LTC2656 Linear Technology Corporation, LTC2656 Datasheet - Page 13

• Manufacturer Part Number: LTC2656
• Description: Octal 16-/12-Bit Rail-to-Rail DACs
• Manufacturer: Linear Technology Corporation

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