LT1990AIS8 Linear Technology, LT1990AIS8 Datasheet - Page 16

• Manufacturer Part Number: LT1990AIS8
• Description: IC AMP DIFF +/-250V MCRPWR 8SOIC
• Manufacturer: Linear Technology

Specifications of LT1990AIS8

• Amplifier Type: Differential
• Number Of Circuits: 1
• Output Type: Rail-to-Rail
• Slew Rate: 0.55 V/µs
• -3db Bandwidth: 105kHz
• Voltage - Input Offset: 900µV
• Current - Supply: 140µA
• Current - Output / Channel: 22mA
• Voltage - Supply, Single/dual (±): 2.7 V ~ 36 V, ±1.35 V ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Gain Bandwidth Product: -
• Current - Input Bias: -

RELATED PARTS
LT1990
TYPICAL APPLICATIO
PACKAGE DESCRIPTIO
16
PART NUMBER
LT1787
LT1789
LTC1921
LT1991
LT1995
LT6910
.030 ±.005
V
TYP
OUT
.245
MIN
RECOMMENDED SOLDER PAD LAYOUT
–77V ≤ V
= V
LOAD
REF
Telecom Supply Current Monitor
– (10 • I
.050 BSC
CM
R
S
I
≤ 8V
L
L
• R
+
–
48V
S
)
IN
LT6650
DESCRIPTION
Precision High Side Current Sense Amplifier
Micropower Instrumentation Amplifier
Dual –48V Supply and Fuse Monitor
High Accuracy Difference Amplifier
30MHz, 1000V/µs Gain Selectable Amplifier
Single Supply Programmable Gain Amplifier
4
GND
3
2
REF
2
.045 ±.005
OUT
+
–
.160 ±.005
FB
LT1990
1
5
5V
1
7
4
G2
G1
(0.203 – 0.254)
174k
.008 – .010
5
8
20k
6
V
REF
1µF
(0.254 – 0.508)
U
= 4V
1nF
.010 – .020
V
NOTE:
1. DIMENSIONS IN
2. DRAWING NOT TO SCALE
3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
OUT
U
1990 AI01
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
8-Lead Plastic Small Outline (Narrow .150 Inch)
(0.406 – 1.270)
.016 – .050
× 45°
Bidirectional Controlled Current Source
(HI = 10X, LO = 1X)
(Reference LTC DWG # 05-08-1610)
Selectable Gain Amplifier
(MILLIMETERS)
GAIN_SEL
INCHES
V
OUTPUT IS 1mA PER 100mV INPUT
0°– 8° TYP
V
V
CTL
IN
IN
EXAMPLE: FOR R
+
–
I
LOAD =
S8 Package
REF
3
2
3
2
REF
+
–
(1.346 – 1.752)
+
–
(0.355 – 0.483)
V
.053 – .069
LT1990
LT1990
1
.014 – .019
1
CTL
+V
+V
–V
/R
TYP
–V
7
7
4
4
SENSE
SENSE
G2
G1
5
8
≤ 5mA
=100Ω,
6
6
COMMENTS
On-Chip Precision Resistor Array
Micropower, Precision, G = 1 to 1000
Withstands ±200V Transients
Micropower, Precision, Pin Selectable G = –13 to 14
Pin Selectable G = –7 to 8
Digitally Controlled, SOT-23, G = 0 to 100
R
SENSE
I
2N7002
LOAD
1990 AI03
1990 AI02
V
OUT
2N7002
Boosted Bidirectional Controlled Current Source
(1.270)
.050
BSC
(0.101 – 0.254)
.004 – .010
V
CTL
(5.791 – 6.197)
.228 – .244
3
2
REF
+
–
© LINEAR TECHNOLOGY CORPORATION 2004
LT1990
OUTPUT IS 1mA PER 10mV INPUT
1
EXAMPLE: FOR R
I
+V
LOAD =
–V
7
1k
4
1k
V
CTL
8
1
6
CZT751
CZT651
LT 0406 REV B • PRINTED IN USA
/R
+
(4.801 – 5.004)
SENSE
.189 – .197
SENSE
7
2
NOTE 3
10µF
≤ 100mA
=10Ω,
6
3
5
4
1990 AI04
R
SENSE
I
LOAD
(3.810 – 3.988)
.150 – .157
NOTE 3
1990fb
SO8 0303