APPLICATIONS INFOR
參數(shù)資料
型號: LT1671IS8#TR
廠商: Linear Technology
文件頁數(shù): 12/12頁
文件大?。?/td> 0K
描述: IC COMPARATOR 60NS LOW PWR 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
類型: 帶鎖銷
元件數(shù): 1
輸出類型: CMOS,補(bǔ)充型,TTL
電壓 - 輸入偏移(最小值): 2.5mV @ ±5V
電流 - 輸入偏壓(最小值): 0.28µA @ ±5V
電流 - 輸出(標(biāo)準(zhǔn)): 20mA
電流 - 靜態(tài)(最大值): 800µA
CMRR, PSRR(標(biāo)準(zhǔn)): 100dB CMRR,85dB PSRR
傳輸延遲(最大): 80ns
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
安裝類型: 表面貼裝
包裝: 帶卷 (TR)
9
LT1671
APPLICATIONS INFORMATION
WU
U
Figure 5 is a very versatile stage. It features a bipolar swing
that is set by the output transistor’s supplies. This 3ns
delay stage is ideal for driving FET switch gates. Q1, a
gated current source, switches the Baker-clamped output
transistor, Q2. The heavy feedforward capacitor from the
OUTPUT = 0
→ +V (TYPICALLY 3V TO 4V)
1671 F03
+V
1671 F04
1k
12pF
HP5082-2810
2N2369
2N3866
RISE TIME = 4ns
FALL TIME = 5ns
OUT
15V
+
1k
LT1671
Figure 3. Simplified LT1671 Output Stage
Figure 4. Level Shift Has Noninverting Voltage Gain
1671 F05
OUTPUT TRANSISTOR SUPPLIES
(SHOWN IN HEAVY LINES)
CAN BE REFERENCED ANYWHERE
BETWEEN 15V AND –15V
1000pF
–10V (TYP)
1N4148
5V (TYP)
INPUT
5V
–10V
+
0.1
F
820
LT1671
4.7k
820
RISE TIME = 3ns
FALL TIME = 3ns
430
330
Q1
2N2907
Q2
2N2369
OUTPUT
HP5082-2810
Figure 5. Level Shift with Inverting Voltage Gain—Bipolar Swing
1671 F06
1k
12pF
2N2369
2N3866
2N5160
POWER
FET
RISE TIME = 7ns
FALL TIME = 9ns
15V
+
1k
RL
LT1671
Figure 6. Noninverting Voltage Gain Level Shift
LT1671 is the key to low delay, providing Q2’s base with
nearly ideal drive. This capacitor loads the LT1671’s
output transition, but Q2’s switching is clean with 3ns
delay on the rise and fall of the pulse. Figure 6 is similar to
Figure 4 except that a sink transistor has replaced the
Schottky diode. The two emitter-followers drive a power
MOSFET that switches 1A at 15V. Most of the 7ns to 9ns
delay in this stage occurs in the MOSFET and the 2N2369.
When designing level shifters, remember to use transis-
tors with fast switching times and high fT. To get the kind
of results shown, switching times in the nanosecond
range and an fT approaching 1GHz are required.
相關(guān)PDF資料
PDF描述
LTC1441IS8#PBF IC COMP W/REF LP DUAL 8-SOIC
LTC1441IS8 IC COMP W/REF LP DUAL 8-SOIC
CS5550-ISZ IC ADC 2CH LOW-COST 24SSOP
VE-2W0-MY-B1 CONVERTER MOD DC/DC 5V 50W
LTC1441IN8#PBF IC COMP W/REF LP DUAL 8-DIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1672 制造商:LINER 制造商全稱:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter
LT1672CMS8 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源,單路/雙路(±):4.5 V ~ 16.5 V,±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°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-SOIC 包裝:帶卷 (TR)
LT1672CMS8#PBF 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 36 V,±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR)
LT1672CMS8#TR 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)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:10-TFSOP,10-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件
LT1672CMS8#TRPBF 功能描述:IC OPAMP R-R IN/OUT SNGL 8-MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 36 V,±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR)