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LTC2609IGN#PBF

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LTC2609/LTC2619/LTC2629
1
26091929fb
Block Diagram
Description
Quad 16-/14-/12-Bit
Rail-to-Rail DACs with
I
2
C Interface
The LTC
®
2609/LTC2619/LTC2629 are quad 16-, 14- and 12-
bit, 2.7V to 5.5V rail-to-rail voltage output DACs in a 16-lead
SSOP package. They have built-in high performance 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
LTC2609/LTC2619/LTC2629 operate in both the standard
mode (clock rate of 100kHz) and the fast mode (clock
rate of 400kHz).
The LTC2609/LTC2619/LTC2629 incorporate a power-on
reset circuit. During power-up, the voltage outputs rise less
than 10mV above zero-scale; after power-up, they stay at
zero-scale until a valid write and update take place. The
power
-on
reset circuit resets the LTC2609-1/LTC2619-1/
LTC2629-1 to mid-scale. The voltage outputs stay at mid-
scale until a valid write and update take place.
Differential Nonlinearity
(LTC2609)
Features
applications
n
Smallest Pin-Compatible Quad DACs:
LTC2609: 16 Bits
LTC2619: 14 Bits
LTC2629: 12 Bits
n
Guaranteed Monotonic Over Temperature
n
Separate Reference Inputs
n
27 Selectable Addresses
n
400kHz I
2
C
™
Interface
n
Wide 2.7V to 5.5V Supply Range
n
Low Power Operation: 250µA per DAC at 3V
n
Individual Channel Power Down to 1µA (Max)
n
High Rail-to-Rail Output Drive (±15mA, Min)
n
Ultralow Crosstalk Between DACs (5µV)
n
LTC2609/LTC2619/LTC2629: Power-On Reset to
Zero-Scale
n
LTC2609-1/LTC2619-1/LTC2629-1: Power-On Reset
to Mid-Scale
n
Tiny 16-Lead Narrow SSOP Package
n
Mobile Communications
n
Process Control and Industrial Automation
n
Automatic Test Equipment and Instrumentation
I
2
C
INTERFACE
ADDRESS
DECODE
LOGIC
32-BIT SHIFT REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
SDA
2609 BD
9
REFB
6
SCL
8
V
OUTB
5
V
OUTA
4
REFA
3
REFLO
2
GND
1
DAC A
DAC B
REFC
12
V
OUTC
13
V
OUTD
14
CA2
7
CA1
10
CA0
11
REFD
15
V
CC
16
DAC D
DAC C
CONTROL
LOGIC
CODE
0 16384 32768 49152 65535
DNL (LSB)
2609 G02
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
CC
= 5V
V
REF
= 4.096V
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 5396245. Patent pending.
LTC2609/LTC2619/LTC2629
2
26091929fb
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:
L
TC2609C/L
TC2619C/LTC2629C
LTC2609C-1/LTC2619C-1/LTC2629C-1 ....
0°C to 70°C
LTC2609I/L
TC2619I/LTC2629I
LTC2609I-1/LTC2619I-1/LTC2629I-1 ....
