參數(shù)資料
型號(hào): AM6012D
廠商: NXP Semiconductors N.V.
元件分類: DAC
英文描述: 12-Bit multiplying D/A converter
中文描述: 12位乘法D/ A轉(zhuǎn)換器
封裝: PLASTIC, SOL-20
文件頁(yè)數(shù): 8/11頁(yè)
文件大小: 107K
代理商: AM6012D
Philips Semiconductors Linear Products
Product specification
AM6012
12-Bit multiplying D/A converter
August 31, 1994
783
Figure 3. Interfacing Circuits for ECL, CMOS, HTL Logic Inputs
NOTE:
1. Set the voltage ‘A’ to the desired logic input switching threshold.
2. Allowable range of logic threshold is typically –5V to +13.5V when operating the DAC on
±
15V supplies.
V+
“A”
TO PIN 13
V
LC
2N3904
2N3904
400
μ
A
20k
20k
3k
R
–5.2V
“A”
TO PIN 13
V
LC
2N3904
2N3904
6.2k
13k
39k
3k
CMOS, HTL
ECL
ACCOMMODATING BIPOLAR REFERENCE
NOTE:
V
REF(+)
Must be above peak positive swing of V
IN
.
NOTE:
I
REF
> Peak negative swing of I
IN
.
V
REF
(+)
R
REF
R
IN
AM6012
14
15
18
19
V
IN
I
IN
I
REF
I
O
I
O
I
REF
> PEAK NEGATIVE SWING OF I
IN
14
15
18
19
AM6012
I
O
I
O
V
IN
R
REF
= R
15
V
REF
(+)
R
REF
R15
(OPTIONAL)
HIGH INPUT
V
REF
MUST BE ABOVE PEAK POSITIVE SWING OF V
IN
BASIC NEGATIVE REFERENCE OPERATION
NOTE:
IFS
VREF(
RREF
)
x 4
R
REF
sets I
FS
; R15 is for a bias current cancellation.
14
15
18
19
R15
AM6012
I
O
I
O
V
REF
(–)
R
REF
RECOMMENDED FULL-SCALE ADJUSTMENT
CIRCUIT
V
REF+
MUST BE ABOVE PEAK POSITIVE SWING OF V
IN
14
15
18
19
(OPR15
HIGH INPUT
AM6012
I
O
I
O
V
IN
R
REF
= R
15
V
REF
(+)
R
REF
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