EVAL-AD5532EB Analog Devices Inc, EVAL-AD5532EB Datasheet

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EVAL-AD5532EB

Manufacturer Part Number
EVAL-AD5532EB
Description
BOARD EVAL FOR AD5532
Manufacturer
Analog Devices Inc
Datasheets

Specifications of EVAL-AD5532EB

Rohs Status
RoHS non-compliant
Number Of Dac's
32
Number Of Bits
14
Outputs And Type
32, Single Ended
Sampling Rate (per Second)
45k
Data Interface
Serial
Settling Time
22µs
Dac Type
Voltage
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD5532
Lead Free Status / Rohs Status
Not Compliant
a
*Protected by U.S. Patent No. 5,969,657; other patents pending.
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
REV. A
FEATURES
High Integration:
Guaranteed Monotonic to 14 Bits
Infinite Sample-and-Hold Capability to
Infinite Sample-and-Hold Total Unadjusted Error
Adjustable Voltage Output Range
Readback Capability
DSP/Microcontroller Compatible Serial Interface
Output Impedance 0.5
Output Voltage Span 10 V
Temperature Range –40 C to +85 C
APPLICATIONS
Automatic Test Equipment
Optical Networks
Level Setting
Instrumentation
Industrial Control Systems
Data Acquisition
Low Cost I/O
32-Channel DAC in 12 mm
TRACK / RESET
DAC GND
SER / PAR
AGND
DGND
BUSY
V
12 mm CSPBGA
IN
AD5532B
SCLK
INTERFACE
CONTROL
0.018% Accuracy
LOGIC
DV
FUNCTIONAL BLOCK DIAGRAM
ADC
MUX
D
CC
IN
AV
D
MODE
OUT
CC
2.5 mV
32-Channel, 14-Bit DAC with Precision
14-BIT
BUS
REF IN REF OUT
SYNC / CS
DAC
DAC
DAC
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
GENERAL DESCRIPTION
The AD5532B is a 32-channel, voltage output, 14-bit DAC with
an additional precision infinite sample-and-hold mode. The
selected DAC register is written to via the 3-wire serial inter-
face and V
contents of the DAC register. DAC selection is accomplished via
address bits A0–A4. The output voltage range is determined by
the offset voltage at the OFFS_IN pin and the gain of the
output amplifier. It is restricted to a range from V
V
The device is operated with AV
to +5.25 V, V
and requires a stable 3 V reference on REF_IN as well as an
offset voltage on OFFS_IN.
PRODUCT HIGHLIGHTS
1. 32-channel, 14-bit DAC in one package, guaranteed
2. The AD5532B is available in a 74-lead CSPBGA with a body
3. In infinite sample-and-hold mode, a total unadjusted error of
Infinite Sample-and-Hold Mode
DD
ADDRESS INPUT REGISTER
monotonic.
size of 12 mm
± 2.5 mV is achieved by laser-trimming on-chip resistors.
A4–A0
– 2 V because of the headroom of the output amplifier.
OFFS IN
OUT
CAL
SS
for this DAC is then updated to reflect the new
= –4.75 V to –16.5 V, and V
OFFSET_SEL
V
DD
12 mm.
V
SS
CC
V
V
OFFS OUT
WR
OUT
OUT
= +5 V ± 5%, DV
31
0
© Analog Devices, Inc., 2002
AD5532B
DD
= +8 V to +16.5 V
www.analog.com
CC
SS
= +2.7 V
+ 2 V to
*

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EVAL-AD5532EB Summary of contents

Page 1

FEATURES High Integration: 32-Channel DAC CSPBGA Guaranteed Monotonic to 14 Bits Infinite Sample-and-Hold Capability to Infinite Sample-and-Hold Total Unadjusted Error Adjustable Voltage Output Range Readback Capability DSP/Microcontroller Compatible Serial Interface Output Impedance 0.5 Output ...

