參數(shù)資料
型號: LTC1426IS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: DAC
英文描述: 14-Bit 200KSPS ADC Serial Out, Auto PWRDN, Pseudo Differential Input 8-MSOP -40 to 85
中文描述: DUAL, SERIAL INPUT LOADING, 6-BIT DAC, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 4/8頁
文件大小: 222K
代理商: LTC1426IS8
4
LTC1426
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
TEMPERATURE (
°
C)
–40
0
C
100
200
300
400
500
600
–15
10
35
60
1426 G04
85
V
CC
= 3V
V
CC
= 5V
TEMPERATURE (
°
C)
–40
0
S
μ
A
10
20
30
40
50
60
–15
10
35
60
1426 G06
85
PUSHBUTTON
MODE
PULSE
MODE
V
CC
= 5V
Supply Current vs Temperature
LOGIC INPUT VOLTAGE (V)
0
S
μ
A
38.5
36.5
34.5
32.5
30.5
28.5
26.5
24.5
22.5
4
1426 F05
1
2
3
5
PULSE
MODE
PUSHBUTTON
MODE
T
= 25
°
C
CLK1 AND CLK2
TIED TOGETHER
Supply Current
vs Logic Input Voltage
PI
FU
CTIO
N
S
U
U
CLK1 (Pin 1):
Channel 1 Clock/Pushbutton Input.
CLK2 (Pin 2):
Channel 2 Clock/Pushbutton Input.
GND (Pin 3):
Ground. It is recommended that GND be tied
to a ground plane.
PWM1 (Pin 4):
Channel 1 PWM Output.
PWM2 (Pin 5):
Channel 2 PWM Output.
V
REF
(Pin 6):
Voltage Reference Input. V
REF
powers the
DAC output buffers and can be used to control the output
span. Bypass V
REF
to GND with an external capacitor to
minimize output errors. V
REF
can be tied to V
CC
if desired.
V
CC
(Pin 7):
Voltage Supply. This supply must be kept free
from noise and ripple by bypassing directly to the ground
plane.
SHDN (Pin 8):
Shutdown. A logic low puts the chip into
shutdown mode with the PWM outputs in high imped-
ance. The digital settings for the DACs are retained in
shutdown.
CLK1
CLK2
t
CKL0
1426 TC01
t
CKHI
1426 TC02
CLK1
CLK2
t
PW
Pushbutton Mode Timing
Pulse Mode Timing
TW
U
W
Minimum Clock High Time
vs Temperature
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