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ADG5248F 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADG5248F은 전자 산업 및 응용 분야에서
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부품번호 ADG5248F 기능
기능 8:1/Dual 4:1 Multiplexers
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ADG5248F 데이터시트, 핀배열, 회로
Data Sheet
User Defined Fault Protection and
Detection, 0.8 pC QINJ, 8:1/Dual 4:1 Multiplexers
ADG5248F/ADG5249F
FEATURES
User defined secondary supplies set overvoltage level
Overvoltage protection up to −55 V and +55 V
Power-off protection up to −55 V and +55 V
Overvoltage detection on source pins
Minimum secondary supply level: 4.5 V single-supply
Interrupt flags indicate fault status
Low charge injection (QINJ): 0.8 pC
Low drain/source on capacitance
ADG5248F: 19 pF
ADG5249F: 14 pF
Latch-up immune under any circumstance
Known state without digital inputs present
VSS to VDD analog signal range
±5 V to ±22 V dual supply operation
8 V to 44 V single-supply operation
Fully specified at ±15 V, ±20 V, +12 V, and +36 V
APPLICATIONS
Analog input/output modules
Process control/distributed control systems
Data acquisition
Instrumentation
Avionics
Automatic test equipment
Communication systems
Relay replacement
GENERAL DESCRIPTION
The ADG5248F and ADG5249F are 8:1 and dual 4:1 analog
multiplexers. The ADG5248F switches one of eight inputs to a
common output, and the ADG5249F switches one of four differen-
tial inputs to a common differential output. Each channel conducts
equally well in both directions when on, and each channel has an
input signal range that extends to the supplies. The primary supply
voltages define the on-resistance profile, whereas the secondary
supply voltages define the voltage level at which the overvoltage
protection engages.
When no power supplies are present, the channel remains in the off
condition, and the switch inputs are high impedance. Under normal
operating conditions, if the analog input signal levels on any Sx pin
exceed positive fault voltage (POSFV) or negative fault voltage
(NEGFV) by a threshold voltage (VT), the channel turns off and
that Sx pin becomes high impedance. If the switch on, the drain pin
is pulled to the secondary supply voltage that was exceeded. Input
signal levels up to +55 V or −55 V relative to ground are blocked, in
both the powered and unpowered conditions.
Rev. 0
Document Feedback
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
ADG5248F
S1
D
S8
FAULT DETECTION
AND
SWITCH DRIVER
FF
SF
A0 A1 A2 EN POSFV NEGFV
Figure 1. ADG5248F Functional Block Diagram
ADG5249F
S1A
S4A
DA
S1B
S4B
DB
FAULT DETECTION
AND
SWITCH DRIVER
FF
SF
A0 A1 EN POSFV NEGFV
Figure 2. ADG5249F Functional Block Diagram
The low capacitance and charge injection of these switches make
them ideal solutions for data acquisition and sample-and-hold
applications, where low glitch switching and fast settling times
are required.
Note that, throughout this data sheet, multifunction pins, such as
A0/F0, are referred to either by the entire pin name or by a single
function of the pin, for example, A0, when only that function is
relevant.
PRODUCT HIGHLIGHTS
1. Source pins are protected against voltages greater than the
secondary supply rails, up to −55 V and +55 V.
2. Source pins are protected against voltages between −55 V
and +55 V in an unpowered state.
3. Overvoltage detection with digital output indicates
operating state of switches.
4. Trench isolation guards against latch-up.
5. Optimized for low charge injection and on capacitance.
6. The ADG5248F/ADG5249F can be operated from a dual
supply of ±5 V to ±22 V or a single power supply of 8 V to 44 V.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




