and 12-bit, 2.7V-to-5.5V rail-to-rail voltage output DACs
in a 10-lead DFN package. They have built-in high per-
formance output buffers and are guaranteed monotonic.
These parts establish new board-density benchmarks for
16- and 14-bit DACs and advance performance standards
for output drive and load regulation in single-supply, volt-
age-output DACs.
The parts use a 2-wire, I
2
C compatible serial interface. The
LTC2606/LTC2616/LTC2626 operate in both the standard
mode (clock rate of 100kHz) and the fast mode (clock rate
of 400kHz). An asynchronous DAC update pin (LDAC) is
also included.
The LTC2606/LTC2616/LTC2626 incorporate a power-on
reset circuit. During power-up, the voltage outputs rise
less than 10mV above zero scale; and after power-up,
they stay at zero scale until a valid write and update take
place. The power-on reset circuit resets the LTC2606-1/
LTC2616-1/LTC2626-1 to mid-scale. The voltage outputs
stay at mid-scale until a valid write and update take place.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog
Devices, Inc. All other trademarks are the property of their respective owners.
n
n
n
n
n
n
n
n
n
n
n
n
Smallest Pin-Compatible Single DACs:
LTC2606: 16 Bits
LTC2616: 14 Bits
LTC2626: 12 Bits
Guaranteed 16-Bit Monotonic Over Temperature
27 Selectable Addresses
400kHz I
2
C Interface
Wide 2.7V to 5.5V Supply Range
Low Power Operation: 270µA at 3V
Power Down to 1µA, Max
High Rail-to-Rail Output Drive (± 15mA, Min)
Double-Buffered Data Latches
Asynchronous DAC Update Pin
LTC2606/LTC2616/LTC2626: Power-On Reset to
Zero Scale
LTC2606-1/LTC2616-1/LTC2626-1: Power-On Reset
to Mid-Scale
Tiny (3mm × 3mm) 10-Lead DFN Package
applicaTions
n
n
n
n
Mobile Communications
Process Control and Industrial Automation
Instrumentation
Automatic Test Equipment
Typical applicaTion
9
V
CC
SCL
6
REF
1.0
3
INPUT
REGISTER
I
2
C
INTERFACE
CONTROL
LOGIC
DAC
REGISTER
16-BIT DAC
V
OUT
0.8
7
0.6
0.4
DNL (LSB)
0.2
0
–0.2
–0.4
–0.6
4
5
1
CA0
CA1
CA2
–0.8
ADDRESS
DECODE
LDAC
10
GND
8
2606 BD
Differential Nonlinearity
(LTC2606)
V
CC
= 5V
V
REF
= 4.096V
2
SDA
I
2
C
–1.0
0
16384
32768
CODE
49152
65535
2606 G02
26061626fc
For more information
www.linear.com/LTC2606
1
LTC2606/LTC2616/LTC2626
absoluTe MaxiMuM raTings
(Note 1)
pin conFiguraTion
TOP VIEW
CA2
SDA
SCL
CA0
CA1
1
2
3
4
5
11
10
LDAC
9 V
CC
8 GND
7 V
OUT
6 REF
Any Pin to GND ............................................– 0.3V to 6V
