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384 AMD Geode™ SC1200/SC1201 Processor Data Book
Electrical Specifications
32579B
9.3.4 TV Interface
Table 9-17. TV DAC (4 Outputs: CVBS, SVY/TVR, SVC/TVB, CVBS/TVG)
Symbol Parameter Min Max Unit Comments
RES DAC Resolution 10 bits
V
FR
Full range output voltage 182 IRE TVRSET to GND = 1140Ω
R
L
= 37.5
Digital input = 3FFh
I
FR
Full range output current 32.9 36.4 mA TVRSET to GND = 1140Ω
R
L
= 37.5
Digital input = 3FFh
INL Integral linearity error ±1.5 LSB Note 1
DNL Differential linearity error ±1.5 LSB Note 2
TVREF Internal reference voltage 1.17 1.29 V Typically 1.235V
Gain Error Gain Error ±5%
DDM DAC to DAC matching 2.5 %
R
OUT
Output impedance 15 KΩ
C
OUT
Output capacitance 30 pF I
OUT
= 0
K DAC constant 32 Note 3
N
T
Total Noise -55 dB Note 4
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
OUT
(mA) = K x TVREF (V) / TVRSET (Ω).
Note 4. Not tested.