Datasheet

THS7347
www.ti.com SLOS531B –MAY 2007– REVISED OCTOBER 2011
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
V
DD
Digital supply voltage 2.7 5 V
V
A
Analog supply voltage. Must be equal to or greater than V
DD
V
DD
5 V
T
A
Ambient temperature –40 +85 °C
ELECTRICAL CHARACTERISTICS, V
A
= V
DD
= 3.3 V
R
L
= 150 Ω ∥ 5 pF to GND for Monitor Output, 19 kΩ || 8 pF Load to GND for Buffer Output, SAG pin shorted to Monitor
Output Pin, unless otherwise noted.
TYP OVER TEMPERATURE
0°C to –40°C to MIN/MAX/
PARAMETER TEST CONDITIONS +25°C +25°C +70°C +85°C UNIT TYP
AC PERFORMANCE
Buffer output 500 MHz Typ
Small-signal
V
O
= 0.2 V
PP
bandwidth (–3 dB)
Monitor output 450 MHz Typ
Buffer output 425 MHz Typ
–1 dB flatness V
O
= 0.2 V
PP
Monitor output 375 MHz Typ
Buffer output V
O
= 1 V
PP
475 MHz Typ
Large-signal
bandwidth (–3 dB)
Monitor output V
O
= 2 V
PP
240 MHz Typ
Buffer output V
O
= 1 V
PP
1050 V/μs Typ
Slew rate
Monitor output V
O
= 2 V
PP
1050 V/μs Typ
Buffer output 1.2 ns Typ
Group delay at
100 kHz
Monitor output 1.2 ns Typ
Buffer output 0.05/0.05 % Typ
Differential gain NTSC/PAL
Monitor output 0.1/0.1 % Typ
Buffer output 0.1/0.15 degrees Typ
Differential phase NTSC/PAL
Monitor output 0.15/0.2 degrees Typ
Buffer output V
O
= 1 V
PP
–58 dB Typ
Total harmonic
distortion f = 1 MHz
Monitor output V
O
= 2 V
PP
–57 dB Typ
Buffer output 63 dB Typ
Signal-to-noise ratio No weighting, up to 100 MHz
Monitor output 65 dB Typ
Buffer output –40 dB Typ
Channel-to-channel
f = 100 MHz
crosstalk
Monitor output –36 dB Typ
Buffer output 64 dB Typ
MUX isolation f = 100 MHz
Monitor output 66 dB Typ
Buffer output f = 100 kHz; V
O
= 1 V
PP
0 dB Typ
Gain
Monitor output f = 100 kHz; V
O
= 2 V
PP
6 5.8/6.25 5.75/6.3 5.75/6.35 dB Min/Max
Buffer output 6 ns Typ
Settling time V
IN
= 1 V
PP
; 0.5% settling
Monitor output 6 ns Typ
Buffer output 0.3 Ω Typ
Output impedance f = 10 MHz
Monitor output 0.4 Ω Typ
DC PERFORMANCE
Buffer output 15 ±80 ±85 ±85 mV Max
Output offset voltage Bias = dc
Monitor output 20 ±120 ±125 ±125 mV Max
Buffer output 20 μV/°C Typ
Average offset
Bias = dc
voltage drift
Monitor output 20 μV/°C Typ
Bias = dc + shift, V
IN
= 0 V 255 175/355 165/365 160/370 mV Min/Max
Buffer output
Bias = ac 1.0 0.85/1.15 0.8/1.2 0.8/1.2 V Min/Max
Bias output voltage
Bias = dc + shift, V
IN
= 0 V 235 145/350 135/360 130/365 mV Min/Max
Monitor output
Bias = ac 1.7 1.55/1.85 1.5/1.9 1.5/1.9 V Min/Max
Buffer output 290 200/405 195/410 190/415 mV Min/Max
Sync tip clamp
Bias = ac STC, clamp voltage
voltage
Monitor output 300 200/400 195/405 190/410 mV Min/Max
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