ADATE207 datasheet(6/36 Pages) AD

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ADATE207

Rev. 0 | Page 6 of 36

ABSOLUTE MAXIMUM RATINGS

Table 3.

Parameter

Rating

VDD

−0.3 V to +2.8 V

Digital Inputs

−0.3 V to VDD + 0.3 V

Resistor Termination pins

−0.3 to VDD + 0.3 V

Resistor Termination Current

12 mA max

Termination Pad Current

12 mA max

Junction Temperature

125°C

Storage Temperature

−40 to 125°C

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

Table 4. Recommended Operating/Environmental

Conditions

Parameter

Min

Typ

Max

Unit

VDD

2.375

2.5

2.625

Case Temperature (TC)

°C

Relative Humidity

(Noncondensing)

THERMAL RESISTANCE

Table 5. Thermal Resistance

Package Type

θJA

θJC

Unit

256-Lead BGA_ED

1.5

°C/W

In Still Air

14.3

°C/W

200 LFPM

12.0

°C/W

400 LFPM

11.2

°C/W

BYPASSING SCHEME

For decoupling, best practice suggests that to preserve as much

of the plane-to-plane capacitance as possible, do not perforate

the planes for VSS and VDD. Secondly, it is advisable to decouple

VDD to VSS by using 0.1 μF high frequency ceramic capacitors.

The trace to the capacitor should be kept to an absolute minimum

length. It is recommend that one capacitor be placed in the

corner of the chip and one in the middle of each side for a total

of eight capacitors for VDD to VSS. Furthermore, decouple

IOVDD to IOVSS on each side of the device. It is recommended

that 10 μF tantalum or ceramic capacitors be used for low

frequency decoupling around the device. It is not important for

these capacitors to be close to the device.

Table 6. Data Table for 256-Lead Ball Grid Array, Thermally

Enhanced, 27 mm × 27 mm Body

Dimension

Minimum

(mm)

Nominal

(mm)

Maximum

(mm)

1.70

0.50

0.60

0.70

0.60

0.80

1.00

26.90

27.00

27.10

24.03

24.13

24.23

26.90

27.00

27.10

24.03

24.13

24.23

0.60

0.75

0.90

1.27

aaa

0.20

bbb

0.25

ccc

0.35

ddd

0.20

eee

0.30

fff

0.15

0.635

ESD CAUTION

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