THS7353 Datasheet, PDF (6/51 Pages) Texas Instruments – 3-Channel Low Power Video Buffer with I2C Control, Selectable Filters, External Gain Control, 2:1 Input MUX, and Selectable Input Modes

THS7353
SLOS484 – NOVEMBER 2005
www.ti.com
ELECTRICAL CHARACTERISTICS, V_S+ = 5 V
R_L = 150 Ω to GND, Filter Select = 9 MHz, Input Bias = dc, Adjust 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
AC PERFORMANCE
Filter Select = 9 MHz⁽¹⁾
9
7.6/10.4
7.4/10.6
7.3/10.7
MHz
Min/Max
Small-signal bandwidth
(–3 dB) V_O– 0.2 V_PP
Filter Select = 16 MHz⁽¹⁾
Filter Select = 35 MHz⁽¹⁾
16
13.4/18.6 13.1/18.9
13/19
MHz
Min/Max
35
26.9/40.6 26.6/40.9
26.5/41
MHz
Min/Max
Filter Select = Bypass
150
MHz
Filter Select = 9 MHz
9
MHz
Large-signal bandwidth
Filter Select = 16 MHz
16
(–3 dB) V_O– 1 V_PP
Filter Select = 35 MHz
35
MHz
MHz
Filter Select = Bypass
100
MHz
Slew rate
Filter Select = Bypass, V_O = 2 V_PP
300
Filter Select = 9 MHz
53
V/µs
ns
Filter Select = 16 MHz
30.8
ns
Group delay at 100 kHz
Filter Select = 35 MHz
17
ns
Filter Select = Bypass
3
ns
Filter Select = 9 MHz: at 5.1 MHz
10.2
ns
Group delay variation with
respect to 100 kHz
Filter Select = 16 MHz: at 11 MHz
7.3
ns
Filter Select = 35 MHz: at 27 MHz
4.4
ns
Filter Select = 9 MHz: at 5.75 MHz
0.2
-0.3/1.2
-0.5/1.4
-0.6/1.5
dB
Min/Max
Filter Select = 9 MHz: at 27 MHz
43
33
32
31
dB
Min
Attenuation with respect to ^{Filter Select = 16 MHz: at 11 MHz}
100 kHz
Filter Select = 16 MHz: at 54 MHz
0.3
-0.4/1.2
-0.6/1.4
-0.7/1.5
dB
Min/Max
47
35
34
33
dB
Min
Filter Select = 35 MHz: at 27 MHz
0.75
-0.5/3
-0.6/3.2
-0.7/3.3
dB
Min/Max
Filter Select = 35 MHz: at 74 MHz
29
13
12
11
dB
Min
Mute feed thru
Filter Select = Bypass: at 30 MHz
-73
dB
Differential gain
Filter Select = 9 MHz: NTSC/PAL
0.22%/0.33
%
Differential phase
Filter Select = 9 MHz: NTSC/PAL
0.55°/0.65°
Filter Select = 9 MHz
–64
dB
Total harmonic distortion
Filter Select = 16 MHz
–73
dB
f = 1 MHz, 1 V_PP
Filter Select = 35 MHz
–70
dB
Filter Select = Bypass
–71
dB
Filter Select = 9 MHz, 480i source
83
dB
Signal to noise ratio (unified _{Filter Select = 16 MHz, 480p source}
81
dB
weighting per CCIR 576-2
recommendation)
Filter Select = 35 MHz, 720p source
78
dB
Filter Select = Bypass⁽²⁾, 720p source
66
dB
Filter Select = 9 MHz: at 1 MHz
–70
dB
Channel-to-Channel
Filter Select = 16 MHz: at 1 MHz
–73
dB
Crosstalk (V_O = 1 V_PP)
Filter Select = 35 MHz: at 1 MHz
–78
dB
Filter Select = Bypass: at 1 MHz
–84
dB
Filter Select = 9 MHz: at 5.1 MHz
76
dB
Filter Select = 16 MHz: at 11 MHz
74
dB
MUX Isolation
Filter Select = 35 MHz: at 27 MHz
74
dB
Filter Select = Bypass: at 60 MHz
69
dB
Output impedance
f = 10 MHz
0.7
Ω
DC PERFORMANCE
Output offset voltage
Bias = dc
20
70
80
85
mV
Max
Average offset voltage drift Bias = dc
20
µV/°C
(1) The Min/Max values listed are specified by design only.
(2) Bandwidth up to 100-MHz, No Weighting, Tilt Null
6