MP8798AN 查看數據表（PDF） - Exar Corporation

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MP8798AN

CMOS Very Low Power, 1 MSPS 10-Bit Analog-to-Digital Converter with 4-Channel Mux

Exar Corporation 

MP8798

ELECTRICAL CHARACTERISTICS TABLE (CONT’D)

Parameter

25°C

Symbol

Min

Typ

Max

Units Test Conditions/Comments

DIGITAL OUTPUTS

COUT=15 pF

Logical “1” Voltage

VOH DVDD-0.5

V

ILOAD = 2 mA

Logical “0” Voltage

VOL

0.4

V

ILOAD = 4 mA

Tristate Leakage

IOZ

0

5

µA

VOUT = 0 to DVDD

Data Hold Time (See NO TAG)1

tHLD

30

35

ns

Data Valid Delay1

tDL

35

45

ns

Write Pulse Width1

tWR

40

ns

Multiplexer Address Setup Time1

tAS

80

ns

Multiplexer Address Hold Time1

tAH

0

ns

Delay from WR to Multiplexer1

Enable

Power Down Time1

Power Up Time1

tMUXEN1

tPD

tPU

80

ns

300

ns

200

ns

POWER SUPPLIES8

Power Down (IDD)

IPD-DD

0.6

Operating Voltage (AVDD, DVDD)

VDD

4

5

Current (AVDD + DVDD)

IDD

6

1.2

mA

6.5

V

10

mA

VIN = 2 V

NOTES:

1 Guaranteed. Not tested.

2 Tester measures code transition voltages by dithering the voltage of the analog input (VIN). The difference between the measured

code width and the ideal value (VREF/1024) is the DNL error (see NO TAG). The INL error is the maximum distance (in LSBs) from

the best fit line to any transition voltage (See Figure 7.).

3 See VIN input equivalent circuit (see Figure 9.).

4 Clock specification to meet aperture specification (tAP). Actual rise/fall time can be less stringent with no loss of accuracy.

5 Specified values guarantee functional device. Refer to other parameters for accuracy.

6 System can clock MP8798 with any duty cycle as long as all timing conditions are met.

7 Input range where input is converted correctly into binary code. Input voltage outside specified range converts to zero or full scale

output.

8 DVDD and AVDD are connected through the silicon substrate. Connect together at the package.

Specifications are subject to change without notice

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

VDD (to GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V

VREF(+) & VREF(–) . . . . . . . . . . . . . . GND –0.5 to VDD +0.5 V

VIN . . . . . . . . . . . . . . . . . . . . . . . . . . GND –0.5 to VDD +0.5 V

All Inputs . . . . . . . . . . . . . . . . . . . . . GND –0.5 to VDD +0.5 V

All Outputs . . . . . . . . . . . . . . . . . . . GND –0.5 to VDD +0.5 V

Storage Temperature . . . . . . . . . . . . . . . . . . . –65 to +150°C

Lead Temperature (Soldering 10 seconds) . . . . . . . +300°C

Package Power Dissipation Rating to 75°C

SOIC, PDIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000mW

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.

3 VDD refers to AVDD and DVDD. GND refers to AGND and DGND.

Rev. 3.00

5

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