PS396ACWIE [PERICOM]

Single-Ended Multiplexer, 1 Func, 16 Channel, CMOS, PDSO28, SOIC-28;
PS396ACWIE
型号: PS396ACWIE
厂家: PERICOM SEMICONDUCTOR CORPORATION    PERICOM SEMICONDUCTOR CORPORATION
描述:

Single-Ended Multiplexer, 1 Func, 16 Channel, CMOS, PDSO28, SOIC-28

光电二极管
文件: 总11页 (文件大小:461K)
中文:  中文翻译
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ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel, 17V Analog Multiplexers  
Features  
Description  
§ ImprovedAlternate Source for MAX396/MAX397  
PS396A/PS397A low-resistance CMOS analog multiplexers feature  
35% lower ON resistance (65-ohm max.) than MAX396/397 devices.  
Resistance matching is within 5.5 ohms between switches and resis-  
tance flatness is 4-ohms maximum. PS396A is a 16-channel multi-  
plexer, and the PS397Ais a dual 8-channel differential device.  
§ 65-Ohm Maximum On-Resistance  
– 35% improvement over Maxim  
§ Guaranteed On-Resistance Flatness: 4-Ohm Max.  
§ Guaranteed On-Resistance Matching: 5.5-Ohm Max  
§ Guaranteed Low Charge Injection: 4.5pC Max.  
§ Dual-Supply Operation (±2.7V to ±8V)  
§ Single-Supply Operation (+2.7V to +16V)  
§ Rail-to-RailAnalog Signal Range  
§ Fast Switching Speed, tTRANS <250ns  
§ Break-Before-MakeAction Eliminates Momentary Crosstalk  
§ Low Power Consumption, 10µW  
§ TTL/CMOS Logic Compatible with 5V/±5V Supplies  
§ Narrow SOIC and SSOPPackages Minimize BoardArea  
§ Pin Compatible with MAX306/7, DG406/7, DG506A/7A  
and MAX396/7  
Application versatility is enhanced through wide supply voltage  
operation. Operating voltage options range from dual ±2.7V to ±8V  
supplies, to a single +2.7V to +16V supply. With supply current  
under 1µA, the devices are ideal for battery powered systems. TTL  
logic compatibility exists for dual-supply operation up to ±8V and  
for single supply operation under 10V.  
Design improvements yield extremely low charge injection (4.5pC  
max) and guarantee electrostatic-discharge (ESD) protection greater  
than 2000V. They also offer low leakage over temperature (input  
off-leakage current less than 1nA at +85°C) and fast switching  
speeds (transition time less than 130ns).  
The PS396A/PS397A are pin compatible, improved replacements  
for the Maxim MAX396/MAX397. Package options include 28-pin  
wide SO, DIP and SSOP packages.  
Applications  
§ Data Acquisition Systems  
§ Control Systems  
§ Test Equipment/ATE  
§ Battery-Powered Systems  
§ Audio Switching and Routing § Medical Instrumentation  
PS396A 16-Channel Single-Ended Multiplexer  
Functional Block Diagrams and Pin Configurations  
PS396A  
V+  
V–  
GND  
On  
Switch  
A3 A2 A1 A0 EN  
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V+  
N.C.  
N.C.  
COM  
V–  
NO1  
NO2  
NO3  
NO4  
NO5  
NO6  
NO7  
NO8  
NO9  
NO10  
NO11  
NO12  
NO13  
NO14  
NO15  
NO16  
x
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
x
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
x
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
x
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
None  
1
3
NO8  
NO7  
NO6  
NO5  
NO4  
NO3  
NO2  
NO1  
EN  
2
4
NO16  
NO15  
NO14  
NO13  
NO12  
NO11  
NO10  
NO9  
3
5
4
6
5
7
PS396A  
COM  
6
8
7
9
8
10  
11  
12  
13  
14  
9
10  
11  
12  
13  
14  
15  
16  
GND  
N.C.  
A3  
A0  
A1  
A2  
CMOS DECODERS/DRIVERS  
N.C. = NO INTERNAL CONNECTION  
A0  
A1  
A2  
A3  
EN  
Logic "0" = V 0.8V,  
AL  
Logic "1" = V  
2.4V  
AH  
PXXXX  
02/16/01  
1
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel,Analog Multiplexers  
PS397A 8-Channel Differential Multiplexer  
Functional Block Diagrams and Pin Configurations  
V+  
V–  
GND  
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V+  
COMB  
N.C.  
