LT1997I-2.................................................–40 to 85°C
LT1997H-2 ............................................. –40 to 125°C
Maximum Junction Temperature .......................... 150°C
Storage Temperature Range ......................–65 to 150°C
MSOP Lead Temperature (Soldering, 10 sec)........ 300°C
PIN CONFIGURATION
TOP VIEW
+INA
+INB
NC
+INC
SHDN
REF
1
3
4
5
6
7
15
V–
14 –INA
12 –INB
11 NC
10 –INC
9 V+
8
OUT
TOP VIEW
+INA 1
+INB 3
+INC
REF1
REF2
V–
5
6
7
8
16 –INA
14 –INB
12
11
10
9
–INC
V+
SHDN
OUT
MS PACKAGE
VARIATION: MS16 (12)
16-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 130°C/W
DF PACKAGE
14(12)-LEAD (4mm
×
4mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 45°C/W ,
θ
JC
= 3°C/W
EXPOSED PAD (PIN 15) IS V
–
, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT1997IDF-2#PBF
LT1997HDF-2#PBF
LT1997IMS-2#PBF
LT1997HMS-2#PBF
TAPE AND REEL
LT1997IDF-2#TRPBF
LT1997HDF-2#TRPBF
LT1997IMS-2#TRPBF
LT1997HMS-2#TRPBF
PART MARKING*
19972
19972
19972
19972
PACKAGE DESCRIPTION
14-Lead (4mm × 4mm) Plastic DFN
14-Lead (4mm × 4mm) Plastic DFN
16-Lead Plastic MSOP
16-Lead Plastic MSOP
SPECIFIED
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°C
*The temperature grade is identified by a label on the shipping container. Consult ADI Marketing for parts specified with wider operating temperature ranges.
Parts ending with PBF are RoHS and WEEE compliant.
Tape and reel specifications.
Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
Rev 0
2
For more information
www.analog.com
LT1997-2
The
l
denotes the specifications which apply over the full operating
temperature range, –40°C < T
A
< 85°C for I-grade parts, –40°C < T
A
< 125°C for H-grade parts, otherwise specifications are at
T
A
= 25°C. Difference Amplifier Configuration, V
+
= 15V, V
–
= –15V, V
CM
= V
OUT
= V
REF
= V
REF1
= V
REF2
= 0V. V
CMOP
is the common
mode voltage of the internal op amp.
SYMBOL PARAMETER
∆G
Gain Error
CONDITIONS
V
OUT
= ±2.8V
G = 0.1
V
OUT
= ±5.6V
G = 0.2
V
OUT
= ±7V
G = 0.25
V
OUT
= ±7V
V
OUT
= ±7V
l
l
ELECTRICAL CHARACTERISTICS
MIN
TYP
±0.001
±0.001
MAX
±0.006
±0.008
±0.006
±0.008
±0.006
±0.008
±1
±2
±3
±80
±200
±1.5
5
15
3
10
160
87
73
580
290
232
UNITS
%
%
%
%
%
%
ppm/°C
ppm
ppm
µV
µV
µV/°C
nA
nA
nA
nA
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
V
V
l
±0.001
l
l
∆G/∆T
GNL
V
OS
∆V
OS
/∆T
I
B
I
OS
R
IN
Gain Drift vs Temperature (Note 6)
Gain Nonlinearity
Op Amp Offset Voltage (Note 9)
Op Amp Offset Voltage Drift (Note 6)
Op Amp Input Bias Current
Op Amp Input Offset Current
Input Impedance (Note 8)
±0.2
±1
±20
V
–
< V
CMOP
< V
+
– 1.75V
l
V
–
< V
CMOP
< V
+
– 1.75V
V
–
+ 0.25V < V
CMOP
< V
+
– 1.75V
l
l
±0.5
–5
–15
–3
–10
115
63
52
420
210
168
105
103
101
99
101
98
103
101
103
101
99
97
99
97
99
97
99
97
–255
–140
–115
±2
±0.5
137.5
75
62.5
500
250
200
120
118
118
118
118
116
116
116
116
V
–
+ 0.25V < V
CMOP
< V
+
– 1.75V
l
CMRR
Common Mode Rejection Ratio,
Referred to Output, MS16 Package
Common Mode
G = 0.1
G = 0.2
G = 0.25
Differential
G = 0.1
G = 0.2
G = 0.25
G = 0.1, V
CM
= ±28V
G = 0.2, V
CM
= ±28V
l
l
l
l
l
l
l
l
G = 0.25, V
CM
= ±28V
l
CMRR
Common Mode Rejection Ratio,
Referred to Output, DF14 Package
G = 0.1, V
CM
= ±28V
l
G = 0.1, V
CM
= ±255V, V
S
= ±25V
l
G = 0.2, V
CM
= ±28V
l
G = 0.2, V
CM
= ±140V, V
S
= ±25V
l
G = 0.25, V
CM
= ±28V
l
G = 0.25, V
CM
= ±115V, V
S
= ±25V
l
V
CM
Input Voltage Range (Note 7)
+INA/–INA
+INB/–INB
+INC/–INC
l
l
l
255
140
115
Rev 0
For more information
www.analog.com
3
LT1997-2
The
l
denotes the specifications which apply over the full operating
temperature range, –40°C < T
A
< 85°C for I-grade parts, –40°C < T
A
< 125°C for H-grade parts, otherwise specifications are at
T
A
= 25°C. Difference Amplifier Configuration, V
+
= 15V, V
–
= –15V, V
CM
= V
OUT
= V
REF
= V
REF1
= V
REF2
= 0V. V
CMOP
is the common
mode voltage of the internal op amp.
