Datasheet

LTC6915
9
6915fb
Typical perForMance characTerisTics
Output Voltage Swing vs
Output Current
Output Voltage Swing vs
Output Current
Low Gain Settling Time vs
Settling Accuracy
Settling Time vs Gain
Internal Clock Frequency vs
Supply Voltage
Additional Gain Error vs Load
Resistance
Input Voltage Noise Density
vs Frequency
Input Referred Noise in
10Hz Bandwidth
Input Referred Noise in
10Hz Bandwidth
FREQUENCY (Hz)
1
INPUT REFERRED NOISE DENSITY (nV/√Hz)
300
250
200
150
100
50
0
10 100 1000 10000
6915 G19
A
V
= 16
T
A
= 25°C
V
S
= ±5V
V
S
= 5V
V
S
= 3V
TIME (s)
0
INPUT REFFERED NOISE VOLTAGE (µV)
3
2
1
0
–1
–2
–3
2 4 6 8
6915 G20
10
V
S
= 3V
T
A
= 25°C
TIME (s)
0
INPUT REFFERED NOISE VOLTAGE (µV)
3
2
1
0
–1
–2
–3
2 4 6 8
6915 G21
10
V
S
= 5V
T
A
= 25°C
OUTPUT CURRENT (mA)
0.01
OUTPUT VOLTAGE SWING (V)
0.1
1 10
6915 G22
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
T
A
= 25°C
V
S
= 5V, SOURCING
V
S
= 3V, SOURCING
V
S
= 5V, SINKING
V
S
= 3V, SINKING
SOURCING
SINKING
OUTPUT CURRENT (mA)
0.01
OUTPUT VOLTAGE SWING (V)
0.1
1 10
6915 G23
5
4
3
2
1
0
–1
–2
–3
–4
–5
V
S
= ±5V
T
A
= 25°C
SETTLING ACCURACY (%)
0.0001
SETTLING TIME (ms)
6915 G24
0.001
0.01
0.1
8
7
6
5
4
3
2
1
0
V
S
= 5V
dV
OUT
= 1V
G 100
T
A
= 25°C
GAIN (V/V)
1
SETTLING TIME (ms)
35
30
25
20
15
10
5
0
10 100 1000 10000
6915 G25
V
S
= 5V
dV
OUT
= 1V
0.1% ACCURACY
T
A
= 25°C
SUPPLY VOLTAGE (V)
2.5
CLOCK FREQUENCY (kHz)
10.5
6915 G26
4.5
6.5
8.5
3.40
3.35
3.30
3.25
3.20
3.15
3.10
T
A
= –55°C
T
A
= 85°C
T
A
= 125°C
T
A
= 25°C
LOAD RESISTANCE R
L
(k)
0
ADDITIONAL GAIN ERROR (%)
0.1
0
–0.1
–0.2
–0.3
–0.4
8
6915 G27
2
4
6
10
A
V
= 4096
A
V
= 256
A
V
= 16