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ADV7172 Datasheet(PDF) 4 Page - Analog Devices

Part No. ADV7172
Description  Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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–4–
REV. A
ADV7172/ADV7173–SPECIFICATIONS
Parameter
Test Conditions1
Min
Typ
Max
Units
STATIC PERFORMANCE3
Resolution (Each DAC)
10
Bits
Accuracy (Each DAC)
Integral Nonlinearity
1.0
LSB
Differential Nonlinearity
Guaranteed Monotonic
1.0
LSB
DIGITAL INPUTS
3
Input High Voltage, VINH
2V
Input Low Voltage, VINL
0.8
V
Input Current, IIN
VIN = 0.4 V or 2.4 V
±1
µA
Input Capacitance, CIN
10
pF
DIGITAL OUTPUTS
3
Output High Voltage, VOH
ISOURCE = 400
µA
2.4
V
Output Low Voltage, VOL
ISINK = 3.2 mA
0.4
V
Three-State Leakage Current
10
µA
Three-State Output Capacitance
10
pF
ANALOG OUTPUTS3
Output Current (DACs A, B, C)4
RSET1 = 150
Ω, R
L = 37.5
34.7
mA
Output Current (DACs A, B, C)5
RSET1 = 1041
Ω, R
L = 262.5
5mA
Output Current (DACs D, E, F)6
RSET2 = 600
Ω, R
L = 150
8.66
mA
Output Current (DACs D, E, F)5
RSET2 = 1041
Ω, R
L = 262.5
5mA
DAC-to-DAC Matching (DACs A, B, C)3
1
4.0
%
DAC-to-DAC Matching (DACs D, E, F)3
1
4.0
%
Output Compliance, VOC
+1.4
V
Output Impedance, ROUT
30
k
Output Capacitance, COUT
IOUT = 0 mA
30
pF
POWER REQUIREMENTS3, 7
VAA
3.0
3.3
3.6
V
Normal Power Mode
IDAC (max)
8, 9
RSET1,2 = 600
58
65
mA
IDAC (min)
8
RSET1,2 = 1041
30
mA
ICCT
10
40
mA
Sleep Mode
IDAC
11
0.1
µA
ICCT
12
0.1
µA
Power Supply Rejection Ratio
COMP = 0.1
µF
0.01
%/%
NOTES
1The max/min specifications are guaranteed over this range. The max/min values are typical over 3.0 V to 3.6 V.
2Temperature range T
MIN to TMAX: 0°C to +70°C.
3Guaranteed by characterization.
4Full drive into 75
Ω doubly terminated load.
5Minimum drive current (used with buffered/scaled output load).
6Full Drive into 150
Ω load.
7Power measurements are taken with Clock Frequency = 27 MHz. Max T
J = 110°C.
8I
DAC is the total current (“min” corresponds to 5 mA output per DAC, “max” corresponds to 8.66 mA output per DAC ) to drive DACs A, B, C, D, E, F. Turning off
individual DACs reduces IDAC correspondingly, also DACs A, B, C can be configured to output a max current of 37 mA.
9DACs A, B, C can output 35 mA typically at 3.3 V (R
SET = 150 Ω and RL = 37.5 Ω), optimum performance obtained at 18 mA DAC Current (RSET = 300 Ω and
RL = 75 Ω).
10I
CCT (Circuit Current) is the continuous current required to drive the device.
11Total DAC current in Sleep Mode.
12Total continuous current during Sleep Mode.
Specifications subject to change without notice.
3.3 V SPECIFICATIONS
(VAA = +3.0 V–3.6 V
1, V
REF = 1.235 V, RSET1,2 = 600
unless otherwise noted. All specifications TMIN to TMAX
2
unless otherwise noted)




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