THS7303 Datasheet, PDF (4/43 Pages) Texas Instruments – 3-Channel Low Power Video Amplifier with I2C Control, Selectable Filters, 6-dB Gain, SAG Correction, 2:1 Input MUX, and Selectable Input Bias Modes

THS7303
SLOS479 – OCTOBER 2005
www.ti.com
ELECTRICAL CHARACTERISTICS, V_S+ = 3.3 V (continued)
R_L = 150 Ω to GND, Filter Select = 9 MHz, Input Bias = DC, SAG pin shorted to the output pin (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TYP
25°C
25°C
OVERTEMPERATURE
0°C to 70°C
–40°C to
85°C
UNITS
MIN/MAX
Filter Select = 9 MHz: at 5.1 MHz
70
dB
Filter Select = 16 MHz: at 11 MHz
69
dB
MUX Isolation
Filter Select = 35 MHz: at 27 MHz
69
dB
Filter Select = Bypass: at 60 MHz
73
dB
AC gain – All channels
f = 100 kHz
6
5.7/6.3
5.65/6.35
5.65/6.35
dB
Min/Max
Output impedance
f = 10 MHz
0.7
Ω
DC PERFORMANCE
Output offset voltage
Bias = dc
35
90
95
95
mV
Max
Average offset voltage drift Bias = dc
20
µV/°C
Bias output voltage
Bias = dc + 135 mV, V_I = 0 V
Bias = ac
290
235/345
215/360
200/375
mV
Min/Max
1.65
1.5/1.8
1.45/1.85
1.45/1.85
V
Min/Max
Sync tip clamp output voltage Bias = ac STC
290
210/370
200/380
195/385
mV
Min/Max
Input bias current
Bias = dc - implies Ib out of the pin
–0.6
–4
–5
–5
µA
Max
Average bias current drift
Bias = dc
10
nA/°C
Bias = ac STC, low bias
1.8
0.6/3.3
0.5/3.5
0.4/3.6
µA
Min/Max
Sync tip clamp bias current Bias = ac STC, mid bias
5.8
4.3/8.2
4.1/8.4
4/8.5
µA
Min/Max
Bias = ac STC, high bias
7.8
6.2/10.8
6/11
5.9/11.1
µA
Min/Max
INPUT CHARACTERISTICS
Input voltage range
Bias = dc - limited by output
0/1.57
0/1.52
0/1.47
0/1.47
V
Min/Max
Bias = ac bias mode
19
kΩ
Input resistance
Bias = dc, dc + 135 mV, ac STC
3
MΩ
Input capacitance
2
pF
OUTPUT CHARACTERISTICS
High output voltage swing
Low output voltage swing
Output current
POWER SUPPLY
R_L = 150 Ω to midrail
R_L = 150 Ω to GND
R_L = 75 Ω to midrail
R_L = 75 Ω to GND
R_L = 150 Ω to midrail
R_L = 150 Ω to GND
R_L = 75 Ω to GND
R_L = 75 Ω to GND
R_L = 10 Ω to midrail, sourcing
R_L = 10 Ω to midrail, sinking
3.15
2.9
2.8
3.05
2.85
2.75
3.05
2.8
2.7
2.9
2.65
2.55
0.14
0.24
0.27
0.09
0.17
0.2
0.24
0.33
0.36
0.09
0.17
0.2
70
45
42
70
45
42
2.8
V
Min
2.75
V
Min
2.7
V
Min
2.55
V
Min
0.28
V
Max
0.21
V
Max
0.37
V
Max
0.21
V
Max
40
mA
Min
40
mA
Min
Maximum operating voltage
3.3
5.5
5.5
5.5
V
Max
Minimum operating voltage
3.3
2.6
2.6
2.6
V
Min
Maximum quiescent current
Minimum quiescent current
Total quiescent current
Power supply rejection
(+PSRR)
Per channel V_I = 200 mV
Per channel V_I = 200 mV
All channels ON, V_I = 200 mV⁽³⁾
V_S+ = 3.5 V to 3.1 V
6
7.2
7.4
6
4.8
4.6
16.6
62
37
35
7.5
mA
Max
4.5
mA
Min
mA
35
dB
Min
(3) Due to sharing of internal bias currents, the quiescent current, with all channels operating, is less than the single individual channel
quiescent currents added together.
4