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PDF AD7520 Data sheet ( Hoja de datos )
| Número de pieza | AD7520 | |
| Descripción | Multiplying D/A Converters | |
| Fabricantes | Harris | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD7520 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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SEMICONDUCTOR
AD7520, AD7530
AD7521, AD7531
December 1993
10-Bit, 12-Bit Multiplying D/A Converters
Features
• AD7520/AD7530 10 Bit Resolution; 8, 9 and 10 Bit
Linearity
• AD7521/AD7531 12 Bit Resolution; 8, 9 and 10 Bit
Linearity
• Low Power Dissipation of 20mW (Max)
• Low Nonlinearity Tempco at 2ppm of FSR/oC
• Current Settling Time 1.0µs to 0.05% of FSR
• ±5V to +15V Supply Voltage Range
• TTL/CMOS Compatible
• Full Input Static Protection
• /883B Processed Versions Available
Description
The AD7520/AD7530 and AD7521/AD7531 are monolithic,
high accuracy, low cost 10-bit and 12-bit resolution,
multiplying digital-to-analog converters (DAC). Harris' thin-
film on CMOS processing gives up to 10-bit accuracy with
TTL/CMOS compatible operation. Digital inputs are fully
protected against static discharge by diodes to ground and
positive supply.
Typical applications include digital/analog interfacing,
multiplication and division, programmable power supplies,
CRT character generation, digitally controlled gain circuits,
integrators and attenuators, etc.
The AD7530 and AD7531 are identical to the AD7520 and
AD7521, respectively, with the exception of output leakage
current and feedthrough specifications.
Ordering Information
PART NUMBER
AD7520JN, AD7530JN
AD7520KN, AD7530KN
AD7521JN, AD7531JN
AD7521KN, AD7531KN
AD7520LN, AD7530LN
AD7521LN, AD7531LN
AD7520JD
AD7520KD
AD7520LD
AD7520SD, AD7520SD/883B
AD7520TD
AD7520UD, AD7520UD/883B
NONLINEARITY
0.2% (8-Bit)
0.1% (9-Bit)
0.2% (8-Bit)
0.1% (9-Bit)
0.05% (10-Bit)
0.05% (10-Bit)
0.2% (8-Bit)
0.1% (9-Bit)
0.05% (10-Bit)
0.2% (8-Bit)
0.1% (9-Bit)
0.05% (10-Bit)
TEMPERATURE RANGE
0oC to +70oC
0oC to +70oC
0oC to +70oC
0oC to +70oC
-40oC to +85oC
-40oC to +85oC
-25oC to +85oC
-25oC to +85oC
-25oC to +85oC
-55oC to +125oC
-55oC to +125oC
-55oC to +125oC
PACKAGE
16 Lead Plastic DIP
16 Lead Plastic DIP
18 Lead Plastic DIP
18 Lead Plastic DIP
16 Lead Plastic DIP
18 Lead Plastic DIP
16 Lead Ceramic DIP
16 Lead Ceramic DIP
16 Lead Ceramic DIP
16 Lead Ceramic DIP
16 Lead Ceramic DIP
16 Lead Ceramic DIP
Pinouts
AD7520, AD7530 (CDIP, PDIP)
TOP VIEW
IOUT1 1
IOUT2 2
GND 3
BIT 1 (MSB) 4
16 RFEEDBACK
15 VREF
14 V+
13 BIT 10 (LSB)
BIT 2 5
BIT 3 6
12 BIT 9
11 BIT 8
BIT 4 7
BIT 5 8
10 BIT 7
9 BIT 6
AD7521, AD7531 (PDIP)
TOP VIEW
IOUT1 1
IOUT2 2
GND 3
BIT 1 (MSB) 4
BIT 2 5
BIT 3 6
BIT 4 7
BIT 5 8
BIT 6 9
18 RFEEDBACK
17 VREF
16 V+
15 BIT 12 (LSB)
14 BIT 11
13 BIT 10
12 BIT 9
11 BIT 8
10 BIT 7
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures.
Copyright © Harris Corporation 1993
8-5
File Number 3104
1 page  
AD7520, AD7530, AD7521, AD7531
Test Circuits The following test circuits apply for the AD7520. Similar circuits are used for the AD7530, AD7521 and AD7531.
10 BIT
BINARY
COUNTER
CLOCK
VREF
+15V
BIT 1
(MSB)
BIT 10
(LSB)
4 15 16
51
RFEEDBACK
IOUT1 -
AD7520
13 3 2 IOUT2
HA2600
+
GND
10kΩ
0.01%
1MΩ
BIT 1 VREF
(LSB)
10kΩ 0.01%
12 BIT
BIT 10 REFERENCE
BIT 11
DAC
-
HA2600
+
LINEARITY
ERROR
X 100
BIT 12
+10V
VREF
BIT 1
(MSB)
BIT 10
(LSB)
+15V
UNGROUNDED
SINE WAVE
GENERATOR
400Hz 1.0VP-P
5K 0.01%
15 14
4 16
51
AD7520
13 3 2
5kΩ 0.01%
RFEEDBACK
IOUT1
-
IOUT2 HA2600
+
GND
500kΩ
-
HA2600
+
FIGURE 2. NONLINEARITY
FIGURE 3. POWER SUPPLY REJECTION
+11V (ADJUST FOR VOUT = 0V)
+15V
1k
15µF
15 14
42
5
AD7520
13 3 1
f = 1kHz
BW = 1Hz
IOUT2 100Ω
IOUT1
10kΩ
QUAN
- TECH
MODEL 134D
101ALN
+ VOUT
WAVE
ANALYZER
50kΩ 1kΩ
50V
0.1µF
FIGURE 4. NOISE
+15V
NC +15V
BIT 1 (MSB)
BIT 10 (LSB)
15 14
4 16
5
AD7520
1
13 3 2
NC
1kΩ
SCOPE
100mVP-P
1MHz
FIGURE 5. OUTPUT CAPACITANCE
VREF = 20VP-P
100kHz SINE WAVE
BIT 1 (MSB)
BIT 10 (LSB)
+15V
15 14
4 16
5
AD7520 1
13 3 2
IOUT1
IOUT2
GND
3-
HA26060
2+
VOUT
VREF
-10V
5t: 1% SETTLING (1mV)
EXTRAPOLATE 8t: 0.03% SETTLING
+15V
t = RISE TIME
BIT 1 (MSB)
+5V
0V
DIGITAL
INPUT
BIT 10 (LSB)
15 14
4
5
AD7520 +100mV
1
13 3 2 IOUT2
100Ω
GND
SCOPE
FIGURE 6. FEEDTHROUGH ERROR
FIGURE 7. OUTPUT CURRENT SETTLING TIME
8-9
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AD7520.PDF ] | |
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