Cirrus Logic CS4955 User Manual

Page 7

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CS4954 CS4955

DS278F6

7

Notes: 1. Values are by characterization only

2. Output current levels with ISET = 4 k

Ω , VREF = 1.232 V.

3. DACs are set to low impedance mode
4. DACs are set to high impedance mode
5. Times for black-to-white-level and white-to-black-level transitions.
6. Low-Z, 3 DACs on
7. High-Z, 6 DACs on

Low Level Output Voltage SDA pin only, lo = 6mA

VOL

-

-

0.4

V

Output Leakage Current High-Z Digital Outputs

-

-10

-

+10

μA

Analog Outputs
Full Scale Output Current CVBS/Y/C/R/G/B

(Notes

1

,

2

,

3

)

IO

32.9

34.7

36.5

mA

Full Scale Output Current CVBS/Y/C/R/G/B

(Notes

1

,

2

,

4

)

IO

8.22

8.68

9.13

mA

LSB Current CVBS/Y/C/R/G/B

(Notes

1

,

2

,

3

)

IB

32.2

33.9

35.7

μA

LSB Current CVBS/Y/C/R/G/B

(Notes

1

,

2

,

4

)

IB

8.04

8.48

8.92

μA

DAC-to-DAC Matching

(Note

1

)

MAT

-

2

4

%

Output Compliance

(Note

1

)

VOC

0

-

+ 1.4

V

Output Impedance

(Note

1

)

ROUT

-

15

-

k

Ω

Output Capacitance

(Note

1

)

COUT

-

-

30

pF

DAC Output Delay

(Note

1

)

ODEL

-

4

12

ns

DAC Rise/Fall Time

(Note

1

,

5

)

TRF

-

2.5

5

ns

Voltage Reference
Reference Voltage Output

VOV

1.170

1.232

1.294

V

Reference Input Current

(Note

1

)

UVC

-

-

10

μA

Power Supply
Supply Voltage

VAA, VDD

3.15
4.75

3.3
5.0

3.45
5.25

V

Digital Supply Current

IAA1

-

70

150

mA

Analog Supply

Low-Z

(Note

6

)

IAA2

-

100

150

mA

Analog Supply

High-Z

(Note

7

)

IAA3

-

60

100

mA

Power Supply Rejection Ratio

PSRR

0.02

0.05

V / V

Static Performance
DAC Resolution

(Note

1

)

-

-

10

Bits

Differential Non-Linearity

(Note

1

)

DNL

-1

+ 0.5

+ 1

LSB

Integral Non-Linearity

(Note

1

)

INL

- 2

+ 1

+ 2

LSB

Dynamic Performance
Differential Gain

(Note

1

)

DG

-

2

5

%

Differential Phase

(Note

1

)

DP

-

+ 0. 5

+ 2

°

Hue Accuracy

(Note

1

)

HA

-

-

2

°

Signal to Noise Ratio

SNR

70

-

-

dB

Saturation Accuracy

(Note

1

)

SAT

-

1

2

%

Parameter

Symbol

Min

Typ Max Units

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