COMA  
V–  
PS397A  
NO1A  
NO2A  
NO3A  
NO4A  
NO5A  
NO6A  
NO7A  
NO8A  
NO1B  
NO2B  
NO3B  
NO4B  
NO5B  
NO6B  
NO7B  
NO8B  
3
NO8A  
NO7A  
NO6A  
NO5A  
NO4A  
NO3A  
NO2A  
NO1A  
EN  
On  
A2 A1 A0 EN  
Switch  
4
NO8B  
NO7B  
NO6B  
NO5B  
NO4B  
NO3B  
NO2B  
NO1B  
GND  
COMA  
5
X
0
0
0
0
1
1
1
1
X
0
0
1
1
0
0
1
1
X
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
None  
6
1
2
3
4
5
6
7
8
PS397A  
7
8
9
10  
11  
12  
13  
14  
COMB  
A0  
A1  
A2  
N.C.  
N.C.  
CMOS DECODERS/DRIVERS  
N.C. = NO INTERNAL CONNECTION  
Logic "0" = V 0.8V,  
AL  
A0  
A1  
A2  
EN  
Logic "1" = V  
2.4V  
AH  
PinDescription  
Pin  
Name  
Function  
PS396A  
1
PS397A  
1
V+  
N.C.  
Positive Supply-Voltage Input  
No Internal Connection  
Analog Signal B Output  
No Internal Connection  
Analog Signal Inputs  
2, 3, 13  
2
COMB  
N.C.  
3, 13, 14  
4-11  
NO16 - NO9  
NO8B - NO1B  
GND  
4-11  
12  
Analog Signal B Inputs  
Logic Ground  
12  
14-17  
A3-A0  
Logic Address Inputs  
Logic Address Inputs  
Logic enable Input  
15, 16, 17  
18  
A2, A1, A0  
EN  
18  
19-26  
NO1 - NO8  
NO1A - NO8A  
V–  
Analog Signal Inputs  
19-26  
27  
Analog Signal A Inputs  
Negative Supply-Voltage Input  
Analog Signal Output  
Analog Signal A Output  
27  
28  
COM  
28  
COMA  
Note:  
Analog signal input and output pins are interchangeable. The PS396A/397A are bidirectional CMOS  
switcheswithrail-to-railswitching.  
PXXXX  
02/16/01  
2
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel, Analog Multiplexers  
AbsoluteMaximumRatings  
ApplicationsInformation  
Voltages Referenced to GND  
OperationwithSupplyVoltagesOtherthan±5V  
V+ ....................................................................–0.3Vto+17V  
....................................................................+0.3Vto–17V  
V+toV– ..........................................................–0.3Vto+17V  
Using supply voltages less than ±5V reduces the analog signal  
range.ThePS396A/PS397Amultiplexers(muxes)operatewith±3V  
to±8Vbipolarsuppliesorwitha+3Vto+15Vsinglesupply.Connect  
V– to GND when operating with a single supply. Both devices can  
also operate with unbalanced supplies, such as +10V and –5V. The  
Typical Operating Characteristics graphs show typical on-resis-  
tance with ±3V, ±5V, +3V, and +5V supplies. (Switching times  
increase by a factor of two or more for operation at 5V or below.)  
Thesemuxesoperatewithasinglesupplyaslowas1V, althoughon  
resistanceandswitchingtimesbecomeextremelyhigh.Performance  
is not guaranteed below 2.7V. This is useful information only  
becauseitassuresproperswitchstatewhilepowersuppliesrampup  
or down slowly. Overvoltage Protection Proper power-supply se-  
quencingisrecommendedforallCMOSdevices. Donotexceedthe  
absolute maximum ratings, because stresses beyond the listed rat  
ings can cause permanent damage to the devices. Always sequence  
V+ on first, then V-, followed by the logic inputs, NO, or COM. If  
power-supply sequencing is not possible, add two small-signal  
diodes(D1,D2)inserieswithsupplypinsforovervoltageprotection  
(Figure 1). Adding diodes reduces the analog-signal range to one  
diode drop below V+ and one diode drop above V-, but does not  
affectthedevices’lowswitchresistanceandlowleakagecharacter-  
istics. Device operation is unchanged, and the difference between  
V+ and V- should not exceed 17V. These protection diodes are not  
recommended when using a single supply.  
