LTC2635 Linear Technology, LTC2635 Datasheet - Page 15

• Manufacturer Part Number: LTC2635
• Description: Quad 10-Bit I2C VOUT DACs
• Manufacturer: Linear Technology

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LTC2635
TYPICAL PERFORMANCE CHARACTERISTICS
0.5V/DIV
V
OUT
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
Large-Signal Response
Headroom at Rails vs
Output Current
V
1/4 SCALE to 3/4 SCALE
3V (LTC2635-L) SOURCING
3V (LTC2635-L) SINKING
FS
1
5V SOURCING
= V
CC
2
= 5V
3
1.6
1.4
1.2
1.0
0.8
0.6
0.4
4
I
OUT
2μs/DIV
0
Supply Current vs Logic Voltage
5
(mA)
SWEEP SDA, SCL
BETWEEN
0V AND V
5V SINKING
6
1
7
CC
LOGIC VOLTAGE (V)
8
2
2635 G22
2635 G25
V
(LTC2635-L)
9
CC
10
= 3V
3
0.5V/DIV
5mV/DIV
V
5V/DIV
5V/DIV
CC
V
V
SCL
SCL
OUT
OUT
= 5V
4
Exiting Power-Down to Mid-Scale
Mid-Scale Glitch Impulse
2635 G28
9th CLOCK OF 3rd
DATA BYTE
DACs A-C IN
POWER-DOWN
MODE
5
5μs/DIV
2μs/DIV
LTC2635-H12, V
3nV • s TYP
LTC2635-L12, V
2.1nV • s TYP
9th CLOCK OF 3rd
DATA BYTE
500mV/DIV
LTC2635-H
5V/DIV
V
INTERNAL
REFERENCE
V
CC
SCL
OUT
CC
= 5V
CC
= 3V
= 5V
2635 G26
Exiting Power-Down for Hi-Z
Option
LTC2635-LMO, V
DAC OUTPUT DRIVEN BY
1V SOURCE THROUGH
15k RESISTOR
2635 G23
T
(POWER-DOWN) MODE
A
HIGH-IMPEDANCE
= 25°C, unless otherwise noted.
5mV/DIV
0.5V/DIV
2V/DIV
2V/DIV
V
V
CC
V
V
OUT
OUT
CC
CC
= 3V
2μs/DIV
Power-On Reset Glitch
Power-On Reset to Mid-Scale
LTC2635-L
9th CLOCK OF 3rd
DATA BYTE
DAC OUTPUT SET
TO MID-SCALE
200μs/DIV
200μs/DIV
2635 G29
LTC2635
ZERO SCALE
LTC2635-L
LTC2635-H
15
2635 G24
2635 G27
2635f