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LTC2655IUF-H12#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
LTC2655
7
2655f
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 4.5V to 5.5V, V
OUT
unloaded unless otherwise specifi ed.
LTC2655B-H16/LTC2655-H12 (Internal Reference = 2.048V)
SYMBOL PARAMETER CONDITIONS
LTC2655-12 LTC2655B-16
UNITSMIN TYP MAX MIN TYP MAX
DC Performance
Resolution
l
12 16 Bits
Monotonicity (Note 3)
l
12 16 Bits
DNL Differential Nonlinearity (Note 3)
l
±0.1 ±0.5 ±0.3 ±1 LSB
INL Integral Nonlinearity (Note 3) V
CC
= 5.5V, V
REF
= 2.5V
l
±0.5 ±1 ±2 ±4 LSB
Load Regulation V
CC
= 5V ±10%, Internal Reference,
Mid-Scale, –15mA ≤ I
OUT
≤ 15mA
l
0.04 0.125 0.6 2 LSB/mA
ZSE Zero-Scale Error
l
13 13 mV
V
OS
Offset Error V
REF
= 2.048V (Note 4)
l
±1 ±2 ±1 ±2 mV
V
OS
Temperature Coeffi cient 5 5 µV/°C
GE Gain Error
l
±0.02 ±0.1 ±0.02 ±0.1 %FSR
Gain Temperature Coeffi cient 1 1 ppm/°C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OUT
DAC Output Span Internal Reference
External Reference = V
EXTREF
0 to 4.096
0 to 2•V
EXTREF
V
V
PSR Power Supply Rejection V
CC
±10% –80 dB
R
OUT
DC Output Impedance V
CC
= 5V ±10%, Internal Reference, Mid-Scale,
–15mA ≤ I
OUT
≤ 15mA
l
0.04 0.15
DC Crosstalk Due to Full Scale Output Change
Due to Load Current Change
Due to Powering Down (per Channel)
±1.5
±2
±1
µV
µV/mA
µV
I
SC
Short-Circuit Output Current (Note 4) V
CC
= 5.5V V
EXTREF
= 2.8V
Code: Zero-Scale; Forcing Output to V
CC
Code: Full-Scale; Forcing Output to GND
l
l
20
20
65
65
mA
mA
LTC2655
8
2655f
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 4.5V to 5.5V, V
OUT
unloaded unless otherwise specifi ed.
LTC2655B-H16/LTC2655-H12 (Internal Reference = 2.048V)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Reference
Reference Output Voltage 2.044 2.048 2.052 V
Reference Temperature Coeffi cient (Note 7) ±2 ±10 ppm/°C
Reference Line Regulation V
CC
±10% –80 dB
Reference Short-Circuit Current V
CC
= 5.5V, Forcing REFIN/OUT to GND
l
35 mA
REFCOMP Pin Short-Circuit Current V
CC
= 5.5V, Forcing REFCOMP to GND
l
65 200 µA
Reference Load Regulation V
CC
= 5V±10%, I
OUT
= 100µA Sourcing 40 mV/mA
Reference Output Voltage Noise Density C
REFCOMP
= C
REFIN/OUT
= 0.1µF, at f = 1kHz 35 nV/√Hz
Reference Input Range External Reference Mode (Note 14)
l
0.5 V
CC
/2 V
Reference Input Current
l
0.001 1 µA
Reference Input Capacitance (Note 9)
l
20 pF
Power Supply
V
CC
Positive Supply Voltage For Specifi ed Performance
l
4.5 5.5 V
I
CC
Supply Current (Note 8) V
CC
= 5V, Internal Reference On
V
CC
= 5V, Internal Reference Off
l
l
1.9
1.5
2.5
2
mA
mA
I
SD
Supply Current in Shutdown Mode (Note 8) V
CC
= 5V
l
3µA
Digital I/O
V
IL
Low Level Input Voltage (SDA and SCL)
l
0.3V
CC
V
V
IH
High Level Input Voltage (SDA and SCL)
l
0.7V
CC
V
V
IL(LDAC)
Low Level Input Voltage (LDAC)V
CC
= 4.5V to 5.5V
l
0.8 V
V
IH(LDAC)
High Level Input Voltage (LDAC)V
CC
= 4.5V to 5.5V
l
2.4 V
V
IL(CA)
Low Level Input Voltage (CA0 to CA2) See Test Circuit 1
l
0.15V
CC
V
V
IH(CA)
High Level Input Voltage (CA0 to CA2) See Test Circuit 1
l
0.85V
