THS7327 Datasheet, PDF (8/26 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

THS7327
SLOS502 – SEPTEMBER 2006
www.ti.com
ELECTRICAL CHARACTERISTICS, V_A = V_DD = 5 V (continued)
R_L = 150Ω || 5pF to GND for Monitor Output, 19kΩ || 8pF Load to GND for ADC Buffer, ADC Buffer Filter = 9MHz, SAG pin
shorted to Monitor Output Pin (unless otherwise noted)
PARAMETER
TEST CONDITIONS
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 channels disabled ⁽⁴⁾
Turn-on time delay (tON)
Turn-on time delay (tOFF)
HV SYNC CHARACTERISTICS⁽⁵⁾
Time for ls to reach 50% of final value after I²C
control is initiated
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°C
OVER TEMPERATURE
0°C to
70°C
–40°C to
85°C
UNITS
MIN/MAX
3.4
3.1
3
3
0.14
0.24
0.27
0.28
110
85
80
75
80
85
80
75
V
Min
V
Max
mA
Min
mA
Min
5
5.5
5.5
5.5
V
Max
5
2.7
2.7
2.7
V
Min
118
145
148
150
mA
Max
118
95
92
90
mA
Min
46
dB
Typ
5
5.5
5.5
5.5
V
Max
5
2.7
2.7
2.7
V
Min
1
2
3
3
mA
Max
1
0.5
0.4
0.4
mA
Min
1
µA
Typ
5
µs
Typ
2
µs
Typ
1.55
0.9 to 2
0.25
-0.3
1.45/1.65 1.4/1.7
10
10
4.8
4.7
4.6
0.01
0.05
0.1
90
60
55
50
30
27
6.5
5
1.37/1.73
4.6
0.1
55
25
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
(4) 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 I²C
circuitry.
(5) Schmitt Trigger threshold is defined by (VT+ – VT–)/2.
8
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