LTC1655IS8#TRPBF Linear Technology, LTC1655IS8#TRPBF Datasheet - Page 8
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LTC1655IS8#TRPBF
Manufacturer Part Number
LTC1655IS8#TRPBF
Description
IC D/A CONV 16BIT R-R 8-SOIC
Manufacturer
Linear Technology
Datasheet
1.LTC1655CN8PBF.pdf
(16 pages)
Specifications of LTC1655IS8#TRPBF
Settling Time
20µs
Number Of Bits
16
Data Interface
Serial
Number Of Converters
1
Voltage Supply Source
Single Supply
Power Dissipation (max)
2.6mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
CLK (Pin 1): The TTL Level Input for the Serial Interface
Clock.
D
Data. Data on the D
on the rising edge of the serial clock and is loaded MSB
first. The LTC1655/LTC1655L requires a 16-bit word.
CS/LD (Pin 3): The TTL Level Input for the Serial Inter-
face Enable and Load Control. When CS/LD is low, the
CLK signal is enabled, so the data can be clocked in.
When CS/LD is pulled high, data is loaded from the shift
register into the DAC register, updating the DAC output.
D
on the rising edge of the serial clock and swings from GND
to V
TI I G DIAGRA
LTC1655/LTC1655L
PIN
8
IN
OUT
W U
U
(Pin 2): The TTL Level Input for the Serial Interface
CC
(Pin 4): Output of the Shift Register. Becomes valid
.
FUNCTIONS
CS/LD
D
CLK
OUT
U
D
IN
IN
t
9
PREVIOUS WORD
U
pin is latched into the shift register
D15
t
7
W
MSB
D15
t
8
1
PREVIOUS WORD
D14
t
1
D14
t
2
2
PREVIOUS WORD
D13
t
4
D13
GND (Pin 5): Ground.
REF (Pin 6): Reference. Output of the internal reference is
2.048V (LTC1655), 1.25V (LTC1655L). There is a gain of
two from this pin to the output. The reference can be
overdriven from 2.2V to V
V
swing from GND to V
within its offset specification of V
Information).
V
clears to 0V on power-up.
V
(LTC1655), 2.7V
0.1 F bypass capacitor to ground.
t
3
CC
OUT
CC
3
/2 (LTC1655L). When tied to V
(Pin 8): Positive Supply Input. 4.5V
(Pin 7): Deglitched Rail-to-Rail Voltage Output. V
D1
15
PREVIOUS WORD
V
D0
CC
CC
LSB
D0
. The output can only swing to
5.5V (LTC1655L). Requires a
CC
16
/2 (LTC1655) and 1.3V to
t
6
CURRENT WORD
CC
CC
D15
/2, the output will
t
(see Applications
5
1655/55L TD
V
CC
5.5V
OUT