WM8141CFT/V 查看數據表（PDF） - Wolfson Microelectronics plc

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WM8141CFT/V

12-bit 6MSPS CIS/CCD Analogue Front End/Digitiser

Wolfson Microelectronics plc 

WM8141

Production Data

RECOMMENDED OPERATING CONDITIONS

CONDITION

Operating temperature range

Digital supply voltages (5V operation)

Digital supply voltages (3.3V operation)

Analogue supply voltage (5V operation)

Analogue supply voltage (3.3V operation)

SYMBOL

TA

DVDD1, DVDD2

DVDD1, DVDD2

AVDD

AVDD

MIN

0

4.75

2.97

4.75

2.97

POSSIBLE POWER SUPPLY COMBINATIONS

COMBINATION

1

2

3

AVDD, DVDD1 (VOLTS)

5

5

3.3

ELECTRICAL CHARACTERISTICS

TYP

MAX

UNITS

70

°C

5

5.25

V

3.3

3.63

V

5

5.25

V

3.3

3.63

V

DVDD2 (VOLTS)

5

3.3

3.3

ANALOGUE CHARACTERISTICS (5V OPERATION)

Test Conditions

AVDD = DVDD1 = DVDD2 = 4.75 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 12MHz unless otherwise stated.

PARAMETER

SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

Overall System Specification Including CDS, PGA, OFFSET and ADC Functions. No Missing Codes Guaranteed.

Full-scale input voltage range

Max Gain

0.4

Vp-p

(see Note 1)

Min Gain

4.08

Vp-p

Input signal limits (see Note 2)

VIN

0

AVDD

V

Full-scale transition error

Gain = 0dB;

PGA[7:0] = 4B(hex)

20

mV

Zero-scale transition error

Gain = 0dB;

PGA[7:0] = 4B(hex)

20

mV

Differential non-linearity

DNL

0.5

1

LSB

Integral non-linearity

INL

2

LSB

Channel to channel gain matching

1

%

References

Upper reference voltage

VRT

2.70

2.85

3.00

V

Lower reference voltage

VRB

1.25

1.35

1.45

V

Input return bias voltage

VRX

0.60

0.65

0.70

V

Diff. reference voltage (VRT-VRB)

VRTB

1.4

1.5

1.6

V

Output resistance VRT, VRB, VRX

1

Ω

WOLFSON MICROELECTRONICS LTD

PD Rev 3.0 October 2000

4

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