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PDF ADG796A Data sheet ( Hoja de datos )
| Número de pieza | ADG796A | |
| Descripción | Hex 2:1 Multiplexer | |
| Fabricantes | Analog Devices | |
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Preliminary Technical Data
I2C® Compatible, Wide Bandwidth,
Hex 2:1 Multiplexer
ADG796A
FEATURES
Bandwidth: 325 MHz
Low insertion loss and on resistance: 2.6 Ω typical
On resistance flatness: 0.3 Ω typical
Single 3 V/5 V supply operation
3.3 V analog signal range (5 V supply, 75 Ω load)
Low quiescent supply current: 1 nA typical
Fast switching times:
tON 186 ns
tOFF 177 ns
I2C-compatible interface
Compact 24-lead LFCSP
APPLICATIONS
S-Video RGB/YPbPr video switches
HDTV
Projection TV
DVD-R/RW
AV receivers
GENERAL DESCRIPTION
The ADG796A is a monolithic CMOS device comprising six 2:1
multiplexer/demultiplexers controllable via a standard I2C serial
interface. The CMOS process provides ultralow power dissipa-
tion, yet offers high switching speed and low on resistance.
The on-resistance profile is very flat over the full analog input
range and wide bandwidth ensures excellent linearity and low
distortion. These features, combined with a wide input signal
range make the ADG796A the ideal switching solution for a
wide range of TV applications including S-Video, YPbPr and
RGB video switches.
The switches conduct equally well in both directions when on. In
the off condition, signal levels up to the supplies are blocked. The
ADG796A switches exhibit break-before-make switching action.
The integrated I2C interface provides a large degree of flexibility
in the system design. It has two user adjustable I2C address pins
that allow up to four devices on the same bus. This allows the
FUNCTIONAL BLOCK DIAGRAM
VDD
GND
ADG796A
S1A
D1
S1B
S2A
D2
S2B
S3A
D3
S3B
S4A
D4
S4B
S5A
D5
S5B
S6A
D6
S6B
I2C SERIAL
INTERFACE
A0 A1 SDA SCL
Figure 1.
user to expand the capability of the device by increasing the size
of the switching array.
The ADG796A operates from a single 3 V or 5 V supply voltage
and is available in a compact 4 mm × 4 mm body, 24-lead, lead-
free LFCSP.
PRODUCT HIGHLIGHTS
1. Wide bandwidth: 325 MHz.
2. Ultralow power dissipation.
3. Extended input signal range.
4. Integrated I2C serial interface
5. Compact 4 mm × 4 mm, 24-lead, lead-free LFCSP.
Rev. Pr.G
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
1 page  
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Preliminary Technical Data
ADG796A
VDD = 3 V ± 10%, GND = 0 V, TA=−40°C to +85°C unless otherwise noted.
Table 2.
Parameter
ANALOG SWITCH
Analog Signal Range2
On Resistance, RON
On Resistance Matching Between Channels, ∆RON
On Resistance Flatness, RFLAT(ON)
LEAKAGE CURRENTS
Source Off Leakage (IS(OFF))
Drain Off Leakage (ID(OFF))
Channel On Leakage (ID(ON), IS(ON))
DYNAMIC CHARACTERISTICS3
tON, tENABLE
tOFF, tDISABLE
Break-Before-Make Time Delay, tD
Off Isolation
Channel-to-Channel Crosstalk
Same Multiplexer
Different Multiplexer
−3 dB Bandwidth
THD + N
Charge Injection
CS(OFF)
CD(OFF)
CD(ON), CS(ON)
Power Supply Rejection Ratio, PSSR
