LTC2606 Datasheet, PDF (1/20 Pages) Linear Technology – 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface

LTC2606/LTC2616/LTC2626
16-/14-/12-Bit Rail-to-Rail DACs
with I²C Interface
FEATURES
■ _{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^TM _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 Midscale
■ _{Tiny (3mm × 3mm) 10-Lead DFN Package}
U
APPLICATIO S
■ _{Mobile Communications}
■ _{Process Control and Industrial Automation}
■ _{Instrumentation}
■ _{Automatic Test Equipment}
DESCRIPTIO
The LTC^®2606/LTC2616/LTC2626 are single 16-, 14-
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 perfor-
mance 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,
voltage-output DACs.
The parts use a 2-wire, I²C 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 midscale. The voltage outputs stay at
midscale until a valid write and update take place.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
BLOCK DIAGRA
SCL
3
SDA
2
I²C
INTERFACE
9
V_CC
INPUT
REGISTER
CONTROL
LOGIC
6
REF
DAC
REGISTER
CA0
4
CA1
5
I²C
ADDRESS
CA2
DECODE
1
LDAC
GND
10
8
16-BIT DAC
V_OUT
7
2606 BD
Differential Nonlinearity
(LTC2606)
1.0
V_CC = 5V
0.8 V_REF = 4.096V
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384
32768
CODE
49152 65535
2606 G02
26061626f
1