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THS7313 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. THS7313
Description  3-Channel Low Power SDTV Video Amplifier with I2C Control, 6-dB Gain, SAG Correction, 2:1 Input MUX, and Selectable Input Bias Modes
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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THS7313 Datasheet(HTML) 3 Page - Texas Instruments

 
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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS, V
S+ = 3.3 V
THS7313
SLOS483 – NOVEMBER 2005
MIN
NOM
MAX
UNIT
VSS
Supply voltage, VS+
2.7
5
V
TA
Ambient temperature
–40
85
°C
R
L = 150 Ω to GND, Input Bias = dc, SAG pin shorted to the output pin (unless otherwise noted)
TYP
OVERTEMPERATURE
PARAMETER
TEST CONDITIONS
–40
°C to
25
°C
25
°C
0
°C to 70°C
UNITS
MIN/MAX
85
°C
AC PERFORMANCE
Small-signal bandwidth
VO– 0.2 VPP(1)
8
6.7/9.3
6.55/9.45
6.5/9.5
MHz
Min/Max
(–3 dB)
Large-signal bandwidth
VO– 2 VPP(1)
8
MHz
(–3 dB)
Group delay
f = 100 kHz
63
ns
Group delay variation with
f = 5.1 MHz
13
ns
respect to 100 kHz
Group delay matching
Channel-to-Channel
0.5
ns
f = 5.75 MHz
0.5
-0.2 / 2
-0.4 / 2.2
-0.5 / 2.3
dB
Min/Max
Attenuation with respect to
100 kHz
f = 27 MHz
48
36
35
34
dB
Min
Mute feed-thru
f = 1 MHz
-80
dB
Differential gain
NTSC/PAL
0.07%/0.15
%
Differential phase
NTSC/PAL
0.12
°/0.1°
Total harmonic distortion
f = 1 MHz, VO = 2 VPP
–62
dB
Signal to noise ratio
Unified weighting 100 kHz to 6 MHz
82
dB
Channel-to-Channel
f = 1 MHz
–63
dB
crosstalk
MUX Isolation
f = 5.1 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
0.75
DC PERFORMANCE
Output offset voltage
Bias = dc
35
90
95
95
mV
Max
Average offset voltage drift
Bias = dc
20
µV/°C
Bias = dc + 135 mV, VI = 0 V
290
235/345
215/360
200/375
mV
Min/Max
Bias output voltage
Bias = ac
1.65
1.5/1.8
1.45/1.85
1.45/1.85
V
Min/Max
Sync tip clamp output
Bias = ac STC
290
210/370
200/380
195/385
mV
Min/Max
voltage
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
k
Input resistance
Bias = dc, dc + 135 mV, ac STC
3
M
Input capacitance
2
pF
OUTPUT CHARACTERISTICS
RL = 150 Ω to Midrail
3.15
2.9
2.8
2.8
V
Min
RL = 150 Ω to GND
3.05
2.85
2.75
2.75
V
Min
High output voltage swing
RL = 75 Ω to Midrail
3.05
2.8
2.7
2.7
V
Min
RL = 75 Ω to GND
2.9
2.65
2.55
2.55
V
Min
(1)
The Min/Max values listed are specified by design only.
3


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