Datasheet

LTC2606/LTC2616/LTC2626
4
26061626fb
ELECTRICAL CHARACTERISTICS
The ● denotes specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. REF = 4.096V (V
CC
= 5V), REF = 2.048V (V
CC
= 2.7V), V
OUT
unloaded,
unless otherwise noted. (Note 11)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSR Power Supply Rejection V
CC
= ±10% –81 dB
R
OUT
DC Output Impedance V
REF
= V
CC
= 5V, Mid-Scale; –15mA ≤ I
OUT
≤ 15mA
V
REF
= V
CC
= 2.7V, Mid-Scale; –7.5mA ≤ I
OUT
≤
●
●
0.05
0.06
0.15
0.15
Ω
Ω
I
SC
Short-Circuit Output Current V
CC
= 5.5V, V
REF
= 5.5V
Code: Zero-Scale; Forcing Output to V
CC
Code: Full-Scale; Forcing Output to GND
●
●
15
15
34
36
60
60
mA
mA
V
CC
= 2.7V, V
REF
= 2.7V
Code: Zero-Scale; Forcing Output to V
CC
Code: Full-Scale; Forcing Output to GND
●
●
7.5
7.5
22
29
50
50
mA
mA
Reference Input
Input Voltage Range
●
0V
CC
V
Resistance Normal Mode
●
88 124 160 kΩ
Capacitance 15 pF
I
REF
Reference Current, Power Down Mode DAC Powered Down
●
0.001 1 μA
Power Supply
V
CC
Positive Supply Voltage For Specifi ed Performance
●
2.7 5.5 V
I
CC
Supply Current V
CC
= 5V (Note 3)
V
CC
= 3V (Note 3)
DAC Powered Down (Note 3) V
CC
= 5V
DAC Powered Down (Note 3) V
CC
= 3V
●
●
●
●
0.340
0.27
0.35
0.10
0.5
0.4
1
1
mA
mA
μA
μA
Digital I/O (Note 11)
V
IL
Low Level Input Voltage (SDA and SCL)
●
–0.5 0.3V
CC
V
V
IH
High Level Input Voltage (SDA and SCL) (Note 8)
●
0.7V
CC
V
V
IL(LDAC)
Low Level Input Voltage (LDAC)V
CC
= 4.5V to 5.5V
V
CC
= 2.7V to 5.5V
●
●
0.8
0.6
V
V
V
IH(LDAC)
High Level Input Voltage (LDAC)V
CC
= 2.7V to 5.5V
V
CC
= 2.7V to 3.6V
●
●
2.4
2.0
V
V
V
IL(CA n )
Low Level Input Voltage on CA n
( n = 0, 1, 2)
See Test Circuit 1
●
0.15V
CC
V
V
IH(CA n )
High Level Input Voltage on CA n
( n = 0, 1, 2)
See Test Circuit 1
●
0.85V
CC
V
R
INH
Resistance from CA n ( n = 0, 1, 2)
to V
CC
to Set CA n = V
CC
See Test Circuit 2
●
10 kΩ
R
INL
Resistance from CA n ( n = 0, 1, 2)
to GND to Set CA n = GND
See Test Circuit 2
●
10 kΩ
R
INF
Resistance from CA n ( n = 0, 1, 2)
to V
CC
or GND to Set CA n = Float
See Test Circuit 2
●
2MΩ
V
OL
Low Level Output Voltage Sink Current = 3mA
●
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 9)
●
20 + 0.1C
B
250 ns
t
SP
Pulse Width of Spikes Suppressed
by Input Filter
●
050ns
I
IN
Input Leakage 0.1V
CC
≤ V
IN
≤ 0.9V
CC
●
1μA
C
IN
I/O Pin Capacitance (Note 4)
●
10 pF
C
B
Capacitive Load for Each Bus Line
●
400 pF
C
CAX
External Capacitive Load on Address
Pins CA n ( n = 0, 1, 2)
●
10 pF