Datasheet

LTC2656
13
2656fa
Offset Error vs Reference Input Gain Error vs Reference Input I
CC
Shutdown vs V
CC
Supply Current vs Logic Voltage Hardware CLR to Mid-Scale Hardware CLR to Zero-Scale
LTC2656-16
Multiplying Bandwidth Large-Signal Response
Mid-Scale Glitch Impulse
REFERENCE VOLTAGE (V)
0.5
OFFSET ERROR (mV)
0
0.5
1.0
2.5
2656 G24
–0.5
–1.0
–2.0
1.0
1.5
2.0
–1.5
2.0
1.5
V
CC
= 5.5V
OFFSET ERROR OF 8 CHANNELS
REFERENCE VOLTAGE (V)
0.5
GAIN ERROR (LSBs)
0
16
32
2.5
2656 G25
–16
–32
–64
1.0
1.5
2.0
–48
64
48
V
CC
= 5.5V
GAIN ERROR OF 8 CHANNELS
V
CC
(V)
2.5
0
I
CC
(nA)
50
150
200
250
4.5
450
2656 G26
100
3.5
3.0
5.0
4.0 5.5
300
350
400
LOGIC VOLTAGE (V)
0
I
CC
(mA)
3.2
3.6
4.0
4
2656 G27
2.8
2.4
2.0
1
2
3
5
SWEEP SCK, SDI, CS/LD
BETWEEN 0V AND V
CC
V
CC
= 5V
(LTC2656-H)
V
CC
= 3V
(LTC2656-L)
V
OUT
1V/DIV
CLR
5V/DIV
2656 G28
1µs/DIV
V
CC
= 5V
V
REF
= 2.048V
CODE = FULL-SCALE
V
OUT
1V/DIV
CLR
5V/DIV
2656 G29
1µs/DIV
V
CC
= 5V
V
REF
= 2.048V
CODE = FULL-SCALE
FREQUENCY (Hz)
1k
–4
MAGNITUDE (dB)
–2
0
2
4
10k 100k 1M
2656 G30
–6
–8
–10
–12
6
8
V
CC
= 5V
V
REF(DC)
= 2V
V
REF(AC)
= 0.2V
P-P
CODE = FULL-SCALE
V
OUT
1V/DIV
2656 G31
2.5µs/DIV
V
CC
= 5V
V
REF
= 2.048V
ZERO-SCALE TO FULL-SCALE
V
OUT
5mV/DIV
V
OUT
5mV/DIV
CS/LD
5V/DIV
2656 G32
2µs/DIV
V
CC
= 5V, 6nV•s TYP
(LTC2656-H16)
V
CC
= 3V, 3nV•s TYP
(LTC2656-L16)
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C unless otherwise noted.