Datasheet
LT6552
8
6552f
FREQUENCY (Hz)
100
INPUT NOISE VOLTAGE DENSITY (nV/√Hz)
225
200
175
150
125
100
75
50
25
1k 10k 100k
6552 G11
FREQUENCY (Hz)
100
INPUT NOISE CURRENT DENSITY (pA/√Hz)
5
4
3
2
1
0
1k 10k 100k
6552 G12
FREQUENCY (Hz)
1M 10M
6552 G13
100k 100M
CLOSED-LOOP VOLTAGE GAIN (dB)
10
9
8
7
6
5
4
3
2
1
0
OPEN-LOOP GAIN
70
60
50
40
30
20
10
0
–10
–20
–30
140
120
100
80
60
40
20
0
–20
–40
–60
FREQUENCY (Hz)
CLOSED-LOOP VOLTAGE GAIN (dB)
6.2
6.1
6.0
5.9
5.8
5.7
10k 1M 10M 100M
6552 G14
6552 G15
100k
FREQUENCY (Hz)
100k 10M 100M 500M1M
TEMPERATURE (°C)
–50
GAIN BANDWIDTH
PRODUCT (MHz)
140
120
100
80
40
30
20
25 75
6552 G16
–25 0
50 100 125
TEMPERATURE (°C)
–50
–3dB BANDWIDTH (MHz)
85
80
75
70
65
60
55
25 75
6552 G18
–25 0
50 100 125
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWIDTH
PRODUCT (MHz)
130
120
110
40
30
20
4
8
10
6552 G17
2
6
12
14
V
S
= 5V, 0V
V
CM
= 1V
V
S
= 5V, 0V
V
CM
= 1V
A
V
= 2
V
OUT
= 1.5V DC
V
S
= 3.3V, 0V
C
L
= 5pF
R
L
= 1k
A
V
= 2
R
L
= 150Ω
A
V
= 2
V
OUT
= 1.5V DC
V
S
= 3.3V, 0V
C
L
= 5pF
R
L
= 1k
T
A
= 25°C
7
6
LT6552
4
1
8
V
OUT
+
3
–
REF
FB
2
R
F
500Ω
R
G
500Ω
3.3V
R
L
150Ω
C
F
8pF
V
IN
V
DC
7
6
LT6552
4
1
8
V
OUT
+
3
–
REF
FB
2
R
F
500Ω
R
G
500Ω
3.3V
R
L
150Ω
C
F
8pF
V
IN
V
DC
PHASE (DEG)
PHASE
GAIN
V
S
= ±5V
V
S
= 3.3V, OV
V
CM
= 1V
V
S
= 3.3V, OV
V
CM
= 1V
V
S
= ±5V
V
S
= 3.3V, OV
V
CM
= 1V
V
S
= 3.3V, OV
V
OUT
= 1.5V
V
S
= 3.3V, OV
V
CM
= 1V
V
S
= ±5V
V
S
= ±5V
V
S
= ±5V
PHASE MARGIN
PHASE MARGIN
GAIN BANDWIDTH PRODUCT
GAIN BANDWIDTH PRODUCT
PHASE MARGIN (DEG)
PHASE MARGIN (DEG)
C
L
= 5pF
R
L
= 1k
T
A
= 25°C
V
CM
=1V
OUTPUT VOLTAGE (V)
500
400
300
200
100
0
–100
–200
–300
–400
–500
CHANGE IN INPUT OFFSET VOLTAGE (µV)
6552 G10
0123
4
5
–1–2–3
–4
–5
V
S
= ±5V
R
L
= 150Ω
R
L
= 1k
0.1M
Open-Loop Gain
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Input Noise Voltage Density vs
Frequency
Input Noise Current Density vs
Frequency
Closed-Loop Voltage Gain vs
Frequency Gain Flatness vs Frequency
Open-Loop Gain and Phase vs
Frequency
Gain Bandwidth Product and
Phase Margin vs Temperature
Gain Bandwidth Product and
Phase Margin vs Supply Voltage –3dB Bandwidth vs Temperature