AD7835AS Analog Devices Inc, AD7835AS Datasheet - Page 18

• Manufacturer Part Number: AD7835AS
• Description: IC DAC 14BIT QUAD PARA 44-MQFP
• Manufacturer: Analog Devices Inc

Specifications of AD7835AS

• Rohs Status: RoHS non-compliant
• Settling Time: 10µs
• Number Of Bits: 14
• Data Interface: Parallel
• Number Of Converters: 4
• Voltage Supply Source: Analog and Digital, Dual ±
• Power Dissipation (max): 465mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP

AD7834/AD7835
DSG VOLTAGE RANGE
During power-on, the V
connected to the relevant DSG pins via G
resistor, R. The DSG potential must obey the maximum ratings
at all times. Thus, the voltage at DSG must always be within the
range V
at the V
relevant DSG potential during power-on, the voltage applied to
DSG should also be kept within the range AGND – 2 V to
AGND + 2 V.
SS
OUT
– 0.3 V to V
pins of the AD7834/AD7835 within ±2 V of the
DD
OUT
+ 0.3 V. However, to keep the voltages
pins of the AD7834/AD7835 are
6
and the thin-film
Rev. D | Page 18 of 28
Once the AD7834/AD7835 have powered on and the on-chip
amplifiers have settled, the situation is as shown in Figure 23.
Any voltage subsequently applied to the DSG pin is buffered by
the same amplifier that buffers the DAC output voltage in
normal operation. Thus, for specified operations, the maximum
voltage applied to the DSG pin increases to the maximum
allowable V
DSG is the minimum V
AD7835 has fully powered on, the outputs can track any DSG
voltage within this minimum/maximum range.
REF
(+) voltage, and the minimum voltage applied to
REF
(−) voltage. After the AD7834 or