+3V, 8-Bit ADC with 1µA Power-Down

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5

1.6

0.4

-60

140

CONVERSION TIME

vs. AMBIENT TEMPERATURE

0.6

1.4

TEMPERATURE (°C)

60

1.0

0.8

-20

20

100

1.2

1400

800

2.8

4.0

CONVERSION TIME

vs. SUPPLY VOLTAGE

900

1300

SUPPLY VOLTAGE (V)

3.6

1100

1000

3.0

3.4

3.8

1200

3.2

8.0

4.0

1k

10k

100k

EFFECTIVE BITS vs.

INPUT FREQUENCY, WR-RD MODE

INPUT FREQUENCY (Hz)

1M

7.5

7.0

6.5

6.0

5.5

5.0

4.5

fSAMPLE = 400kHz

VIN = 2.98Vp-p

TA = TMIN to TMAX

0

-120

0

200

SIGNAL-TO-NOISE RATIO

FREQUENCY (kHz)

120

-80

40

80

160

-40

-20

-100

-60

SNR = 48.2dB

6

1

2.8

3.0

3.4

3.8

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

2

5

SUPPLY VOLTAGE (V)

3.2

3.6

4

3

MILITARY

CS = RD = 0V

COMMERCIAL

+25°C

EXTENDED

5

0

120

160

240

320

ERROR

vs. POWER-UP TIME

1

4

tUP (ns)

200

280

3

2

VDD = 3.0V

VDD = 3.6V

__________________________________________Typical Operating Characteristics

0.7

2.8

3.8

NORMALIZED TIMING

vs. SUPPLY VOLTAGE

0.8

1.1

SUPPLY VOLTAGE (V)

3.4

1.0

0.9

3.0

3.2

3.6

4.0

10,000

1

1

100k

AVERAGE POWER CONSUMPTION

vs. CONVERSION RATE USING PWRDN

10

1000

CONVERSIONS/SEC

1k

100

10

100

10k

1M