Ω, (LT1395CS6 only)
40
100
ns
–3dB BW
–3dB Bandwidth
AV = 1, RF = 374Ω, RL = 100Ω
AV = 2, RF = RG = 255Ω, RL = 100Ω
400
350
MHz
0.1dB BW
0.1dB Bandwidth
AV = 1, RF = 374Ω, RL = 100Ω
AV = 2, RF = RG = 255Ω, RL = 100Ω
100
MHz
tr, tf
Small-Signal Rise and Fall Time
RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P
1.3
ns
tPD
Propagation Delay
RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P
2.5
ns
os
Small-Signal Overshoot
RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P
10
%
tS
Settling Time
0.1%, AV = –1, RF = RG = 280Ω, RL = 150Ω
25
ns
dG
Differential Gain (Note 8)
RF = RG = 255Ω, RL = 150Ω
0.02
%
dP
Differential Phase (Note 8)
RF = RG = 255Ω, RL = 150Ω
0.04
DEG
Note 6:
TJ is calculated from the ambient temperature TA and the power
dissipation PD according to the following formula:
LT1395CS5: TJ = TA + (PD 250°C/W)
LT1396CS6: TJ = TA + (PD 230°C/W)
LT1395CS8: TJ = TA + (PD 150°C/W)
LT1396CS8: TJ = TA + (PD 150°C/W)
LT1396CMS8: TJ = TA + (PD 250°C/W)
LT1396CDD: TJ = TA + (PD 160°C/W)
LT1397CS14: TJ = TA + (PD 100°C/W)
LT1397CGN16: TJ = TA + (PD 135°C/W)
LT1397CDE: TJ = TA + (PD 43°C/W)
LT1397HDE: TJ = TA + (PD 43°C/W)
Note 7: Slew rate is measured at ±2V on a ±3V output signal.
Note 8: Differential gain and phase are measured using a Tektronix
TSG120YC/NTSC signal generator and a Tektronix 1780R Video
Measurement Set. The resolution of this equipment is 0.1% and 0.1°.
Ten identical amplier stages were cascaded giving an effective resolution
of 0.01% and 0.01°.
Note 9: For LT1395CS6, turn-on delay time (tON) is measured from control
input to appearance of 1V(50%) at the output, for VIN = 1V and AV = 2.
Likewise, turn-off delay time (tOFF) is measured from control input to
appearance of 1V(50%) on the output for VIN = 1V and AV = 2.
This specication is guaranteed by design and characterization.
The ● denotes specications which apply over the specied operating temperature range, otherwise specications are at TA = 25°C.
For each amplier: VCM = 0V, VS = ±5V, pulse tested, unless otherwise noted. (Note 5)
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