Page 2

AD5532B–SPECIFICATIONS OFFS_IN = OV; Output Range from Parameter DAC DC PERFORMANCE Resolution Integral Nonlinearity (INL) Differential Nonlinearity (DNL) Offset Gain Full-Scale Error ISHA DC PERFORMANCE Nonlinearity IN OUT ...

Page 3

Parameter 7 DIGITAL INPUTS Input Current Input Low Voltage Input High Voltage Input Hysteresis (SCLK and CS Only) Input Capacitance 7 DIGITAL OUTPUTS (BUSY OUT Output Low Voltage Output High Voltage, DV ...

Page 4

AD5532B AC CHARACTERISTICS (V DD AGND = DGND = DAC_GND = 0 V; REF_IN = 3 V; OFF_IN = OV; All specifications T 1 Parameter 3 DAC AC CHARACTERISTICS Output Voltage Settling Time OFFS_IN Settling Time Digital-to-Analog Glitch Impulse Digital ...

Page 5

PARALLEL INTERFACE TIMING DIAGRAM CS WR A4–A0, CAL, OFFS SEL Figure 1. Parallel Write (ISHA Mode Only) SERIAL INTERFACE TIMING DIAGRAMS t 1 SCLK SYNC MSB Figure 3. 10-Bit Write (ISHA ...

Page 6

... DACs, 32-Channel ISHA AD5533ABC-1* 32-Channel ISHA Only AD5533BBC-1* 32-Channel Precision ISHA Only EVAL-AD5532EB Evaluation Board *Separate Data Sheet. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD5532B features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

Page 7

CSPBGA Ball Number Name A1 NC CS/SYNC A5 A6 DVCC A7 SCLK A8 OFFSET_SEL BUSY A9 TRACK/RESET A10 A11 NC* B1 VO16 B2 NC DGND B7 D ...

Page 8

AD5532B Mnemonic Description AGND (1–2) Analog GND Pins AV (1–2) Analog Supply Pins. Voltage range from 4. 5. (1–4) V Supply Pins. Voltage range from 16 (1–4) V ...

Page 9

TERMINOLOGY DAC MODE Integral Nonlinearity (INL) This is a measure of the maximum deviation from a straight line passing through the endpoints of the DAC transfer function expressed as a percentage of full-scale span. Differential Nonlinearity (DNL) Differential ...

Page 10

Performance Characteristics AD5532B 1 REFIN 0 OFFS_IN 0.6 0.4 0.2 0.0 –0.2 –0.4 –0.6 –0.8 –1 10k 12k 14k 16k DAC CODE TPC ...

Page 11

FUNCTIONAL DESCRIPTION The AD5532B can be thought of as consisting of 32 DACs and an ADC (for ISHA mode single package. In DAC mode, a 14-bit digital word is loaded into one of the 32 DAC registers via ...

Page 12

AD5532B CONTROLLER DAC BUSY TRACK of the pin driver, the comparator output switches. The µC/µP then knows what code is required to be input in order to obtain the desired voltage at the DUT. The TRACK input is now brought ...

Page 13

DAC Mode In this standard mode, a selected DAC register is loaded serially. This requires a 24-bit write (10 bits to address the relevant DAC plus an extra 14 bits of DAC data). (See Figure 4.) MSB is written ...

Page 14

AD5532B MICROPROCESSOR INTERFACING AD5532B to ADSP-21xx Interface The ADSP-21xx family of DSPs is easily interfaced to the AD5532B without the need for extra logic. A data transfer is initiated by writing a word to the TX register after the SPORT ...

Page 15

APPLICATION CIRCUITS AD5532B in a Typical ATE System The AD5532B is ideally suited for use in automatic test equipment. Several DACs are required to control pin drivers, comparators, active loads, and signal timing. Traditionally, sample-and-hold devices were used in these ...

Page 16

PM_GS AD5532B The power supply lines of the AD5532B should use as large a trace as possible to provide low impedance paths and reduce the effects of glitches on the power supply line. Fast switching signals such as ...

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