Datasheet

LTC2636
14
2636fb
typical perFormance characteristics
Multiplying Bandwidth Noise Voltage vs Frequency
Gain Error vs Reference Input
0.1Hz to 10Hz Voltage Noise
DAC to DAC Crosstalk (Dynamic) Gain Error vs Temperature
LTC2636
T
A
= 25°C, unless otherwise noted.
FREQUENCY (Hz)
dB
2636 G31
2
0
–16
–14
–12
–10
–8
–6
–4
–2
–18
1k 100k 1M10k
V
CC
= 5V
V
REF(DC)
= 2V
V
REF(AC)
= 0.2V
P-P
CODE = FULL-SCALE
FREQUENCY (Hz)
100
NOISE VOLTAGE (nV/√Hz)
500
400
300
200
100
0
1k 100k
2636 G32
1M10k
V
CC
= 5V
CODE = MID-SCALE
INTERNAL REF.
LTC2636-H
LTC2636-L
REFERENCE VOLTAGE (V)
1
GAIN ERROR (%FSR)
1.0
0.8
0.6
0.4
–0.6
–0.8
–0.4
–0.2
0.2
0
–1.0
1.5 54.54
2636 G33
5.52 2.5 3 3.5
V
CC
= 5.5V
GAIN ERROR OF 8 CHANNELS
1s/DIV
10µV/DIV
2636 G34
V
CC
= 5V, V
FS
= 2.5V
CODE = MIDSCALE
INTERNAL REF.
2µs/DIV
V
OUT
1mV/DIV
1 DAC
SWITCH 0-FS
2V/DIV
CS/LD
5V/DIV
2636 G35
LTC2636-H12, V
CC
= 5V
2.4nV•s TYP
C
REF
= 0.1µF
TEMPERATURE (°C)
–50
GAIN ERROR (%FSR)
1.0
0.5
0
–0.5
–1.0
–25 125100755025
2636 G36
1500