MP7643AN 查看數據表（PDF） - Exar Corporation

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MP7643AN

4-Channel, Programmable Gain Voltage Output, 15 MHz Input Bandwidth 8-Bit DACs with Multiplying Parallel Digital Data Port

Exar Corporation 

MP7643

ELECTRICAL CHARACTERISTICS TABLE

Description

DIGITAL TIMING

SPECIFICATIONS (2, 4)

Address to LD Setup

Address to LD Hold

Data to LD Setup

Data to LD Hold

LD Pulse Width

PRESET Pulse Width

Symbol

Min

tAS

70

tAH

0

tDS

70

tDH

0

tLD

70

tPR

50

25°C

Typ

Max

Units Conditions

ns

ns

ns

ns

ns

ns

NOTES

1 Full Scale Range (FSR) is 3V.

2 Guaranteed but not production tested.

3 Digital input levels should not go below ground or exceed the positive supply voltage, otherwise damage may occur.

4 See Figure 1.

5 For reference input pulse: tR = tF > 100 ns.

Specifications are subject to change without notice

ABSOLUTE MAXIMUM RATINGS (TA = +25°C unless otherwise noted)1, 2

VCC to VREFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5 V

VEE to VREFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –6.5 V

VCC to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13.0 V

VEE to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –6.5 V

VREF 1-4 to DGND, VREFN . . . . . . . . . . . . . . . . . . VCC to VEE

VOUT 1-4 to DGND, VREFN . . . . . . . . . . . . . . . . . . VCC to VEE

Digital Input & Output Voltage to DGND –0.5 to VDD +0.5 V

Operating Temperature Range

Extended Industrial . . . . . . . . . . . . . . . . . . . –40°C to +85°C

Maximum Junction Temperature . . . . . . . . . –65°C to 150°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C

Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . +300°C

Package Power Dissipation Rating @ 75°C

PDIP, SOIC, PLCC . . . . . . . . . . . . . . . . . . . . . . . 1050mW

Derates above 75°C . . . . . . . . . . . . . . . . . . . . . 14mW/°C

NOTES:

1 Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a

stress rating only and functional operation at or above this specification is not implied. Exposure to maximum rating

conditions for extended periods may affect device reliability.

2 Any input pin which can see a value outside the absolute maximum ratings should be protected by Schottky diode clamps

(HP5082-2835) from input pin to the supplies. All inputs have protection diodes which will protect the device from short

transients outside the supplies of less than 100mA for less than 100µs.

Rev. 1.00

5

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