Any Pin to V
CC
............................................ –6V to 0.3V
Maximum Junction Temperature...........................125°C
Storage Temperature Range...................–65°C to 125°C
Lead Temperature (Soldering, 10 sec) ..................300°C
Operating Temperature Range:
LTC2606C/LTC2616C/LTC2626C
LTC2606-1C/LTC2616-1C/LTC2626-1C ...... 0°C to 70°C
LTC2606I/LTC2616I/LTC2626I
LTC2606-1I/LTC2616-1I/LTC2626-1I ......– 40°C to 85°C
DD PACKAGE
10-LEAD (3mm
×
3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC2606CDD#PBF
LTC2606IDD#PBF
LTC2606CDD-1#PBF
LTC2606IDD-1#PBF
LTC2616CDD#PBF
LTC2616IDD#PBF
LTC2616CDD-1#PBF
LTC2616IDD-1#PBF
LTC2626CDD#PBF
LTC2626IDD#PBF
LTC2626CDD-1#PBF
LTC2626IDD-1#PBF
LEAD FREE FINISH
LTC2606CDD
LTC2606IDD
LTC2606CDD-1
LTC2606IDD-1
LTC2616CDD
LTC2616IDD
LTC2616CDD-1
LTC2616IDD-1
LTC2626CDD
LTC2626IDD
LTC2626CDD-1
LTC2626IDD-1
TAPE AND REEL
LTC2606CDD#TRPBF
LTC2606IDD#TRPBF
http://www.linear.com/product/LTC2606#orderinfo
PART MARKING*
LAJX
LAJX
LAJW
LAJW
LBPQ
LBPQ
LBPR
LBPR
LBPS
LBPS
LBPT
LBPT
PART MARKING*
LAJX
LAJX
LAJW
LAJW
LBPQ
LBPQ
LBPR
LBPR
LBPS
LBPS
LBPT
LBPT
PACKAGE DESCRIPTION
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
PACKAGE DESCRIPTION
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
LTC2606CDD-1#TRPBF
LTC2606IDD-1#TRPBF
LTC2616CDD#TRPBF
LTC2616IDD#TRPBF
LTC2616CDD-1#TRPBF
LTC2616IDD-1#TRPBF
LTC2626CDD#TRPBF
LTC2626IDD#TRPBF
LTC2626CDD-1#TRPBF
LTC2626IDD-1#TRPBF
TAPE AND REEL
LTC2606CDD#TR
LTC2606IDD#TR
LTC2606CDD-1#TR
LTC2606IDD-1#TR
LTC2616CDD#TR
LTC2616IDD#TR
LTC2616CDD-1#TR
LTC2616IDD-1#TR
LTC2626CDD#TR
LTC2626IDD#TR
LTC2626CDD-1#TR
LTC2626IDD-1#TR
Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
2
26061626fc
For more information
www.linear.com/LTC2606
LTC2606/LTC2616/LTC2626
elecTrical characTerisTics
SYMBOL PARAMETER
DC Performance
Resolution
Monotonicity
DNL
INL
Integral Nonlinearity
Load Regulation
(Note 2)
(Note 2)
V
REF
= V
CC
= 5V, Mid-Scale
I
OUT
= 0mA to 15mA Sourcing
I
OUT
= 0mA to 15mA Sinking
V
REF
= V
CC
= 2.7V, Mid-Scale
I
OUT
= 0mA to 7.5mA Sourcing
I
OUT
= 0mA to 7.5mA Sinking
ZSE
V
OS
Zero-Scale Error
Offset Error
V
OS
Temperature
Coefficient
GE
Gain Error
Gain Temperature
Coefficient
●
●
●
●
●
●
●
●
●
●
●
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications 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.
