THS7327 Datasheet, PDF (5/26 Pages) Texas Instruments – 3-Channel RGBHV Video Buffer with I2C Control, Selectable Filters, Monitor Pass-Thru,2:1 Input MUX, and Selectable Input Bias Modes

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THS7327
SLOS502 – SEPTEMBER 2006
ELECTRICAL CHARACTERISTICS, V_A = V_DD = 3.3 V (continued)
R_L = 150 Ω || 5 pF to GND for Monitor Output, 19 kΩ || 8 pF Load to GND for ADC Buffer, ADC Buffer Filter = 9 MHz, SAG
pin shorted to Monitor Output Pin (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Input resistance
Bias = ac bias mode
Bias = dc, dc + Shift, ac STC
Input capacitance
OUTPUT CHARACTERISTICS – MONITOR OUTPUT
RL = 150 Ω to Midrail
High output voltage swing
RL = 150 Ω to GND
RL = 75 Ω to Midrail
RL = 75 Ω to GND
RL = 150 Ω to Midrail
Low output voltage swing
RL = 150 Ω to GND
RL = 75 Ω to Midrail
RL = 75 Ω to GND
Output current
Sourcing
Sinking
RL = 10 Ω to Midrail
RL = 10 Ω to Midrail
OUTPUT CHARACTERISTICS – BUFFER OUTPUT
High Output Voltage Swing (Limited by input
range and G = 0dB)
Low Output Voltage Swing (Limited by input
range and G = 0dB)
Load = 19kΩ||8pF to Midrail
Output Current
Sourcing
Sinking
RL = 10 Ω to GND
RL = 10 Ω to Midrail
POWER SUPPLY – ANALOG
Maximum operating voltage
VA
Minimum operating voltage
VA
Maximum quiescent current
VA, DC+Shift Mode, Vin = 100 mV
Minimum quiescent current
VA, DC+Shift Mode, Vin = 100 mV
Power supply rejection (+PSRR)
Buffer Output
POWER SUPPLY – DIGITAL
Maximum operating voltage
VDD
Minimum operating voltage
VDD
Maximum quiescent current
VDD, Vin = 0 V
Minimum quiescent current
VDD, Vin = 0 V
DISABLE CHARACTERISTICS – ALL CHANNELS DISABLED
Quiescent current
All 3 channels disabled ⁽³⁾
Turn-on time delay (tON)
Turn-on time delay (tOFF)
Time for ls to reach 50% of final value after I²C
control is initiated
HV SYNC CHARACTERISTICS – RLoad = 1 kΩ To GND
Schmitt Trigger Adj. Pin Voltage
Reference for Schmitt Trigger
Schmitt Trigger Threshold Range
Allowable range for Sch. Trig. Adj.
Schmitt Trigger VT+
Positive Going Input Voltage Threshold Relative to
Schmitt Trigger Threshold
Schmitt Trigger VT–
Negative Going Input Voltage Threshold Relative to
Schmitt Trigger Threshold
Schmitt Trigger Threshold Pin Input
Resistance
Input Resistance into Control Pin
H V Sync Input Impedance
H V Sync High Output Voltage
1kΩ to GND
H V Sync Low Output Voltage
1kΩ to GND
H V Sync Source Current
10Ω to GND
H V Sync Sink Current
10Ω to VDD
H V Delay
Delay from Input to Output
H V to Buffer Output Skew
No Filter on Buffer Channel
TYP
25°C
25
3
1.5
25°C
OVER TEMPERATURE
0°C to
70°C
–40°C to
85°C
UNITS
kΩ
MΩ
pF
MIN/MAX
Typ
Typ
Typ
3.15
2.9
2.8
2.8
3.05
2.85
2.75
2.75
3.05
2.9
0.15
0.25
0.28
0.29
0.1
0.18
0.21
0.22
0.25
0.08
80
50
47
45
75
50
47
45
V
Min
V
Min
V
Min
V
Min
V
Min
V
Min
V
Min
V
Min
mA
Min
mA
Min
2
1.8
1.75
1.75
0.14
0.24
0.27
0.28
80
50
47
45
75
50
47
45
V
Min
V
Max
mA
Min
mA
Min
3.3
5.5
5.5
5.5
V
Max
3.3
2.7
2.7
2.7
V
Min
100
120
123
125
mA
Max
100
80
77
75
mA
Min
50
dB
Typ
3.3
5.5
5.5
5.5
V
Max
3.3
2.7
2.7
2.7
V
Min
0.65
1.2
1.3
1.4
mA
Max
0.65
0.35
0.3
0.25
mA
Min
0.1
µA
Typ
5
µs
Typ
2
µs
Typ
1.48
0.9 to 2
0.25
-0.3
10
10
3.15
0.01
50
35
6.5
5
1.35/1.6 1.3/1.65
3.05
3
0.05
0.1
35
30
25
23
1.27/1.68
3
0.1
30
21
V
Min/Max
V
Typ
V
Typ
V
Typ
kΩ
Typ
MΩ
Typ
V
Min
V
Max
mA
Min
mA
Min
ns
Typ
ns
Typ
(3) Note that the I²C circuitry is still active while in Disable mode. The current shown is while there is no activity with the THS7327’s
circuitry.
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