AD7836ASZ Analog Devices Inc, AD7836ASZ Datasheet - Page 12

• Manufacturer Part Number: AD7836ASZ
• Description: IC DAC 14BIT QUAD LC2MOS 44MQFP
• Manufacturer: Analog Devices Inc

Specifications of AD7836ASZ

• Data Interface: Parallel
• Settling Time: 16µs
• Number Of Bits: 14
• Number Of Converters: 4
• Voltage Supply Source: Analog and Digital, Dual ±
• Power Dissipation (max): 460mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Resolution (bits): 14bit
• Sampling Rate: 62.5kSPS
• Input Channel Type: Parallel
• Supply Current: 7mA
• Digital Ic Case Style: QFP
• No. Of Pins: 44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7836
these DACs can be operated with supplies of 0 V and a –5 V,
with the V
to –5 V. Now these can be used to provide the negative refer-
ence voltages for the V
DD
pin connected to 0 V and the GND pin connected
CONTROLLER
REF
ADDR BUS
DATA BUS
(–) inputs on the AD7836. However,
SDATA
SCLK
Figure 22. Programmable Reference Generation for the AD7836
LOGIC LEVEL
SHIFT
DECODER
0.037 (0.94)
0.025 (0.64)
0.040 (1.02)
0.032 (0.81)
ADDR
SEATING
*
PLANE
ADDITIONAL PINS OMITTED FOR CLARITY
0.096 (2.44)
0.083 (2.11)
0.077 (1.96)
FSIN/CS
FSIN/CS
Dimensions shown in inches and (mm).
SCLK
SCLK
MAX
DIN
DIN
OUTLINE DIMENSIONS
44-Lead MQFP (S-44)
8/10-BIT
8/10-BIT
0.8
0.040 (1.02)
0.032 (0.81)
8
DAC
DAC
–12–
GND
34
44
GND
–5V
+5V
V
V
DD
DD
the digital signals driving the DACs need to be level shifted
from the 0 V to +5 V range to the –5 V to 0 V range. Figure 22
shows a typical application circuit to provide programmable ref-
erence capabilities for the AD7836.
33
1
0.033 (0.84)
0.029 (0.74)
0.548 (13.925)
0.546 (13.875)
(PINS DOWN)
0.398 (10.11)
TOP VIEW
0.390 (9.91)
0V to -5V
0.016 (0.41)
0.012 (0.30)
0V to 5V
23
11
V
V
DATA BUS
22
12
REF
REF
(–) A
(+)A
AD7836
A0,A1,A2
AGND
*
V
OUT
A
V
OUT
REV. A