SYMBOL PARAMETER
∆R/R
Reference Divider Matching Error
∆R
R
–R
=
REF1 REF2
R
⎛
R
REF1
+
R
REF2
⎞
⎜
⎟
⎝
⎠
2
Power Supply Rejection Ratio (Note 9)
Output Noise Voltage Density
CONDITIONS
Available in MS16 Package Only
l
ELECTRICAL CHARACTERISTICS
MIN
TYP
±0.002
MAX
±0.009
±0.011
UNITS
%
%
PSRR
e
ni
V
S
= ±1.65V to ±25V, V
CM
= V
OUT
= Mid-Supply
f = 1kHz
G = 0.1
G = 0.2
G = 0.25
f = 0.1Hz to 10Hz
G = 0.1
G = 0.2
G = 0.25
No Load
I
SINK
= 5mA
No Load
I
SOURCE
= 5mA
50Ω to V
+
50Ω to V
–
∆V
OUT
= ±7V
G = 0.1
G = 0.2
G = 0.25
G = 0.1
0.1%, ∆V
OUT
= 10V
0.01%, ∆V
OUT
= 10V
G = 0.2
0.1%, ∆V
OUT
= 10V
0.01%, ∆V
OUT
= 10V
G = 0.25
0.1%, ∆V
OUT
= 10V
0.01%, ∆V
OUT
= 10V
l
114
124
37
39
40
0.9
0.95
1
50
280
50
450
30
32
0.75
1
1.2
1.1
15
19
16.9
20.6
17.1
20.9
dB
nV/√Hz
nV/√Hz
nV/√Hz
µV
P-P
µV
P-P
µV
P-P
mV
mV
mV
mV
mA
mA
V/µs
MHz
MHz
MHz
µs
µs
µs
µs
µs
µs
V
V
µs
V
V
µA
µA
µA
µA
µA
Output Noise Voltage
V
OL
V
OH
I
SC
SR
BW
t
S
Output Voltage Swing Low (Referred
to V
–
)
Output Voltage Swing High (Referred
to V
+
)
Short-Circuit Output Current
Slew Rate
Small Signal –3dB Bandwidth
Settling Time
l
l
l
l
l
l
l
150
500
150
900
10
10
0.45
V
S
t
ON
V
IL
V
IH
I
SHDN
I
S
Supply Voltage
l
3
3.3
16
50
50
–2.5
Turn-On Time
SHDN
Input Logic Low (Referred to V
+
)
SHDN
Input Logic High (Referred to V
+
)
SHDN
Pin Current
Supply Current
Active, V
SHDN
≥ V
+
– 1.2V
Active, V
SHDN
≥ V
+
– 1.2V
Shutdown, V
SHDN
≤ V
+
– 2.5V
Shutdown, V
SHDN
≤ V
+
– 2.5V
l
l
l
l
–1.2
–10
350
20
–15
400
600
25
70
l
Rev 0
4
For more information
www.analog.com
LT1997-2
The
l
denotes the specifications which apply over the full operating
temperature range, –40°C < T
A
< 85°C for I-grade parts, –40°C < T
A
< 125°C for H-grade parts, otherwise specifications are at
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