Differential Gain Error
Differential Phase Error
LOGIC INPUTS (A0, A1, A2)3
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IINL or IINH
Input Capacitance, CIN
LOGIC INPUTS (SCL, SDA)3
Input High Voltage, VINH
Input Low Voltage, VINL
Input Leakage Current, IIN
Input Hysteresis
Input Capacitance, CIN
LOGIC OUTPUTS 3
SDA Pin
Output Low Voltage, VOL
Floating State Leakage Current
Floating State Output Capacitance
Conditions
VS = VDD, RL = 1 MΩ
VS = VDD, RL = 75 Ω
VD = 0 V, IDS = −10 mA, see Figure 18
VD = 0 V to 1 V, IDS = −10 mA, see Figure 18
VD = 0 V IDS = −10 mA
VD = 1 V IDS = −10 mA
VD = 0 V to 1 V, IDS = −10 mA
VD = 2 V/1 V, VS = 1 V/2 V, see Figure 19
VD = 2 V/1 V, VS = 1 V/2 V, see Figure 19
VD = VS = 2 V/1 V, see Figure 20
CL = 35 pF, RL = 50 Ω, VS = 2 V, see Figure 21
CL = 35 pF, RL = 50 Ω, VS = 2 V, see Figure 21
CL = 35 pF, RL = 50 Ω, VS1 = VS2 = 2 V,
see Figure 22
f = 10 MHz, RL = 50 Ω, see Figure 24
f = 10 MHz, RL = 50 Ω, see Figure 25
RL = 50 Ω, see Figure 23
RL = 100 Ω
CL = 1 nF, VS = 0 V, see Figure 26
f = 20 kHz
CCIR330 test signal
CCIR330 test signal
VIN = 0 V to VDD
VIN = 0 V to VDD
ISINK = 3 mA
ISINK = 6 mA
Min
Typ1 Max
Units
0 2.4 V
0 1.7 V
2.2 4
Ω
6Ω
0.15 0.6
Ω
0.8 Ω
0.3 2.8
Ω
±0.25
±0.25
±0.25
nA
nA
nA
198 270
ns
195 260
ns
13
ns
−60 dB
−55 dB
−60 dB
310 MHz
0.14 %
2.5 pC
10 pF
13 pF
27 pF
70 dB
0.28 %
0.28 Degrees
2.0 V
0.8 V
0.005 ±1
µA
3 pF
0.7 × VDD
−0.3
0.05 × VDD
0.005
3
VDD + 0.3
0.3 × VDD
±1
V
V
µA
V
pF
0.4
0.6
±1
3
V
V
µA
pF
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Rev. Pr.G | Page 5 of 24
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Preliminary Technical Data
ADG796A
TYPICAL PERFORMANCE CHARACTERISTICS
3.0
VDD = 3.3V, RL = 1MΩ
2.5 VDD = 3.0V, RL = 1MΩ
VDD = 2.7V, RL = 1MΩ
2.0
1.5
1.0
0.5
0
0
VDD = 3.3V, RL = 75Ω
VDD = 3.0V, RL = 75Ω
VDD = 2.7V, RL = 75Ω
TA = 25°C
1 CHANNEL
0.5 1.0 1.5 2.0 2.5 3.0 3.5
INPUT SIGNAL (V)
Figure 4.Analog Signal Range (3 V Supply)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
VDD = 5.5V, RL = 1MΩ
VDD = 5.0V, RL = 1MΩ
VDD = 4.5V, RL = 1MΩ
VDD = 5.5V, RL = 75Ω
VDD = 5.0V, RL = 75Ω
VDD = 4.5V, RL = 75Ω
TA = 25°C
1 CHANNEL
123456
INPUT SIGNAL (V)
Figure 5.Analog Signal Range (5 V Supply)
6
TA = 25°C
1 CHANNEL
5
VDD = 2.7V
VDD = 3.0V
4 VDD = 3.3V
3
2
1
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
VD (VS) (V)
Figure 6.On Resistance vs. VD (VS) with 3 V Supply
1.8
4.0
TA = 25°C
1 CHANNEL
3.5
3.0
VDD = 4.5V
VDD = 5.0V
VDD = 5.5V
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5
VD (VS) (V)
Figure 7. On Resistance vs. VD (VS) with 5 V Supply
7
TA = 25°C
1 CHANNEL
6 VDD = 3V
5
TA = +85°C
3.0
4
TA = –40°C
3
TA = +25°C
2
1
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
VD (VS) (V)
Figure 8. On Resistance vs. VD (VS) for Various Temperatures with 3 V Supply
4.5
TA = +25°C
4.0
1 CHANNEL
VDD = 5V
3.5
3.0
TA = +85°C
TA = +25°C
TA = –40°C
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
VD (VS) (V)
Figure 9. On Resistance vs. VD (VS) for Various Temperatures with 5 V Supply
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