OMAP4430 Datasheet, PDF (192/443 Pages) Texas Instruments – Multimedia Device

OMAP4430
SWPS041D – DECEMBER 2010 – REVISED JANUARY 2012
AVDAC
Public Version
www.ti.com
vssa_hdmi_vdac
vdda_hdmi_vdac
I DAC
+
OFF TVBUF
–
OFF ^VREF
TVDET
cvideo_tvout
cvideo_vfb
R_LOAD
cvideo_rset
R_SET
= External pin
SWPS040-124
Figure 5-2. Recommended Loading Conditions for TVOUT Bypass Mode
5.3 Electrical Specifications Over Recommended Operating Conditions
• TVOUT dc high swing mode:
– R_OUT = 2.7 kΩ (±1%)
– R_SET = 4.7 kΩ (±1%)
– R_LOAD = 75 Ω (±5%)
– Z_CABLE = 75 Ω (±5%)
• TVOUT ac high swing mode:
– R_OUT = 2.7 kΩ (±1%)
– R_SET = 4.7 kΩ (±1%)
– R_LOAD = 75 Ω (±5%)
– Z_CABLE = 75 Ω (±5%)
– CAC = 220 µF (±5%)
Table 5-1. DAC—Static Electrical Specifications⁽⁸⁾
PARAMETER
CONDITIONS/ASSUMPTIONS
MIN
R
Resolution
DC ACCURACY
INL⁽¹⁾
Integral nonlinearity (INL)
50 to 111 input code range
–6
Integral nonlinearity (INL)
111 to 895 input code range
–4
signal video range
DNL⁽²⁾
Integral nonlinearity (INL)
783 to 1007 input code range
–5
synchronization pulse
Differential nonlinearity
111 to 895 input code range
–2.5
ANALOG OUTPUT
-
Output voltage
0 to 1023 input code range,
1.2
R_LOAD = 75 Ω
-
Gain error
-
–10
R_VOUT
REFERENCE
Output impedance
67.5
V_REF
Internal band gap voltage
reference
POWER CONSUMPTION
TYP
10
1.3
75
0.55
MAX
6
4
5
2.5
1.5
10
82.5
UNIT
Bits
LSB
LSB
V
% FS
Ω
V
192 Video DAC Specifications
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