AK8826 Datasheet, PDF (12/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

5. Electrical Characteristics
[AK8826VN]
■ Absolute Maximum Ratings (* Power supply voltages are values where each ground pin(DVSS=AVSS) is at 0V)
Parameter
Min.
Max.
Unit
Power Supply (VDD)
AVDD (DAC,PLL,VREF)
4.2
DVDD (Digital Core)
-0.3
2.2
V
PDVD1(Digital I/O)
4.2
PVDD2 (Digital I/O)
4.2
Input Voltage (VIN)
-0.3
PVDD1 + 0.3
PVDD2 + 0.3
V
Input Current (IIN)
+/- 10
mA
Storage temperature
-40
125
°C
* All power supply ground pins (DVSS, AVSS) should be at the same potential.
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal Operating Specifications are not guaranteed at these extremes.
■ Recommended Operating Conditions
Parameter
Min.
Typ.
Max.
Unit
Power Supply (VDD)
AVDD
2.7
3.0
3.6
DVDD
1.65
1.8
2.0
V
PVDD1
DVDD
1.8
3.6
PVDD2
DVDD
1.8
3.6
Operating Temperature (TA)
-40
85
°C
■ Analog Characteristics and Power Dissipation
(operating voltage AVDD3.0V, DVDD 1.8V Temperature 25°C)
Parameter
Min
Typ.
Max.
Unit
Condition
DAC Resolution
10
bit
Integral Non-Linearity Error INL
+/- 0.6
+/- 2.0
LSB Note 1)
Differential Non-Linearity Error DNL
+/- 0.4
+/- 1.0
LSB Note 1)
Output Full Scale Voltage
1.15
1.28
1.41
V
Load Resistor 300Ω
DAC SNR
54
dB
Note 2)
Output Bandwidth
+/- 1
dB
Note 3)
Unbalances between DACs
1.5
3
%
Note 4)
Internal Reference Voltage
1.43
V
Internal Reference Drift
60
ppm/°C
Current Consumption of Analog part
30
40
mA
Note 5)
Current Consumption of Digital part
Component Encoder mode
Composite Encoder mode
35
8
70
16
mA
Note 6)
DAC mode
8
16
Current Consumption of Sleep mode
1
mA
Current Consumption of Power down
10
300
uA
PDN=Low
Note 1. DAC:148MHz Operation
Note 2. 2MHz Sin-wave input. (Noise Band-Width 0 – 30MHz)
Note 3. Output Bandwidth 30MHz: at 148MHz Operation DAC1 (Load Resistor 300ohm) Channel Onlyç External Load
Capacitor 10 pF (SubAddress[0x0A] HDAFLT[1:0]=11)
Note 4. Variation when a 700 mV equivalent code is input on DACs.
Note 5. DAC 3ch ON fs=74MHz / Component mode (Y: 30MHz Sin wave, CbCr: 15MHz Sin wave)
Note 6: Clock-rate and Input data is
Composite Video Encoder mode: 515i (27MHz) Internal Color Bar
Component Video Encoder mode: 1080i (74Mhz) Y: 30MHz Sin wave, CbCr: 15MHz Sin wave)
High Speed DAC mode: 54MHz Clock 20MHz SIn wave Data input.
MS0972-E-01
12
2008/12