LT6656 Linear Technology Corporation, LT6656 Datasheet - Page 5

• Manufacturer Part Number: LT6656
• Description: 1?a Precision Series Voltage Reference
• Manufacturer: Linear Technology Corporation

Typical perForMance characTerisTics
100
10
1k
10
Output Impedance vs Frequency
I
L
= 0
100
I
L
FREQUENCY (Hz)
I
= 10µA
L
= 100µA
40
35
30
25
20
15
10
5
0
1
Output Noise 0.1Hz to 10Hz
Output Noise Voltage Spectrum
vs Load Capacitance
V
C
I
V
I
L
L
S
L
IN
= 0
= 0
= 1µF
= 3V
= 3V
1k
10
FREQUENCY (Hz)
C
V
C
TIME (1s/DIV)
L
IN
L
= 47µF
= 1µF
= 3V
6656 G10
C
10k
L
= 4.7µF
100
C
L
= 0.47µF
100
10
1
0
0
Reverse Input Current
6656 G13
6656 G15
V
OUT
–2 –4 –6 –8
1k
= GND
INPUT VOLTAGE (V)
–10
–12
–100
–150
–200
–14
200
150
100
–50
16
14
12
10
50
8
6
4
2
0
0
T
T
T
T
–16
10
A
A
A
A
0
Output Voltage Noise Spectrum
vs Load Current
Long-Term Drift
V
C
= 125°C
= 85°C
= 25°C
= –40°C
V
C
I
5 TYPICAL PARTS
SOLDERED ONTO PCB
L
S
L
IN
L
100
= 0
–18
= 1µF
= 3V
= 1µF
6656 G11
= 3V
200
–20
300
100
FREQUENCY (Hz)
400
HOURS
100
500
10
1
0
Reverse Output Current
600
V
IN
1k
= GND
700
I
I
I
I
L
L
L
L
800
5
= 0
= 10µA
= 250µA
= 1mA
OUTPUT VOLTAGE (V)
900
6656 G14
6656 G16
1000
10k
10
LT6656
15
T
T
T
T
A
A
A
A
= 125°C
= 85°C
= 25°C
= –40°C
6656 G12

6656f
20