High Integration: 32-Channel DAC in 12 ؋ 12 mm2 LFBGA
Adjustable Voltage Output Range
DSP-/Microcontroller-Compatible Serial Interface
0.5 ⍀ (AD5532-1, AD5532-2)
500 ⍀ (AD5532-3)
1 k⍀ (AD5532-5)
Output Voltage Span
10 V (AD5532-1, AD5532-3, AD5532-5)
20 V (AD5532-2)
Infinite Sample-and-Hold Capability to ؎0.018% Accuracy
Temperature Range –40؇C to +85؇C
Automatic Test Equipment
Industrial Control Systems
Low Cost I/O
The AD5532 is a 32-channel voltage-output 14-bit DAC with
an additional infinite sample-and-hold mode. The selected DAC
register is written to via the 3-wire serial interface and VOUT
for this DAC is then updated to reflect the new 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 VSS + 2 V to VDD – 2 V because
of the headroom of the output amplifier.
The device is operated with AVCC = 5 V ± 5%, DVCC = 2.7 V
to 5.25 V, VSS = –4.75 V to –16.5 V and VDD = 8 V to 16.5 V
and requires a stable +3 V reference on REF_IN as well as an
offset voltage on OFFS_IN.
1. 32-channel, 14-bit DAC in one package, guaranteed
2. The AD5532 is available in a 74-lead LFBGA package with
a body size of 12 mm × 12 mm.
3. Droopless/Infinite Sample-and-Hold Mode.
FUNCTIONAL BLOCK DIAGRAM
TRACK / RESET
DVCC AVCC REF IN REF OUT OFFS IN VDD VSS
SCLK DIN DOUT
ADDRESS INPUT REGISTER
SYNC / CS A4 –A0 CAL OFFSET SEL
*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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
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