Video Camera LSI
MN673274
6. D/A Converter
VDD = TGVDD = OSCVDD = 3.3 V, ADVDD = DAVDD = 3.3 V, VSS = TGVSS = OSCVSS = ADVSS = DAVSS = 0 V,
Ta = 25°C
1) Pins: VREF23, IREF23, COMP23, BSIG, and RSIG
Item
Symbol
Condition
Min
Typ
Max Unit
D/A Converter Recommended Operating Conditions
Reference voltage
VREF
RL = 75 Ω
RIREF23 = 820 Ω
1.37
V
External phase assurance
capacitor
CCOMP Connect between the
COMP23 pin and AVDD.
1.0
µF
External output resistors
RL Connect these between the
75
Ω
BSIG and RSIG pins
respectively, and AVSS.
External bias current setting
resistor
RIREF
Connect between the
IREF23 pin and AVSS.
820
Ω
D/A converter characteristics
Resolution
Nonlinearity error
Differential nonlinearity error
Full-scale voltage
Zero-scale voltage
RES
INLE
DNLE
VOFS
VOZS
RL = 75 Ω
VREF23 = 1.37 V
RIREF23 = 820 Ω
8
bit
± 2.5 LSB
± 2.5 LSB
1.0
V
0
V
2) Pins: VREF1, IREF1, COMP1, and GSIG
Item
Symbol
Condition
D/A Converter Recommended Operating Conditions
Reference voltage
VREF
RL = 75 Ω
RIREF1 = 1.13 kΩ
External phase assurance
capacitor
External output resistors
CCOMP
RL
Connect between the
COMP1 pin and AVDD.
Connect between the
GSIG pin and AVSS.
External bias current setting
resistor
RIREF
Connect between the
IREF1 pin and AVSS.
D/A converter characteristics
Resolution
Nonlinearity error
Differential nonlinearity error
Full-scale voltage
Zero-scale voltage
RES
INLE
DNLE
VOFS
VOZS
RL = 75 Ω
VREF1 = 1.5 V
RIREF1 = 1.13 kΩ
Min
Typ
Max Unit
1.5
V
1.0
µF
75
Ω
1.13
kΩ
10
bit
± 2.5 LSB
± 2.5 LSB
1.0
V
0
V
11