Datasheet

LTC2631
16
2631fc
For more information www.linear.com/LTC2631
typical perFormance characteristics
LTC2631
Multiplying Bandwidth
Noise Voltage vs Frequency
0.1Hz to 10Hz Voltage Noise
Supply Current vs Logic Voltage
Supply Current
vs REF_SEL Voltage
FREQUENCY (Hz)
100
NOISE VOLTAGE (nV/√Hz)
200
300
1M
2631 G34
100
0
1k
10k
100k
500
400
INTERNAL REF.
CODE = MIDSCALE
LTC2631-H
(V
CC
= 5V)
LTC2631-L
(V
CC
= 4V)
1s/DIV
10µV/DIV
2631 G35
LTC2631-L, V
CC
= 4V
INTERNAL REF.
CODE = MIDSCALE
LOGIC VOLTAGE (V)
0
I
CC
(mA)
1.2
0.8
0.4
1.0
0.6
0.2
0.0
42
2631 G31
531
V
CC
= 5V
V
CC
= 3V
(LTC2631-L)
SWEEP SCL AND SDA
BETWEEN 0V AND V
CC
REF_SEL VOLTAGE (V)
0
I
CC
(mA)
0.5
0.3
0.4
0.2
0.1
42
2631 G32
531
V
CC
= 5V
V
CC
= 3V
(LTC2631-L)
SWEEP REF_SEL
BETWEEN 0V AND V
CC
FREQUENCY (Hz)
1k
dB
0
–2
–6
–8
–14
–4
–12
–10
–16
–18
100k
2631 G33
1000k10k
V
CC
= 5V
V
REF(DC)
= 2V
V
REF(AC)
= 0.2V
P-P
CODE = FULL SCALE
T
A
= 25°C, unless otherwise noted.