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PDF ADG799A Data sheet ( Hoja de datos )
| Número de pieza | ADG799A | |
| Descripción | (ADG799A / ADG799G) Triple 2 x 2 Crosspoint Switch | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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I2C®-Compatible, Wide Bandwidth,
Triple 2 × 2 Crosspoint Switch
ADG799A/ADG799G
FEATURES
Bandwidth: 230 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 =184 ns, tOFF = 180 ns
I2C-compatible interface
Compact 24-lead LFCSP
Two I2C-controllable logic outputs (ADG799G only)
ESD protection
4 kV human body model
200 V machine model
1 kV field-induced charged device model
APPLICATIONS
RGB/YPbPr video switches
HDTV
Projection TV
DVD-R/RW
AV receivers
GENERAL DESCRIPTION
The ADG799A/ADG799G are monolithic CMOS devices
comprising three 2 × 2 crosspoint switches controllable via a
standard I2C serial interface. The CMOS process provides
ultralow power dissipation, 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 ADG799A/ADG799G the ideal switching
solution for a wide range of TV applications including RGB and
YPbPr video switches for picture-in picture applications.
The switches conduct equally well in both directions when on.
In the off condition, signal levels up to the supplies are blocked.
The ADG799A/ADG799G switches exhibit break-before-make
switching action. The ADG799G has two general-purpose logic
output pins controlled by the I2C interface that can also be used
to control other non-I2C-compatible devices such as video filters.
The integrated I2C interface provides a large degree of flexibility
in the system design. It has three user-adjustable I2C address
Rev. 0
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.
FUNCTIONAL BLOCK DIAGRAMS
VDD GND
VDD
GND
ADG799A
S1A
2×2
D1A
S1B CROSSPOINT D1B
S2A
2×2
D2A
S2B CROSSPOINT D2B
S3A
2×2
D3A
S3B CROSSPOINT D3B
ADG799G
S1A
2×2
D1A
S1B CROSSPOINT D1B
S2A
2×2
D2A
S2B CROSSPOINT D2B
S3A
2×2
D3A
S3B CROSSPOINT D3B
I2C SERIAL
INTERFACE
GPO1
I2C SERIAL
INTERFACE
GPO2
A0 A1 A2 SDA SCL
A0 A1 A2 SDA SCL
Figure 1. ADG799A and ADG799G
pins that allow up to eight devices on the same bus. This allows
the user to expand the capability of the device by increasing the
size of the switching array.
The ADG799A/ADG799G operate from single 3 V or 5 V supply
voltages and are available in a compact, 4 mm × 4 mm body,
24-lead, Pb-free LFCSP.
PRODUCT HIGHLIGHTS
1. Wide bandwidth: 230 MHz.
2. Ultralow power dissipation.
3. Extended input signal range.
4. Integrated I2C serial interface.
5. Compact 4 mm × 4 mm, 24-lead, Pb-free LFCSP.
6. ESD protection tested as per ESD Association standards:
• 4 kV HBM (ANSI/ESD STM5.1-2001)
• 200 V MM (ANSI/ESD STM5.2-1999)
• 1 kV FICDM (ANSI/ESD STM5.3.1-1999)
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  
ADG799A/ADG799G
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
I2C to GPO Propagation Delay, tH, tL
(ADG799G only)
Off Isolation
Channel-to-Channel Crosstalk
Same Crosspoint Switch
Different Crosspoint Switch
−3 dB Bandwidth
THD + N
Charge Injection
CS(OFF)
CD(OFF)
CD(ON), CS(ON)
Power Supply Rejection Ratio, PSRR
Differential Gain Error
Differential Phase Error
LOGIC INPUTS
A0, A1, A2 Pins3
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IINL or IINH
Input Capacitance, CIN
SCL, SDA Pins3
Input High Voltage, VINH
Input Low Voltage, VINL
Input Leakage Current, IIN
Input Hysteresis
Input Capacitance, CIN
LOGIC OUTPUTS3
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 22
VD = 0 V to 1 V, IDS = −10 mA, see Figure 22
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 23
VD = 2 V/1 V, VS = 1 V/2 V, see Figure 23
VD = VS = 2 V/1 V, see Figure 24
CL = 35 pF, RL = 50 Ω, VS = 2 V, see Figure 28
CL = 35 pF, RL = 50 Ω, VS = 2 V, see Figure 28
CL = 35 pF, RL = 50 Ω, VS1 = VS2 = 2 V,
see Figure 29
f = 10 MHz, RL = 50 Ω, see Figure 26
f = 10 MHz, RL = 50 Ω, see Figure 27
RL = 50 Ω, see Figure 15
RL = 100 Ω
CL = 1 nF, VS = 0 V, see Figure 30
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
0
0
1
2.0
0.7 × VDD
−0.3
Typ 1
3
0.15
0.3
±0.25
±0.25
±0.25
203
200
3
−60
−50
−80
210
0.14
2
13
17
35
70
0.66
1
+0.005
3
0.005
0.05 × VDD
3
3
Max
2.2
1.7
5.5
8
1.8
2.1
2.8
266
260
121
0.8
±1
VDD + 0.3
+0.3 × VDD
±1
0.4
0.6
±1
Unit
V
V
Ω
Ω
Ω
Ω
Ω
nA
nA
nA
ns
ns
ns
ns
dB
dB
dB
MHz
%
pC
pF
pF
pF
dB
%
Degrees
V
V
μA
pF
V
V
μA
V
pF
V
V
μA
pF
Rev. 0 | Page 5 of 24
5 Page 
TYPICAL PERFORMANCE CHARACTERISTICS
3.0
TA = 25°C
1 CHANNEL
2.5
VDD = 3.3V, RL = 1MΩ
VDD = 3V, RL = 1MΩ
VDD = 2.7V, RL = 1MΩ
2.0
VDD = 3.3V, RL = 75Ω
1.5 VDD = 3V, RL = 75Ω
VDD = 2.7V, RL = 75Ω
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT SIGNAL (V)
Figure 5. Analog Signal Range, 3 V Supply
3.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
VDD = 5V, RL = 1MΩ
VDD = 5.5V, RL = 1MΩ
VDD = 5.5V, RL = 75Ω
VDD = 4.5V, RL = 1MΩ
VDD = 5V, RL = 75Ω
VDD = 4.5V, RL = 75Ω
TA = 25°C
1 CHANNEL
123456
INPUT SIGNAL (V)
Figure 6. Analog Signal Range, 5 V Supply
6
TA = 25°C
1 CHANNEL
5
4
3
VDD = 2.7V
VDD = 3.0V
VDD = 3.3V
2
1
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
VD (VS) (V)
Figure 7. On Resistance vs. VD (VS), 3 V Supply
ADG799A/ADG799G
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 8. On Resistance vs. VD (VS), 5 V Supply
3.0
7
TA = 25°C
1 CHANNEL
6 VDD = 3V
5
TA = +85°C
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 9. On Resistance vs. VD (VS) for Various Temperatures, 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 10. On Resistance vs. VD (VS) for Various Temperatures, 5 V Supply
Rev. 0 | Page 11 of 24
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet ADG799A.PDF ] | |
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