(1)  
Voltage into any terminal ................... (V––2V)to(V++2V)  
........................................ or 30mA, whichever occurs first  
Current into any terminal ...........................................±30mA  
Peak current into any terminal ...................................±50mA  
Continuous power Dissipation (T = +70°C)  
A
PlasticDIP(derate14.29mW/°Cabove+70°C) ... 1143mW  
WideSO (derate12.50mW/°Cabove+70°C) ..... 1000mW  
SSOP(derate9.52mW/°Cabove+70°C) ................ 762mW  
Operating Temperature Ranges  
PS39_ACI ..................................................... 0°Cto+70°C  
PS39E_AEI ............................................... –40°Cto+85°C  
Storage Temperature Range .......................–65°Cto+150°C  
LeadTemperature(soldering, 10sec) .........................+300°C  
Note1:  
Signals on any terminal exceeding V+ or V– are clamped by  
internaldiodes. Limitforwardcurrenttomaximumcurrentrating.  
CAUTION  
Stresses beyond those listed under “Absolute Maximum  
Ratings” may cause permanent damage to the device. This is a  
stress only rating and operation of the device at these or any  
other conditions beyond those indicated in the operational  
sections of this specification is not implied.  
+5V  
D1  
V+  
*
*
*
*
COM  
NO  
V–  
D1  
+5V  
*Internal Protection Diodes  
Figure1.OvervoltageProtectionusingBlockingDiodes  
PXXXX  
02/16/01  
3
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel,Analog Multiplexers  
ElectricalCharacteristics—DualSupplies  
(V+ = +5V ±10%, V– = –5V ±10%, GND = 0V, V = V  
= 2.4V, V = V  
= 0.8V, T = T to T , unless otherwise noted.)  
ENL A Min Max  
AH  
ENH  
AL  
Temperature  
Range  
Parameter  
Symbol  
Conditions  
Min.(2) Typ.(2) Max.(2) Units  
Switch  
Analog Signal Range  
VCOM, VNO (note 3)  
V–  
V+  
65  
V
TA = +25°C  
45  
Channel  
ON-Resistance  
INO = 1mA,  
VCOM = ±3.5V  
RON  
TA = TMIN to TMAX  
TA = +25°C  
75  
INO = 1mA,  
5.5  
ON-Resistance Matching  
Between Channels(4)  
DRON  
VCOM = ±3.5V,  
V+ = 5V, V– = –5V  
Ohm  
TA = TMIN to TMAX  
TA = +25°C  
6.4  
4
INO = 1mA,  
On-Resistance Flatness(5)  
RFLAT(ON)  
VCOM = ±3.0V,  
V+ = 5V, V– = –5V  
TA = TMIN to TMAX  
6
VNO = ±4.5V,  
VCOM = ±4.5V,  
V+ = 5.5V,  
TA = +25°C  
–0.1  
–1.0  
–0.03  
0.1  
1.0  
NO Off-Leakage  
Current(6)  
INO(OFF)  
TA = TMIN to TMAX  
V– = –5.5V  
TA = +25°C  
–0.2  
–2.5  
–1.0  
–2.5  
–0.4  
–5  
0.05  
0.03  
0.09  
0.05  
0.2  
2.5  
0.1  
2.5  
0.4  
5
PS396A  
VCOM = ±4.5V,  
VNO = ±4.5V,  
V+ = 5.5V,  
TA = TMIN to TMAX  
TA = +25°C  
COM Off-Leakage  
Current(6)  
ICOM(OFF)  
nA  
V– = –5.5V  
PS397A  
PS396A  
PS397A  
TA = TMIN to TMAX  
TA = +25°C  
TA = TMIN to TMAX  
TA = +25°C  
COM On-Leakage  
Current(6)  
VCOM = ±4.5V,  
VNO = 4.5V  
ICOM(ON)  
–0.2  
–2.5  
0.2  
2.5  
TA = TMIN to TMAX  
Digital Logic Input  
Logic High  
Input Voltage  
VAH, VENH  
VAL, VENL  
2.4  
V
Logic Low  
Input Voltage  
0.8  
0.1  
0.1  
Input Current with Input  
Voltage High  
IAH, IENH VA = VEN = 2.4V  
IAL, IENL VA = VEN = 0.8V  
–0.1  
–0.1  
µA  
Input Current with Input  
Voltage Low  
PXXXX  
02/16/01  
4
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel, Analog Multiplexers  
ElectricalCharacteristics—DualSupplies(continued)  
(V+ = +5V ±10%, V– = –5V ±10%, GND = 0V, V = V  
= 2.4V, V = V  
= 0.8V, T = T to T , unless otherwise noted.)  