ADG5248F pdf, 반도체, 판매, 대치품
ADG5248F/ADG5249F
Data Sheet
Parameter
Output Voltage
High, VOH
Low, VOL
DYNAMIC CHARACTERISTICS1
Transition Time, tTRANSITION
tON (EN)
tOFF (EN)
Break-Before-Make Time Delay, tD
+25°C
2.0
0.8
210
290
200
280
105
120
155
Overvoltage Response Time, tRESPONSE
Overvoltage Recovery Time, tRECOVERY
Interrupt Flag Response Time, tDIGRESP
Interrupt Flag Recovery Time, tDIGREC
Charge Injection, QINJ
Off Isolation
90
115
745
945
90
65
900
−0.8
−75
Channel-to-Channel Crosstalk
Adjacent Channels
Nonadjacent Channels
Total Harmonic Distortion Plus Noise,
THD + N
−3 dB Bandwidth
ADG5248F
ADG5249F
Insertion Loss
CS (Off )
CD (Off )
ADG5248F
ADG5249F
CD (On), CS (On)
ADG5248F
ADG5249F
POWER REQUIREMENTS
−75
−88
0.005
190
320
10.5
4
13
8
19
14
Normal Mode
IDD
IPOSFV
IDD + IPOSFV
IGND
ISS
INEGFV
ISS + INEGFV
1.15
0.15
2
0.75
1.25
0.45
0.2
0.8
−40°C to
+85°C
305
295
160
130
965
−40°C to
+125°C Unit
Test Conditions/Comments
V min
V max
ns typ RL = 1 kΩ, CL = 35 pF
310 ns max VS = 10 V, see Figure 48
ns typ RL = 1 kΩ, CL = 35 pF
315 ns max VS = 10 V, see Figure 47
ns typ RL = 1 kΩ, CL = 35 pF
160 ns max VS = 10 V, see Figure 47
ns typ RL = 1 kΩ, CL = 35 pF
90 ns min VS = 10 V, see Figure 46
ns typ RL = 1 kΩ, CL = 5 pF, see Figure 41
130 ns max
ns typ RL = 1 kΩ, CL = 5 pF, see Figure 42
970 ns max
ns typ CL = 12 pF, see Figure 43
µs typ CL = 12 pF, see Figure 44
ns typ
CL = 12 pF, RPULLUP = 1 kΩ, see Figure 45
pC typ VS = 0 V, RS = 0 Ω, CL = 1 nF, see Figure 49
dB typ
RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 39, worst
case channel
RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 38
dB typ
dB typ
% typ
RL = 10 kΩ, VS = 15 V p-p, f = 20 Hz to 20 kHz, see
Figure 37
RL = 50 Ω, CL = 5 pF, see Figure 40
MHz typ
MHz typ
dB typ RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 40
pF typ VS = 0 V, f = 1 MHz
VS = 0 V, f = 1 MHz
pF typ
pF typ
VS = 0 V, f = 1 MHz
pF typ
pF typ
VDD = POSFV = +16.5 V; VSS = NEGFV = −16.5 V;
GND = 0 V; digital inputs = 0 V, 5 V, or VDD
mA typ
mA typ
2 mA max
mA typ
1.25 mA max
mA typ
mA typ
0.85 mA max
Rev. 0 | Page 4 of 33

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ADG5248F 전자부품, 판매, 대치품
Data Sheet
ADG5248F/ADG5249F
Parameter
CD (On), CS (On)
ADG5248F
ADG5249F
POWER REQUIREMENTS
−40°C to −40°C to
+25°C +85°C +125°C Unit
19 pF typ
14 pF typ
Normal Mode
IDD
IPOSFV
IDD + IPOSFV
IGND
ISS
INEGFV
ISS + INEGFV
Fault Mode
IDD
IPOSFV
IDD + IPOSFV
IGND
ISS
INEGFV
ISS + INEGFV
VDD/VSS
1.15
0.15
2
0.75
1.25
0.45
0.2
0.8
1.4
0.2
2.2
0.9
1.6
0.45
0.2
1.0
1 Guaranteed by design; not subject to production test.
mA typ
mA typ
2 mA max
mA typ
1.25 mA max
mA typ
mA typ
0.85 mA max
mA typ
mA typ
2.3 mA max
mA typ
1.7 mA max
mA typ
mA typ
1.1 mA max
±5 V min
±22 V max
Test Conditions/Comments
VS = 0 V, f = 1 MHz
VDD = POSFV = +22 V; VSS = NEGFV = −22 V;
digital inputs = 0 V, 5 V, or VDD
VS = ±55 V
GND = 0 V
GND = 0 V
12 V SINGLE SUPPLY
VDD = 12 V ± 10%, VSS = 0 V, GND = 0 V, CDECOUPLING = 0.1 µF, unless otherwise noted.
Table 3.
Parameter
ANALOG SWITCH
Analog Signal Range
On Resistance, RON
On-Resistance Match Between
Channels, ∆RON
On-Resistance Flatness, RFLAT(ON)
Threshold Voltage, VT
LEAKAGE CURRENTS
Source Off Leakage, IS (Off )
−40°C to −40°C to
+25°C +85°C
+125°C Unit
630
690 710
270
290 355
6
17 19
3
6.5 11
380
440 460
25
27 28
0.7
0 V to VDD
730
410
V
Ω typ
Ω max
Ω typ
Ω max
Ω typ
19 Ω max
Ω typ
12 Ω max
Ω typ
460 Ω max
Ω typ
28 Ω max
V typ
±0.1 nA typ
±1 ±2 ±5 nA max
Rev. 0 | Page 7 of 33
Test Conditions/Comments
VDD = 10.8 V, VSS = 0 V, see Figure 36
VS = 0 V to 10 V, IS = −1 mA
VS = 3.5 V to 8.5 V, IS = −1 mA
VS = 0 V to 10 V, IS = −1 mA
VS = 3.5 V to 8.5 V, IS = −1 mA
VS = 0 V to 10 V, IS = −1 mA
VS = 3.5 V to 8.5 V, IS = −1 mA
See Figure 28
VDD = 13.2 V, VSS = 0 V
VS = 1 V/10 V, VD = 10 V/1 V, see Figure 34

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ADG5248F

8:1/Dual 4:1 Multiplexers

Analog Devices
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