CC
V
R
INH
Resistance from CAn (
n
= 0,1,2)
to V
CC
to Set CA
n
= V
CC
See Test Circuit 2
l
10 k
R
INL
Resistance from CA
n
(
n
= 0,1,2)
to GND to Set CA
n
= GND
See Test Circuit 2
l
10 k
R
INF
Resistance from CA
n
(
n
= 0,1,2)
to V
CC
or GND to Set CA
n
= FLOAT
See Test Circuit 2
l
2M
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 13)
l
20+0.1C
B
250 ns
t
SP
Pulse Width of Spikes Suppressed by Input
Filter
l
050ns
I
IN
Input Leakage 0.1V
CC
≤ V
IN
≤ 0.9V
CC
l
1µA
C
IN
I/O Pin Capacitance (Note 9)
l
10 pF
C
B
Capacitance Load for Each Bus Line
l
400 pF
C
CA
n
External Capacitive Load on Address Pins
CA0, CA1 and CA2
l
10 pF
LTC2655
9
2655f
ELECTRICAL CHARACTERISTICS
LTC2655B-L16/LTC2655-L12/LTC2655B-H16/LTC2655-H12
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
AC Performance
t
s
Settling Time ( Note 10) ±0.024%(±1LSB at 12 Bits)
±0.0015%(±1LSB at 16 Bits)
3.9
9.1
µs
µs
Settling Time for 1LSB Step ±0.024%(±1LSB at 12 Bits)
±0.0015%(±1LSB at 16 Bits)
2.4
4.5
µs
µs
Voltage Output Slew Rate 1.8 V/µs
Capacitive Load Driving 1000 pF
Glitch Impulse (Note 11) At Mid-Scale Transition, -L Option 4 nV•s
At Mid-Scale Transition, -H Option 7 nV•s
DAC to DAC Crosstalk (Note 12) C
REFCOMP
= C
REFIN/OUT
= 0.22µF 0.5 nV•s
Multiplying Bandwidth 150 kHz
e
n
Output Voltage Noise Density At f = 1kHz
At f = 10kHz
85
80
nV/√Hz
nV/√Hz
Output Voltage Noise 0.1Hz to 10Hz, Internal Reference (-L Options)
0.1Hz to 10Hz, Internal Reference (-H Options)
0.1Hz to 200KHz, Internal Reference (-L Options)
0.1Hz to 200KHz, Internal Reference (-H Options)
8
12
400
450
µV
P-P
µV
P-P
µV
P-P
µV
P-P
TIMING CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V (LTC2655B-L16/LTC2655-L12), V
CC
= 4.5V to 5.5V (LTC2655B-H16,
LTC2655-H12), V
OUT
unloaded unless otherwise specifi ed.
LTC2655B-L16/LTC2655-L12/LTC2655B-H16/LTC2655-H12 (see Figure 1)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
SCL
SCL Clock Frequency
l
0 400 kHz
t
HD(STA)
Hold Time (Repeated) Start Condition
l
0.6 µs
t
LOW
Low Period of the SCL Clock Pin
l
1.3 µs
t
HIGH
High Period of the SCL Clock Pin
l
0.6 µs
t
SU(STA)
Set-Up Time for a Repeated Start Program
l
0.6 µs
t
HD(DAT)
Data Hold Time
l
0 0.9 µs
t
SU(DAT)
Data Set-Up Time
l
100 ns
tr Rise Time of Both SDA and SCL Signals (Note 13)
l
20+0.1C
B
300 ns
tf Fall Time of Both SDA and SCL Signals (Note 13)
l
20+0.1C
B
300 ns
t
SU(STO)
Set-Up Time for Stop Condition
l
0.6 µs
t
BUF
Bus Free Time Between a Stop and Start Condition
l
1.3 µs
t1 Falling edge of the 9th Clock of the 3rd Input Byte
to LDAC High or Low Transition
l
400 ns
t2 LDAC Low Pulse Width
l
20 ns
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V (LTC2655B-L16/LTC2655-L12), V
CC
= 4.5V to 5.5V
(LTC2655B-H16, LTC2655-H12), V
OUT
unloaded unless otherwise specifi ed.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28

LTC2655IUF-H12#TRPBF

Mfr. #:
Buy LTC2655IUF-H12#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC 12-Bit I2C Quad DAC (2.048V Reference)
Lifecycle:
New from this manufacturer.
Delivery:
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