ENL A Min Max  
AH  
ENH  
AL  
Temperature  
Range  
Parameter  
Dynamic  
Symbol Conditions  
Min.(2) Typ.(2) Max.(2) Units  
TA = +25°C  
95  
130  
220  
Transition Time  
tTRANS  
Figure 2  
Figure 4  
Figure 3  
TA = TMIN to TMAX  
TA = +25°C  
Break-Before-  
Make Interval  
tOPEN  
5
70  
ns  
TA = +25°C  
TA = TMIN to TMAX  
TA = +25°C  
100  
150  
250  
225  
260  
Enable  
Turn-On Time  
tON(EN)  
200  
Enable  
Turn-Off Time  
tOFF(EN)  
Figure 3  
CL = Inf  
TA = TMIN to TMAX  
Charge  
Injection(3)  
VCTE  
VISO  
TA = +25°C  
TA = +25°C  
2
4.5  
pC  
dB  
VNO = 0V, Figure 5  
VEN = 0V, RL = 1kOhm,  
f = 100kHZ  
Off Isolation(7)  
–75  
VEN = 2.4V, f = 100kHZ,  
VNO = 1Vp-p,  
RL = 1kOhm, Figure 7  
Crosstalk  
Between Channels  
VCT  
TA = +25°C  
–92  
Logic Input  
Capacitance  
CIN  
f = 1MHz  
TA = +25°C  
TA = +25°C  
8
NO Off  
Capacitance  
CNO(OFF) f = 1 MHz VEN = VCOM = 0V  
11  
pF  
PS396A  
TA = +25°C  
TA = +25°C  
TA = +25°C  
TA = +25°C  
80  
40  
90  
68  
COM Off  
Capacitance  
f = 1 MHz  
VEN = VCOM = 0V  
CCOM(OFF)  
PS397A  
PS396A  
PS397A  
COM On  
Capacitance  
CCOM(ON) f = 1 MHz, Figure 4  
Supply  
Power-Supply  
Range  
±3  
±8  
1.0  
1.0  
V
Positive Supply  
Current  
VEN = VA = 0V/V+, V+ = 5.5V,  
V– = –5.5V,  
I+  
I–  
TA = +25°C  
TA = +25°C  
–1.0  
–1.0  
Negative Supply  
Current  
VEN = VA = 0V/V+, V+ = 5.5V,  
V– = –5.5V  
µA  
TA = +25°C  
–1.0  
–1.0  
1.0  
1.0  
VEN = VA = 0V/V+, V+ = 5.5V,  
V– = –5.5V  
Ground Current  
IGND  
TA = TMIN to TMAX  
PXXXX  
02/16/01  
5
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel,Analog Multiplexers  
ElectricalCharacteristics—Single+5VSupply  
(V+ = +5V ±10%, V– = 0V, GND = 0V, V = V  
= 2.4V, V = V  
= 0.8V, T = T to T , unless otherwise noted.)  
ENL A Min Max  
AH  
ENH  
AL  
Temperature  
Range  
Parameter  
Switch  
Symbol  
Conditions  
Min.(2) Typ.(2) Max.(2) Units  
Analog  
Signal Range  
VCOM,  
VNO, VNC  
(note 3)  
V–  
V+  
V
TA = +25°C  
75  
100  
135  
6
INO = 1mA,  
On-Resistance  
RON  
VCOM = 3.5V, V+ = 4.5V  
TA = TMIN to TMAX  
TA = +25°C  
On-Resistance  
Matching Between  
Channels(4)  
INO = 1mA,  
COM = 3.5V, V+ = 4.5V  
DRON  
Ohm  
V
TA = TMIN to TMAX  
8
TA = +25°C  
6
INO = 1mA, VCOM = 3V, 2V, 1V;  
V+ = 5V  
On-Resistance Flatness  
RFLAT  
TA = TMIN to TMAX  
TA = +25°C  
9
–0.1  
–1.0  
0.03  
0.05  
0.1  
1.0  
NO Off Leakage  
Current(8)  
VNO = 4.5V,  
INO(OFF)  
VCOM = 0V, V+ = 5.5V  
TA = TMIN to TMAX  
VNO = 0V,  
COM = 4.5V,  
V+ = 5.5V  
TA = +25°C  
–0.2  
–2.5  
–0.2  
–2.5  
–0.4  
–5.0  
–0.2  
–2.5  
0.2  
2.5  
0.2  
2.5  
0.4  
5.0  
0.2  
2.5  
V
PS396A  
PS397A  
PS396A  
PS397A  
TA = TMIN to TMAX  
TA = +25°C  
COM  
Off-Leakage Current(8)  
ICOM(OFF)  
VNO = 0V,  
0.02  
0.09  
0.04  
VCOM = 4.5V,  
nA  
TA = TMIN to TMAX  
TA = +25°C  
V+ = 5.5V  
VNO = 4.5V,  
VCOM = 4.5V,  
TA = TMIN to TMAX  
TA = +25°C  
V+ = 5.5V  
COM  
On-Leakage Current(8)  
ICOM(ON)  
VNO = 4.5V,  
VCOM = 4.5V,  
TA = TMIN to TMAX  
V+ = 5.5V  
Digital Logic Input  
Logic High Input  
Voltage  
VAH  
VENH  
,
2.4  
V
Logic Low Input  
Voltage  
VAL  
,
0.8  
0.1  
0.1  
VENL  
Input Current with  
Input Voltage High  
I
AH, IENH  
VA = VEN = 2.4V  
–0.1  
–0.1  
0.001  
0.001  
µA  
Input Current with  
Input Voltage Low  
I
AL, IENL  
VA = 0V, VEN = 0.8V  
PXXXX  
02/16/01  
6
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel, Analog Multiplexers  
ElectricalCharacteristics—Single+5VSupply(continued)  
(V+ = +5V ±10%, V– = 0V, GND = 0V, V = V  
= 2.4V, V = V  
= 0.8V, T = T to T , unless otherwise noted.)  
