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參數(shù)資料
| 型號： | AN8083S |
| 廠商： | PANASONIC CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Octal, 14-Bit D/A Converter with 5 ppm/°C On-Chip Reference in 14-Lead TSSOP; Package: TSSOP; No of Pins: 16; Temperature Range: Industrial |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 0.225 INCH, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 62K |
| 代理商： | AN8083S |
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AN8083S
I
Pin Description
Pin No.
Symbol
1
IN
Input pin for error amplifier
Threshold voltage ; 0.7V
2
FB
Output pin for error amplifier
Short-circuit protection input pin.
If output of error amplifier does not become “L” when t=CV
th
/I
SPRO
output of IC is not
switched.
I
SPRO
=25
μ
A
V
th
=0.9V
3
SPRO
4
DED
Dead time control input.
Maximum duty ratio set to 85%.
Maximum duty ratio can be changed by installing
external resistance between Pins 12 and 4.
5
OUT
Switching output pin
Output current ; I
O
=20mA (max.)
6
GND
GND pin
Triangular oscillating capacitor pin
7
CT
8
PV
CC
DC voltage input pin
Operates with 1.2V or more.
Clock input
· It is used to synchronize triangular oscillation with clock input and operates at rise edge of
clock.
· The threshold level is TTL level.
· It is open when not used.
9
CLK
Start pin
· Starts switching of starter
· Threshold voltage, PV
CC
– 0.9V
10
START
11
POWER
Power ON/OFF pin
Output ON/OFF switching pin (Output is off at “L.”)
T
1
T
2
V
T
1
=
CV
I (Discharged)
f =
1
T
1
+T
2
T
2
=
CV
I (Charged)
I Discharged=52
μ
A
I Charged=30
μ
A
V=0.58V
Reference voltage pin
· 1.25V output
· Charged and discharged current of triangular oscillation is determined by external R.
V
REF
– 0.7
R
REF
+1k
I (Discharged) =1.40
×
I (Charged)
I (Charged) =
12
V
REF
13
EMP
Decreased voltage detection output pin
“H” when detected by open collector output form
14
V
SEN
Decreased voltage detection input pin
· Threshold voltage ; 2.15V
Reset output pin
· “H” when V
CC
becomes 4.2V or more
· Open collector output form
15
Reset
16
V
CC
DC voltage input pin
Operates with 1.8V or more.
In normal mode
Pin Description
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