Datasheet

LTC2630
11
2630ff
2µs/DIV
0.5V/DIV
2630 G22
V
FS
= V
CC
= 5V
1/4 SCALE TO 3/4 SCALE
typical perFormance characteristics
LTC2630
Large-Signal Response
I
OUT
(mA)
0 1 2 3 4 5 6 7 8 9 10
V
OUT
(V)
2.5
2.0
3.5
3.0
4.0
2630 G25
1.5
1.0
0.5
0
5.0
4.5
5V SOURCING
3V (LTC2630-L) SOURCING
3V (LTC2630-L) SINKING
5V SINKING
Headroom at Rails
vs Output Current 0.1Hz to 10Hz Voltage Noise
LOGIC VOLTAGE (V)
0 1 2 3 4 5
I
CC
(mA)
0.4
0.6
0.8
2630 G29
0.2
0
1.0
V
CC
= 5V
V
CC
= 3V
(LTC2630-L)
SWEEP SCK, SDI, CS/LD
BETWEEN 0V AND V
CC
Supply Current vs Logic Voltage
1s/DIV
10µV/DIV
2630 G27
V
CC
= 4V, V
FS
= 2.5V
CODE = MIDSCALE
Noise Voltage vs Frequency
2µs/DIV
LTC2630-H12, V
CC
= 5V:
2.4nV-s TYP
LTC2630-L12, V
CC
= 3V:
2.0nV-s TYP
V
OUT
5mV/DIV
2630 G23
CS/LD
5V/DIV
INTERNAL REF
Mid-Scale-Glitch Impulse
Power-On Reset Glitch
200µs/DIV
V
CC
2V/DIV
2630 G24
LTC2630-L
V
OUT
2mV/DIV
ZERO-SCALE
FREQUENCY (Hz)
100
NOISE VOLTAGE (nV/√Hz)
200
300
1M
2630 G26
100
0
1k
10k
100k
500
400
CODE = MIDSCALE
LTC2630-H
(V
CC
= 5V)
LTC2630-L
(V
CC
= 4V)
Exiting Power-Down to Mid-Scale
4µs/DIV
2630 G28
LTC2630-H
CS/LD
2V/DIV
V
OUT
0.5V/DIV