LTC2626/LTC2626-1
CONDITIONS
MIN
12
12
±0.5
±1
±4
±4
0.1
0.2
0.2
0.4
1
±1
±5
±0.7
±0.1
±8.5
±0.7
TYP
MAX
LTC2616/LTC2616-1
MIN
14
14
±1
±16
0.5
0.5
1
1
9
±9
±14
0.5
0.7
0.9
1.5
1
±1
±5
±0.1
±8.5
±0.7
TYP
MAX
LTC2606/LTC2606-1
MIN
16
16
±1
±64
2
2
4
4
9
±9
TYP
MAX
UNITS
Bits
Bits
LSB
LSB
LSB/mA
LSB/mA
LSB/mA
LSB/mA
mV
mV
µV/°C
%FSR
ppm/°C
Differential Nonlinearity (Note 2)
0.025 0.125
0.05 0.125
0.05
0.1
1
±1
±5
±0.1
±8.5
0.25
0.25
9
±9
Code = 0
(Note 5)
26061626fc
For more information
www.linear.com/LTC2606
3
LTC2606/LTC2616/LTC2626
elecTrical characTerisTics
SYMBOL PARAMETER
PSR
R
OUT
I
SC
Power Supply Rejection
DC Output Impedance
Short-Circuit Output Current
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications 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)
CONDITIONS
V
CC
= ±10%
V
REF
= V
CC
= 5V, Mid-Scale; –15mA ≤ I
OUT
≤ 15mA
V
REF
= V
CC
= 2.7V, Mid-Scale; –7.5mA ≤ I
OUT
≤ 7.5mA
V
CC
= 5.5V, V
REF
= 5.5V
Code: Zero-Scale; Forcing Output to V
CC
Code: Full-Scale; Forcing Output to GND
V
CC
= 2.7V, V
REF
= 2.7V
Code: Zero-Scale; Forcing Output to V
CC
Code: Full-Scale; Forcing Output to GND
Reference Input
Input Voltage Range
Resistance
Capacitance
I
REF
V
CC
I
CC
Reference Current, Power Down Mode
Positive Supply Voltage
Supply Current
DAC Powered Down
For Specified Performance
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
●
●
●
●
●
●
●
●
MIN
TYP
–81
0.05
0.06
MAX
0.15
0.15
60
60
50
50
V
CC
UNITS
dB
Ω
Ω
mA
mA
mA
mA
V
kΩ
pF
µA
V
mA
mA
µA
µA
V
V
V
V
V
V
15
15
7.5
7.5
0
88
34
36
22
29
Normal Mode
●
124
15
0.001
160
1
5.5
Power Supply
●
●
●
●
●
2.7
0.340
0.27
0.35
0.10
–0.5
0.7V
CC
0.5
0.4
1
1
0.3V
CC
0.8
0.6
Digital I/O (Note 11)
V
IL
V
IH
V
IL(LDAC)
Low Level Input Voltage (SDA and SCL)
High Level Input Voltage (SDA and SCL) (Note 8)
Low Level Input Voltage (LDAC)
V
CC
= 4.5V to 5.5V
V
CC
= 2.7V to 5.5V
V
CC
= 2.7V to 5.5V
V
CC
= 2.7V to 3.6V
See Test Circuit 1
See Test Circuit 1
See Test Circuit 2
See Test Circuit 2
See Test Circuit 2
Sink Current = 3mA
V
O
= V
IH(MIN)
to V
O
= V
IL(MAX)
,
C
B
= 10pF to 400pF (Note 9)
●
●
●
●
●
●
●
●
●
●
●
●
●
●
V
IH(LDAC)
High Level Input Voltage (LDAC)
V
IL(CAn)
V
IH(CAn)
R
INH
R
INL
R
INF
V
OL
t
OF
t
SP
I
IN
C
IN
C
B
C
CAX
Low Level Input Voltage on CAn
(n = 0, 1, 2)
High Level Input Voltage on CAn
(n = 0, 1, 2)
Resistance from CAn (n = 0, 1, 2)
to V
CC
to Set CAn = V
CC
Resistance from CAn (n = 0, 1, 2)
to GND to Set CAn = GND
Resistance from CAn (n = 0, 1, 2)
to V
CC
or GND to Set CAn = Float
Low Level Output Voltage
Output Fall Time
Pulse Width of Spikes Suppressed
by Input Filter
Input Leakage
I/O Pin Capacitance
Capacitive Load for Each Bus Line
External Capacitive Load on Address
Pins CAn (n = 0, 1, 2)
2.4
2.0
0.15V
CC
0.85V
CC
10
10
2
0
20 + 0.1C
B
0
0.4
250
50
1
10
400
10
V
V
kΩ
kΩ
MΩ
V
ns
ns
µA
pF
pF
pF
0.1V
CC
≤ V
IN
≤ 0.9V
CC
(Note 4)
●
●
●
●
4
26061626fc
For more information
www.linear.com/LTC2606
LTC2606/LTC2616/LTC2626
elecTrical characTerisTics
SYMBOL PARAMETER
AC Performance
t
S
Settling Time (Note 6)
±0.024% (±1LSB at 12 Bits)
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
±0.024% (±1LSB at 12 Bits)
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
7
7
9
2.7
4.8
0.75
1000
12
180
120
100
15
7
9
10
2.7
4.8
5.2
0.75
1000
12
180
120
100
15
µs
µs
µs
µs
µs
µs
V/µs
pF
nV•s
kHz
nV/√Hz
nV/√Hz
µV
P-P
CONDITIONS
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications 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.