–40°C to 85°C
(Note 1)
aBsolute maximum ratings
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GND
REFLO
REFA
V
OUTA
V
OUTB
REFB
CA2
SCL
V
CC
REFD
V
OUTD
V
OUTC
REFC
CA0
CA1
SDA
T
JMAX
= 135°C, θ
JA
= 150°C/W
orDer inFormation
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2609CGN#PBF LTC2609CGN#TRPBF 2609 16-Lead Plastic SSOP 0°C to 70°C
LTC2609CGN-1#PBF LTC2609CGN-1#TRPBF 26091 16-Lead Plastic SSOP 0°C to 70°C
LTC2609IGN#PBF LTC2609IGN#TRPBF 2609I 16-Lead Plastic SSOP –40°C to 85°C
LTC2609IGN-1#PBF LTC2609IGN-1#TRPBF 2619I1 16-Lead Plastic SSOP –40°C to 85°C
LTC2619CGN#PBF LTC2619CGN#TRPBF 2619 16-Lead Plastic SSOP 0°C to 70°C
LTC2619CGN-1#PBF LTC2619CGN-1#TRPBF 26191 16-Lead Plastic SSOP 0°C to 70°C
LTC2619IGN#PBF LTC2619IGN#TRPBF 2619I 16-Lead Plastic SSOP –40°C to 85°C
LTC2619IGN-1#PBF LTC2619IGN-1#TRPBF 2619I1 16-Lead Plastic SSOP –40°C to 85°C
LTC2629CGN#PBF LTC2629CGN#TRPBF 2629 16-Lead Plastic SSOP 0°C to 70°C
LTC2629CGN-1#PBF LTC2629CGN-1#TRPBF 26291 16-Lead Plastic SSOP 0°C to 70°C
LTC2629IGN#PBF LTC2629IGN#TRPBF 2629I 16-Lead Plastic SSOP –40°C to 85°C
LTC2629IGN-1#PBF LTC2629IGN-1#TRPBF 2629I1 16-Lead Plastic SSOP –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is 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/
LTC2609/LTC2619/LTC2629
3
26091929fb
electrical characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. REFA = REFB = REFC = REFD = 4.096V (V
CC
= 5V), REFA = REFB =
REFC = REFD = 2.048V (V
CC
= 2.7V). REFLO = 0V, V
OUT
= unloaded, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS
LTC2629/LTC2629-1 LTC2619/LTC2619-1 LTC2609/LTC2609-1
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
DC Performance
Resolution
l
12 14 16 Bits
Monotonicity (Note 2)
l
12 14 16 Bits
DNL Differential Nonlinearity (Note 2)
l
±0.5 ±1 ±1 LSB
INL Integral Nonlinearity (Note 2)
l
±1 ±4 ±4 ±16 ±16 ±64 LSB
Load Regulation V
REF
= V
CC
= 5V, Mid-Scale
I
OUT
= 0mA to 15mA Sourcing
I
OUT
= 0mA to 15mA Sinking
l
l
0.02
0.02
0.125
0.125
0.1
0.1
0.5
0.5
0.3
0.4
2
2
LSB/mA
LSB/mA
V
REF
= V
CC
= 2.7V, Mid-Scale
I
OUT
= 0mA to 7.5mA Sourcing
I
OUT
= 0mA to 7.5mA Sinking
l
l
0.04
0.05
0.25
0.25
0.2
0.2
1
1
0.7
0.8
4
4
LSB/mA
LSB/mA
ZSE Zero-Scale Error Code = 0
l
1.5 9 1.5 9 1.5 9 mV
V
OS
Offset Error (Note 4)
l
±1 ±9 ±1 ±9 ±1 ±9 mV
V
OS
Temperature
Coefficient
±6 ±6 ±6 µV/°C
GE Gain Error
l
±0.1 ±0.7 ±0.1 ±0.7 ±0.1 ±0.7 %FSR
Gain Temperature
Coefficient
±3 ±3 ±3 ppm/°C
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
REFA = REFB = REFC = REFD = 4.096V (V
CC
= 5V), REFA = REFB = REFC = REFD = 2.048V (V
CC
= 2.7V). REFLO = 0V, V
OUT
= unloaded,
unless otherwise noted. (Note 9)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSR Power Supply Rejection V
CC
±10% –80 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
≤ 7.5mA
l
l
0.030
0.035
0.15
0.15
Ω
Ω
DC Crosstalk (Note 10) Due to Full-Scale Output Change (Note 11)
Due to Load Current Change
Due to Powering Down (Per Channel)
±5
±4
±4
µV
µV/mA
µV
ISC 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
l
l
15
15
36
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
l
l
7.5
7.5
22
30
50
50
mA
mA
Reference Input
Input Voltage Range
l
0 V
CC
V
Resistance Normal Mode
l
88 125 160 kΩ
Capacitance 14 pF
I
REF
Reference Current, Power Down Mode DAC Powered Down
l
0.001 1 µA
Power Supply
V
CC
Positive Supply Voltage For Specified Performance
l
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
l
l
l
l
1.25
1
0.35
0.15
2
1.6
1
1
mA
mA
µA
µA
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LTC2609IGN#PBF

Mfr. #:
Buy LTC2609IGN#PBF
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC Quad 16-bit I2C Voltage Output DAC
Lifecycle:
New from this manufacturer.
Delivery:
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