Datasheet

LTC2633
5
2633fb
electrical characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, V
OUT
unloaded unless otherwise specified.
LTC2633-LI12/-LI10/-LI8/-LX12/-LX10/-LX8/-LZ12/-LZ10/-LZ8/-LO12/-LO10/-LO8/LTC2633A-LI12/-LX12/-LZ12/-LO12 (V
FS
= 2.5V)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Digital I/O
V
IL
Low Level Input Voltage
(SDA and SCL)
(Note 14)
l
–0.5 0.3V
CC
V
V
IH
High Level Input Voltage
(SDA and SCL)
(Note 11)
l
0.7V
CC
V
V
IL(CA0)
Low Level Input Voltage on CA0 See Test Circuit 1
l
0.15V
CC
V
V
IH(CA0)
High Level Input Voltage on CA0 See Test Circuit 1
l
0.85V
CC
V
R
INH
Resistance from CA0
to V
CC
to Set CA0 = V
CC
See Test Circuit 2
l
10 kΩ
R
INL
Resistance from CA0
to GND to Set CA0 = GND
See Test Circuit 2
l
10 kΩ
R
INF
Resistance from CA0 to V
CC
or GND to
Set CA0 = Float
See Test Circuit 2
l
2 MΩ
V
OL
Low Level Output Voltage Sink Current = 3mA
l
0 0.4 V
t
OF
Output Fall Time V
O
= V
IH(MIN)
to V
O
= V
IL(MAX)
,
C
B
= 10pF to 400pF (Note 12)
l
20 + 0.1C
B
250 ns
t
SP
Pulse Width of Spikes Suppressed by
Input Filter
l
0 50 ns
I
IN
Input Leakage 0.1V
CC
≤ V
IN
≤ 0.9V
CC
l
1 µA
C
IN
I/O Pin Capacitance (Note 8)
l
8 pF
C
B
Capacitive Load for Each Bus Line
l
400 pF
C
CA0
External Capacitive Load on Address Pin
CA0
l
10 pF
AC Performance
t
s
Settling Time V
CC
= 3V (Note 9)
±0.39% (±1LSB at 8 Bits)
±0.098% (±1LSB at 10 Bits)
±0.024% (±1LSB at 12 Bits)
3.4
4.0
4.5
µs
µs
µs
Voltage Output Slew Rate 1.0 V/µs
Capacitive Load Driving 500 pF
Glitch Impulse At Mid-Scale Transition 2.8 nV•s
DAC-to-DAC Crosstalk 1 DAC Held at FS, 1 DAC Switch 0-FS 5.2 nV•s
Multiplying Bandwidth External Reference 320 kHz
e
n
Output Voltage Noise Density At f = 1kHz, External Reference
At f = 10kHz, External Reference
At f = 1kHz, Internal Reference
At f = 10kHz, Internal Reference
180
160
200
180
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
Output Voltage Noise 0.1Hz to 10Hz, External Reference
0.1Hz to 10Hz, Internal Reference
0.1Hz to 200kHz, External Reference
0.1Hz to 200kHz, Internal Reference
C
REF
= 0.1µF
30
35
680
730
µV
P-P
µV
P-P
µV
P-P
µV
P-P