LTC2626/LTC2626-1
MIN
TYP
MAX
LTC2616/LTC2616-1
MIN
TYP
MAX
LTC2606/LTC2606-1
MIN
TYP
MAX
UNITS
Settling Time for 1LSB Step
(Note 7)
Voltage Output Slew Rate
Capacitive Load Driving
Glitch Impulse
Multiplying Bandwidth
e
n
Output Voltage Noise Density
Output Voltage Noise
2.7
0.75
1000
At Mid-Scale Transition
At f = 1kHz
At f = 10kHz
0.1Hz to 10Hz
12
180
120
100
15
TiMing characTerisTics
SYMBOL
f
SCL
t
HD(STA)
t
LOW
t
HIGH
t
SU(STA)
t
HD(DAT)
t
SU(DAT)
t
r
t
f
t
SU(STO)
t
BUF
t
1
t
2
PARAMETER
SCL Clock Frequency
Hold Time (Repeated) Start Condition
Low Period of the SCL Clock Pin
High Period of the SCL Clock Pin
V
CC
= 2.7V to 5.5V
The
●
denotes specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (See Figure 1) (Notes 10, 11)
CONDITIONS
●
●
●
●
●
●
●
MIN
0
0.6
1.3
0.6
0.6
0
100
20 + 0.1C
B
20 + 0.1C
B
0.6
1.3
400
20
TYP
MAX
400
UNITS
kHz
µs
µs
µs
µs
Set-Up Time for a Repeated Start Condition
Data Hold Time
Data Set-Up Time
Rise Time of Both SDA and SCL Signals
Fall Time of Both SDA and SCL Signals
Set-Up Time for Stop Condition
Bus Free Time Between a Stop and Start Condition
Falling Edge of 9th Clock of the 3rd Input Byte to
LDAC
High or Low Transition
LDAC
Low Pulse Width
(Note 9)
(Note 9)
0.9
300
300
µs
ns
ns
ns
µs
µs
ns
ns
●
●
●
●
●
●
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
Linearity and monotonicity are defined from code k
L
to code
2
N
– 1, where N is the resolution and k
L
is given by k
L
= 0.016(2
N
/V
REF
),
rounded to the nearest whole code. For V
REF
= 4.096V and N = 16, k
L
=
256 and linearity is defined from code 256 to code 65,535.
Note 3:
Digital inputs at 0V or V
CC
.
Note 4:
Guaranteed by design and not production tested.
Note 5:
Inferred from measurement at code 256 (LTC2606/LTC2606-1),
code 64 (LTC2616/LTC2616-1) or code 16 (LTC2626/LTC2626-1) and at
full-scale.
Note 6:
V
CC
= 5V, V
REF
= 4.096V. DAC is stepped 1/4-scale to 3/4-scale and
3/4-scale to 1/4-scale. Load is 2k in parallel with 200pF to GND.
Note 7:
V
CC
= 5V, V
REF
= 4.096V. DAC is stepped ±1LSB between half scale
and half scale – 1. Load is 2k in parallel with 200pF to GND.
Note 8:
Maximum V
IH
= V
CC(MAX)
+ 0.5V
Note 9:
C
B
= capacitance of one bus line in pF
.
Note 10:
All values refer to V
IH(MIN)
and V
IL(MAX)
levels.
Note 11:
These specifications apply to LTC2606/LTC2606-1, LTC2616/
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