Datasheet

LTC2654
12
2654f
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Logic Voltage Hardware CLR to Mid-Scale Hardware CLR
Multiplying Bandwidth Large-Signal Response Mid-Scale Glitch Impulse
Offset Error vs Reference Input Gain Error vs Reference Input I
CC
Shutdown vs V
CC
LTC2654-16
REFERENCE VOLTAGE (V)
0.5
OFFSET ERROR (mV)
2.0
1.0
0.5
1.5
0
–1.0
–0.5
–1.5
–2.0
1
2654 G24
2.51.5 2
V
CC
= 5.5V
OFFSET ERROR OF 4 CHANNELS
REFERENCE VOLTAGE (V)
0.5
GAIN ERROR (LSB)
64
32
16
48
0
–32
–16
–48
–64
1
2654 G25
2.51.5 2
V
CC
= 5.5V
OFFSET ERROR OF 4 CHANNELS
V
CC
(V)
2.5
I
CC
(nA)
450
300
350
250
400
200
100
150
50
0
3 3.5 4
2654 G26
5.54.5 5
LOGIC VOLTAGE (V)
0
I
CC
(nA)
3.5
2.3
2.7
1.9
3.1
1.5
12
2654 G27
534
SWEEP SCK, SDI, CS/LD
BETWEEN 0V AND V
CC
V
CC
= 5V (LTC2654-H)
V
CC
= 3V (LTC2654-L)
CLR
3V/DIV
V
OUT
1V/DIV
2654 G28
1µs/DIV
V
CC
= 3V, V
REF
= 1.25V
CODE = FULL-SCALE
CLR
3V/DIV
V
OUT
1V/DIV
2654 G29
1µs/DIV
V
CC
= 3V, V
REF
= 1.25V
CODE = FULL-SCALE
FREQUENCY (Hz)
1k
BANDWIDTH (dB)
8
2
4
0
6
–2
–6
–4
–8
–10
–12
10k
2654 G30
1M100k
V
CC
= 5V
V
REF(DC)
= 2V
V
REF(AC)
= 0.2V
P-P
CODE = FULL-SCALE
V
OUT
1V/DIV
2654 G31
2.5µs/DIV
LTC2654-H16
V
CC
= 5V, V
FS
= 4.095V
ZERO-SCALE TO FULL-SCALE
V
OUT
5mV/DIV
V
OUT
5mV/DIV
CS/LD
5mV/DIV
2654 G32
2µs/DIV
MSMS-1
LTC2654-H16
V
CC
= 5V, 5nV-s TYP
LTC2654-L16
V
CC
= 3V, 3nV-s TYP