Datasheet

LTC1665/LTC1660
5
166560fa
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum V
OUT
vs Load Current (Output Sinking)
Large-Signal Step Response
Supply Current vs Temperature
Supply Current
vs Logic Input Voltage
Midscale Output Voltage
vs Load Current
Midscale Output Voltage
vs Load Current
Minimum Supply Headroom
vs Load Current (Output Sourcing)
(LTC1665/LTC1660)
I
OUT
(mA)
–30 –20 –10 0 10 20 30
V
OUT
(V)
166560 G01
3
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
V
CC
= 4.5V
V
CC
= 5V
V
CC
= 5.5V
V
REF
= V
CC
CODE = 128 (LTC1665)
CODE = 512 (LTC1660)
SINKSOURCE
I
OUT
(mA)
–15 –4–8–12 0 4 8 12 15
V
OUT
(V)
166560 G02
2
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1
V
CC
= 2.7V
V
CC
= 3V
V
CC
= 3.6V
V
REF
= V
CC
CODE = 128 (LTC1665)
CODE = 512 (LTC1660)
SINKSOURCE
0246810
V
CC
– V
OUT
(mV)
166560 G03
1400
1200
1000
800
600
400
200
0
–55°C
25°C
125°C
V
REF
= 4.096V
ΔV
OUT
< 1LSB
CODE = 255 (LTC1665)
CODE = 1023 (LTC1660)
| I
OUT
| (mA) (SOURCING)
| I
OUT
| (mA) (SINKING)
0246810
V
OUT
(mV)
166560 G04
1400
1200
1000
800
600
400
200
0
–55°C
25°C
125°C
V
CC
= 5V
CODE = 0
TIME (μs)
0 20406080100
V
OUT
(V)
166560 G05
5
4
3
2
1
0
10% TO
90% STEP
V
CC
= V
REF
= 5V
TEMPERATURE (°C)
–55 –35 –15 5 25 45 65 85 105 125
SUPPLY CURRENT (μA)
166560 G06
500
480
460
440
420
400
380
360
340
320
300
V
CC
= 5.5V
V
CC
= 4.5V
V
CC
= 3.6V
V
CC
= 2.7V
LOGIC INPUT VOLTAGE (V)
012345
SUPPLY CURRENT (mA)
166560 G07
2
1.6
1.2
0.8
0.4
0
ALL DIGITAL INPUTS
SHORTED TOGETHER