NE5020F NXP Semiconductors, NE5020F Datasheet

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NE5020F

Manufacturer Part Number
NE5020F
Description
Manufacturer
NXP Semiconductors
Datasheet
1.NE5020F.pdf (10 pages)
Philips Semiconductors Linear Products
DESCRIPTION
The NE5020 is a microprocessor-compatible monolithic 10-bit
digital-to-analog converter subsystem. This device offers 10-bit
resolution and 0.1% accuracy and monotonicity guaranteed over
full operating temperature range.
Low loading latches, adjustable logic thresholds, and addressing
capability allow the NE5020 to directly interface with most
microprocessor- and logic-controlled systems.
The NE5020 contains internal voltage reference, DAC switches and
resistor ladder. Also, the input buffer and output summing amplifier
are included. In addition, the matched application resistors for
scaling either unipolar or bipolar output values are included on a
single monolithic chip.
The result is a near minimum component count 10-bit resolution
DAC system.
FEATURES
ORDERING INFORMATION
August 31, 1994
24-Pin Ceramic Dual In-Line Package (CERDIP)
24-Pin Plastic Dual In-Line Package (DIP)
10-bit resolution
Guaranteed monotonicity over operating range
Unipolar (0V to +10V) and bipolar ( 5V) output range
Logic bus compatible
5 s settling time
10-Bit P-compatible D/A converter
0.1% relative accuracy
DESCRIPTION
757
PIN CONFIGURATION
APPLICATIONS
TEMPERATURE RANGE
Precision 10-bit D/A converters
10-bit analog-to-digital converters
Programmable power supplies
Test equipment
Measurement instruments
0 to 70 C
0 to 70 C
DIGITAL GND
DB7(MSB)
DB0(LSB)
DB1
DB2
DB3
DB4
DB5
DB6
LE
NC
1
10
11
12
1
2
3
4
5
6
7
8
9
F, N Packages
ORDER CODE
NE5020F
NE5020N
24
23
22
21
20
19
18
17
16
15
14
13
ANALOG GND
AMP COMP
SUM MODE
V
V
V
BIPOLAR OFFSET R
+V
–V
V
V
LE
CC+
OUT
CC–
REF
REF
Product specification
REF
REF
2
ADJ
OUT
IN
IN
853-0392 13721
NE5020
DWG #
0588B
0412A

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NE5020F Summary of contents

Page 1

... DB4 DB5 7 DB6 8 DB7(MSB APPLICATIONS Precision 10-bit D/A converters 10-bit analog-to-digital converters Programmable power supplies Test equipment Measurement instruments TEMPERATURE RANGE ORDER CODE NE5020F NE5020N 757 Product specification NE5020 24 ANALOG GND 23 AMP COMP 22 SUM MODE OUT 19 V CC– 18 BIPOLAR OFFSET R ...

Page 2

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter BLOCK DIAGRAM (11) DB9 MSB (13 (1) DIGITAL GND (21 REF (15) INT OUT V REF V REF (14) ADJ R +V REF (17) REF IN R ...

Page 3

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter DC ELECTRICAL CHARACTERISTICS V +=+15V, V -=-15V unless otherwise specified SYMBOL SYMBOL PARAMETER PARAMETER Resolution Monotonicity Relative accuracy V Positive supply voltage CC+ V Negative ...

Page 4

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter DC ELECTRICAL CHARACTERISTICS SYMBOL SYMBOL PARAMETER PARAMETER V Zero-scale output ZS I Output short-circuit current OS PSR+ Output power supply rejection (+) (OUT) PSR- Output power supply rejection (-) (OUT) TC Full-scale ...

Page 5

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter V CC+ MSB LSB LE2 LE1 5.000V 12 DIG GND ANA GND 17 24 REF 15 V ...

Page 6

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter DATA t SLH 10V 1LSB t PLH OUTPUT LOW Figure 5. Settling Time and Propagation Delay, Low-to-High Data DATA t SHL t PHL 10V OUTPUT 0V 1LSB LE = ...

Page 7

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter TTL, DTL V = +1.4V TH NE5020 DIG GND (PIN 1) +5V CMOS V = +2.8V TH +5V 3.6k PIN 1 IN4148 CIRCUIT DESCRIPTION The NE5020 provides ten data latches, an internal ...

Page 8

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter B0 DATA BUS MSB Figure 11. NE5020 P Interface 8-Bit Data Bus Example +5V LE PRE-LOAD INVERTER LE LOAD Figure 12. Pre-loading the 2 ...

Page 9

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter V IN REF (17) I REF I D DAC CURRENT FROM CURRENT SWITCHES Reference Interface The NE5020 contains an internal bandgap voltage reference which is designed to have a very low temperature ...

Page 10

Philips Semiconductors Linear Products 10-Bit P-compatible D/A converter DAC CURRENT OUTPUT (24) V OUT REF R = 10k 3 10T POT Bipolar Output Voltage The NE5020 includes a thermally matched resistor, R the output voltage obtain –5V ...

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