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AM6012 View Datasheet(PDF) - Philips Electronics

Part Name
Description
View to exact match
AM6012
Philips
Philips Electronics Philips
AM6012 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
Philips Semiconductors Linear Products
12-Bit multiplying D/A converter
Product specification
AM6012
CMOS, HTL
V+
ECL
20k
“A”
2N3904
20k
2N3904
3k
R
TO PIN 13
VLC
400µA
13k
“A”
2N3904
39k
2N3904
3k
TO PIN 13
VLC
6.2k
–5.2V
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.
Figure 3. Interfacing Circuits for ECL, CMOS, HTL Logic Inputs
ACCOMMODATING BIPOLAR REFERENCE
BASIC NEGATIVE REFERENCE OPERATION
VREF(+)
IIN RREF
IREF
VIN
14
18 IO
RIN
15
AM6012
IO
19
IREF > PEAK NEGATIVE SWING OF IIN
NOTE:
IREF > Peak negative swing of IIN.
VREF(+) RREF
RREF = R15
R15
14
(OPTIONAL)
VIN
15
HIGH INPUT
IMPEDANCE
AM6012
18 IO
IO
19
VREF MUST BE ABOVE PEAK POSITIVE SWING OF VIN
NOTE:
VREF(+) Must be above peak positive swing of VIN.
VREF(–)
RREF
14
R15 15
AM6012
NOTE:
VREF(* )
IFS [
RREF x 4
RREF sets IFS; R15 is for a bias current cancellation.
18 IO
IO
19
RECOMMENDED FULL-SCALE ADJUSTMENT
CIRCUIT
VREF(+) RREF
RREF = R15
R15
14
(OPTIONAL)
VIN
15
HIGH INPUT
IMPEDANCE
AM6012
18 IO
IO
19
VREF+ MUST BE ABOVE PEAK POSITIVE SWING OF VIN
August 31, 1994
783
 

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