參數(shù)資料
型號: LTC1658IS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: DAC
英文描述: 14-Bit Rail-to-Rail Micropower DAC in MSOP
中文描述: SERIAL INPUT LOADING, 12 us SETTLING TIME, 14-BIT DAC, PDSO8
封裝: 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù): 5/12頁
文件大小: 261K
代理商: LTC1658IS8
5
LTC1658
TYPICAL PERFOR U
Broadband Noise
TEMPERATURE (
°
C)
–55
–25
5
35
65
95
125
G
1658 G06
5
4
3
2
1
0
–1
–2
–3
–4
–5
Gain Error vs Temperature
BW = 1Hz TO
100kHz
200
μ
s/DIV
1658 G08
PI
FU
CTIO
N
S
U
U
CLK (Pin 1):
The TTL Level Input for the Serial Interface
Clock.
D
IN
(Pin 2):
The TTL Level Input for the Serial Interface
Data. Data on the D
IN
pin is latched into the shift register
on the rising edge of the serial clock and is loaded MSB
first. The LTC1658 requires a 16-bit word to be loaded in.
The last two bits are don’t cares.
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
OUT
(Pin 4):
Output of the Shift Register Which Becomes
Valid on the Rising Edge of the Serial Clock.
GND (Pin 5):
Ground.
REF (Pin 6):
Reference Input. There is a gain of one from
this pin to the output. When tied to V
CC
the output will
swing from GND to V
CC
. The output can only swing to
within it’s offset specification of V
CC
(see Applicatons
Information).
V
OUT
(Pin 7):
Buffered Rail-to-Rail DAC Output.
V
CC
(Pin 8):
Positive Supply Input. 2.7V
V
CC
5.5V.
1LSB/DIV
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