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參數(shù)資料
| 型號： | MAX547 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Octal, 13-Bit Voltage-Output DAC with Parallel Interface(八通道,并行,電壓輸出,13位D/A轉(zhuǎn)換器) |
| 中文描述： | 八通道、13位、電壓輸出DAC，并行接口 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 276K |
| 代理商： | MAX547 |
M
Oc tal, 13-Bit Voltage-Output
DAC with Parallel Interfac e
6
_______________________________________________________________________________________
PLCC
NAME
1
–——–
Clear Input (active low). Driving this asynchronous input low sets the content of all latches to
1000hex. All DAC outputs are reset to AGND_.
3
REFCD
Reference Voltage Input for DAC C and DAC D. Bypass to AGNDCD with a 0.1μF to 1μF capacitor.
2
AGNDCD
Analog Ground for DAC C and DAC D
7
VOUTB
DAC B Output Voltage
6
VOUTC
DAC C Output Voltage
5
VOUTD
DAC D Output Voltage
4, 42
V
SS
Negative Power Supply, -5V (2 pins). Connect both pins to the supply voltage. Bypass each pin
to the system analog ground with a 0.1μF to 1μF capacitor.
FLAT
PACK
PIN
39
41
40
1
44
43
42, 36
FUNCTION
8
VOUTA
DAC A Output Voltage
2
9, 37
V
DD
Positive Power Supply, 5V (2 pins). Connect both pins to the supply voltage. Bypass each pin to
the system analog ground with a 0.1μF to 1μF capacitor.
3, 31
10
REFAB
Reference Voltage Input for DAC A and DAC B. Bypass to AGNDAB with a 0.1μF to 1μF capacitor.
4
11
AGNDAB
Analog Ground for DAC A and DAC B
5
12
–———–
Load Input (active low). Driving this asynchronous input low transfers the contents of input latches
A and B to the respective DAC latches.
6
13
–———–
Load Input (active low). Driving this asynchronous input low transfers the contents of input latches
C and D to the respective DAC latches.
7
14
–—
–W—–
Chip Select (active low)
Write Input (active low).–W—–, along with–—, loads data into the DAC input latch selected by A0–A2.
8
15
9
ADJACENT-CHANNEL CROSSTALK
A: DIGITAL INPUTS, DAC A, DATA BITS from ALL Os to OAAAhex
B: OUTPUT, DAC B
500ns/div
REF– = 4.096V, C
L
= 50pF, R
L
= 10k
A
5V/div
B
5mV/div
ADJACENT-CHANNEL CROSSTALK
A: DIGITAL INPUTS, DAC A, DATA BITS from OAAAhex to ALL Os
B: OUTPUT, DAC B
500ns/div
REF– = 4.096V, C
L
= 50pF, R
L
= 10k
A:
5V/div
B:
5mV/div
______________________________________________________________Pin Desc ription
____________________________Typic al Operating Charac teristic s (c ontinued)
(V
DD
= 5V, V
SS
= -5V, REF_ = 4.096V, AGND_ = GND = 0V, T
A
= +25°C, unless otherwise noted.)
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