
7
LTC2602/LTC2612/LTC2622
2602fa
2.5
s/DIV
VOUT
0.5V/DIV
CS/LD
5V/DIV
2602 G14
VCC = 5V
VREF = 2V
ONE DAC IN
POWER DOWN MODE
VOUT
10mV/DIV
250
s/DIV
2602 G11
VCC
1V/DIV
4mV PEAK
VOUT
10mV/DIV
CS/LD
5V/DIV
2.5
s/DIV
2602 G10
12nV-s TYP
LOGIC VOLTAGE (V)
0
0.2
I CC
(mA)
0.4
0.8
1.0
1.2
1.6
0.5
2.5
3.5
2602 G13
0.6
1.4
2
4.5
5
1
1.5
34
VCC = 5V
SWEEP SCK, SDI
AND CS/LD
0V TO VCC
VCC (V)
2.5
3
3.5
4
4.5
5
5.5
I CC
(nA)
2602 G08
450
400
350
300
250
200
150
100
50
0
TYPICAL PERFOR A CE CHARACTERISTICS
UW
ICC Shutdown vs VCC
Large-Signal Settling
Gain Error vs VCC
VCC (V)
2.5
3
3.5
4
4.5
5
5.5
GAIN
ERROR
(%FSR)
2602 G07
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
2.5
s/DIV
VOUT
0.5V/DIV
2602 G09
VREF = VCC = 5V
1/4-SCALE TO 3/4-SCALE
(LTC2602/LTC2612/LTC2622)
Midscale Glitch Impulse
Power-On Reset Glitch
Headroom at Rails vs Output
Current
IOUT (mA)
0
1
2
3
4
5
6
7
8
910
V
OUT
(V)
2602 G12
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
5V SOURCING
3V SOURCING
3V SINKING
5V SINKING
Multiplying Frequency Response
Supply Current vs Logic Voltage
Exiting Power-Down to Midscale
FREQUENCY (Hz)
1k
dB
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
–30
–33
–36
1M
2602 G16
10k
100k
VCC = 5V
VREF (DC) = 2V
VREF (AC) = 0.2VP-P
CODE = FULL SCALE