lt1638is8-trpbf Linear Technology Corporation, lt1638is8-trpbf Datasheet
lt1638is8-trpbf
Related parts for lt1638is8-trpbf
lt1638is8-trpbf Summary of contents
Page 1
... Supply Current Sensing ■ Battery Monitoring ■ Micropower Active Filters ■ 4mA to 20mA Transmitters , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. Over-The-Top is a registered trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. U TYPICAL APPLICATIO ® Over-The-Top ...
Page 2
... JMAX = 150°C, θ T JMAX ORDER PART NUMBER TOP VIEW LT1638CN8 + 8 V LT1638IN8 7 OUT B LT1638CS8 A 6 –IN B LT1638IS8 B 5 +IN B LT1638HS8 S8 PACKAGE S8 PART MARKING 8-LEAD PLASTIC SO = 150°C/W (N8) JA 1638 = 190°C/W (S8) JA 1638I 1638H ORDER TOP VIEW PART NUMBER OUT D ...
Page 3
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are 3V, 0V 5V, 0V half supply, unless otherwise noted. (Note ...
Page 4
LT1638/LT1639 ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are 3V, 0V 5V, 0V half supply, unless otherwise noted. (Note 4) S ...
Page 5
ELECTRICAL CHARACTERISTICS range, otherwise specifications are at T SYMBOL PARAMETER I Short-Circuit Current (Note 2) SC PSRR Power Supply Rejection Ratio I Supply Current per Amplifier S GBW Gain Bandwidth Product SR Slew Rate denotes the specifications which apply over ...
Page 6
LT1638/LT1639 ELECTRICAL CHARACTERISTICS denotes the specifications which apply over the full operating temperature range of –40°C ≤ T The ● = ±15V, V specifications are 25° SYMBOL PARAMETER V Input Offset Voltage OS Input ...
Page 7
W U TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Supply Voltage 300 280 260 T = 125°C A 240 220 T = 25°C A 200 180 T = –55°C A 160 140 120 100 ...
Page 8
LT1638/LT1639 W U TYPICAL PERFORMANCE CHARACTERISTICS Gain and Phase Shift vs Frequency 80 = ±2. PHASE GAIN –10 – 100 1000 FREQUENCY (kHz) 1638/39 G12 Gain Bandwidth Product ...
Page 9
W U TYPICAL PERFORMANCE CHARACTERISTICS Settling Time to 0.1% vs Output Step 10 = ±15V – –2 – –1 V – ...
Page 10
LT1638/LT1639 U U APPLICATIONS INFORMATION Supply Voltage The positive supply pin of the LT1638/LT1639 should be bypassed with a small capacitor (typically 0.1μF) within an inch of the pin. When driving heavy loads an additional 4.7μF electrolytic capacitor should be ...
Page 11
U U APPLICATIONS INFORMATION nonlinear common mode rejection. If the op amp is oper- ating inverting there is no common mode induced distor- tion. If the op amp is operating in the PNP input stage + (input is not within ...
Page 12
LT1638/LT1639 U TYPICAL APPLICATIONS The application in Figure 3 utilizes the Over-The-Top capabilities of the LT1638. The 0.2Ω resistor senses the load current while the op amp and NPN transistor form a closed loop making the collector current of Q1 ...
Page 13
PACKAGE DESCRIPTION 3.5 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 0.50 BSC 2.38 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 0.889 ± 0.127 (.035 ± .005) 5.23 3.20 – 3.45 (.206) (.126 – .136) MIN ...
Page 14
LT1638/LT1639 PACKAGE DESCRIPTION .300 – .325 (7.620 – 8.255) .065 (1.651) .008 – .015 TYP (0.203 – 0.381) +.035 .325 –.015 ( ) +0.889 8.255 –0.381 NOTE: INCHES 1. DIMENSIONS ARE MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR ...
Page 15
... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights Package 14-Lead PDIP (Narrow ...
Page 16
... LOGIC HIGH (5V) = CHARGING LOGIC LOW (0V) = DISCHARGING + D V OUT 1/4 LT1639 – 90.9k 1638/39 F05 5V OS(MAX) OS(MAX) , 500V/ 400kHz GBW OS(MAX) VOL(MIN) Extends 44V above MSOP Package, Shutdown Function CC LT 0707 REV D • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1998 16389fd ...