Table 9-17. Tv Dac (4 Outputs: Cvbs, Svy/Tvr, Svc/Tvb, Cvbs/Tvg) - AMD Geode SC1200 Data Book

32579B
9.3.4 TV Interface

Table 9-17. TV DAC (4 Outputs: CVBS, SVY/TVR, SVC/TVB, CVBS/TVG)

Symbol Parameter
RES DAC Resolution
V Full range output voltage
FR
I Full range output current
FR
INL Integral linearity error
DNL Differential linearity error
TVREF Internal reference voltage
Gain Error Gain Error
DDM DAC to DAC matching
R Output impedance
OUT
C Output capacitance
OUT
K DAC constant
N Total Noise
T
Note 1. The maximum difference between the ideal (straight) conversion line and the actual conversion curve.
Note 2. The maximum difference between the ideal step size (1 LSB) and any actual step size.
Note 3. I (mA) = K x TVREF (V) / TVRSET (Ω).
OUT
Note 4. Not tested.
384
Min Max Unit
10 bits
182 IRE
32.9 36.4 mA
±1.5
LSB
±1.5
LSB
1.17 1.29 V
±5
%
2.5 %
15 KΩ
30 pF
32
-55 dB
AMD Geode™ SC1200/SC1201 Processor Data Book
Electrical Specifications
Comments
TVRSET to GND = 1140Ω
R = 37.5
L
Digital input = 3FFh
TVRSET to GND = 1140Ω
R = 37.5
L
Digital input = 3FFh
Note 1
Note 2
Typically 1.235V
I = 0
OUT
Note 3
Note 4