2
LT1620/LT1621
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
Power Supply Voltage: VCC ..........................– 0.3V to 7V
Programming Voltage:
PROG, PROG2 ............ – 0.3V to VCC + 0.3V (7V Max)
IOUT, SENSE, AVG, AVG2,
MODE Voltage ................ – 0.3V to VCC + 0.3V (7V Max)
(Referenced to Ground) (Note 1)
Sense Amplifier Input Common Mode ....... – 0.3V to 36V
Operating Ambient Temperature Range
Commercial ............................................ 0
°C to 70°C
Industrial ............................................ – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
WU
U
PACKAGE/ORDER I FOR ATIO
ORDER PART NUMBER
θJA = 149°C/W
TOP VIEW
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SENSE
NC
IOUT
NC
GND
MODE
NC
IN–
AVG
NC
PROG
PROG2
AVG2
VCC
NC
IN+
θJA = 149°C/W
TOP VIEW
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
PROG A
AVG A
SENSE A
IOUT A
GND B
IN– B
IN+ B
VCC B
VCC A
IN+ A
IN– A
GND A
IOUT B
SENSE B
AVG B
PROG B
LT1620CGN
LT1620IGN
LT1621CGN
LT1621IGN
1
2
3
4
8
7
6
5
TOP VIEW
AVG
PROG
VCC
IN+
SENSE
IOUT
GND
IN–
MS8 PACKAGE
8-LEAD PLASTIC MSOP
S8 PACKAGE
8-LEAD PLASTIC SO
ORDER PART NUMBER
MS8 PART MARKING
BC
Consult factory for Military grade parts.
VIN+ = 16.8V, VCC = 5V, VIOUT = 2V, TA = 25°C unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply
VCC
5V Supply Voltage
q
4.5
5.0
5.5
V
ICC
DC Active Supply Current
SENSE = AVG = PROG = PROG2 = VCC
2.8
3.8
mA
LT1620GN
4.5V
≤ VCC ≤ 5.5V, IN+ – IN– = 100mV
q
4.0
mA
DC Active Supply Current
SENSE = AVG = PROG = VCC
2.3
3.3
mA
LT1620S8, LT1620MS8, 1/2 LT1621GN 4.5V
≤ VCC ≤ 5.5V, IN+ – IN– = 100mV
q
3.7
mA
DC Active Supply Current
SENSE = AVG = PROG = VCC
1.3
1.9
mA
LT1620S8, LT1620MS8, 1/2 LT1621GN 4.5V
≤ VCC ≤ 5.5V, IN+ – IN– = 0mV
q
2.1
mA
Current Sense Amplifier
VCM
Input Common Mode Range
q
032
V
VID
Differential Input Voltage Range
0V
≤ VCM ≤ 32V
q
0
125
mV
(IN+ – IN–)
VOSSENSE Input Offset - Measured at ×1 Output
VCC ≤ VCM ≤ 32V
– 5
5
mV
(VSENSE)VID = 80mV
q
–6
6
mV
ELECTRICAL C
C
HARA TERISTICS
LT1620CS8
LT1620IS8
LT1620CMS8
θJA = 250°C/W (MS)
θJA = 120°C/W (S)