ENL A Min Max  
AH  
ENH  
AL  
Temperature  
Range  
Parameter  
Dynamic  
Symbol  
Conditions  
Min.(2) Typ.(2) Max.(2) Units  
TA = +25°C  
150  
65  
245  
350  
Transition Time(3)  
tTRANS  
VNO = 3V, Figure 2  
(note 3)  
TA = TMIN to TMAX  
TA = +25°C  
Break-Before-Make  
Time Delay  
tOPEN  
10  
ns  
TA = +25°C  
200  
275  
260  
300  
Enable Turn-On-Time(3)  
tON(EN)  
TA = TMIN to TMAX  
TA = +25°C  
210  
1.5  
Enable Turn-Off-Time(3)  
Charge Injection (3)  
tOFF(EN)  
TA = TMIN to TMAX  
CL = Inf, VNO = 0V,  
Figure 5  
VCTE  
TA = +25°C  
4.5  
pC  
V
Supply  
Power-Supply Range  
Positive Supply Current  
Negative Supply Current  
V+  
I+  
2.7  
–1.0  
–1.0  
16  
1.0  
1.0  
V
EN = VA = 0V ,V+, V+ = 5.5V, V– = 0V  
0.06  
0.08  
I–  
VEN = VA = 0V ,V+, V+ = 5.5V, V– = 0V  
µA  
TA = +25°C  
–1.0  
–1.0  
0.08  
1.0  
1.0  
VEN = V+ ,0V; V+, VA = 5.5V,  
V– = 0V  
Ground Supply Current  
IGND  
TA = TMIN to TMAX  
PXXXX  
02/16/01  
7
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel,Analog Multiplexers  
ElectricalCharacteristics—Single+3.3VSupply  
(V+ = 3.0V to 3.6V, GND = 0V, V = 2.4V, V = 0.8V, T = T to T , unless otherwise noted.)  
INH  
INL  
A
Min  
Max  
Temperature  
Range  
Parameter  
Symbol  
Conditions  
Min.(2) Typ.(2) Max.(2) Units  
Switch  
Analog Signal Range  
VANALOG (note 3)  
V–  
V+  
V
TA = +25°C  
200  
250  
INO = 1mA, VCOM = 1.5V,  
V+ = 3V  
On-Resistance  
Dynamic  
RON  
Ohm  
TA = TMIN to TMAX  
TA = +25°C  
230  
575  
750  
VIN = 2.4V, VNO1 = 1.5V,  
VNO8 = 0V, Figure 2  
Transition Time(3)  
tTRANS  
TA = TMIN to TMAX  
VINH = 2.4V, VINL = 0V,  
VNO1 = 1.5V, Figure 3  
ns  
Enable Turn-On-Time(3)  
Enable Turn-Off-Time(3)  
tON(EN)  
tOFF(EN)  
VCTE  
TA = +25°C  
TA = +25°C  
TA = +25°C  
260  
135  
1
500  
400  
4.5  
VINH = 2.4V, VINL = 0V,  
VNO1 = 1.5V, Figure 3  
CL = 1.0nF, VGEN = 0V,  
RGEN = 0 Ohm Figure 6  
Charge Injection (3)  
pC  
Notes:  
2. The algebraic covention, where the most negative value is a minimum and the most positive value a maximum,  
is used in this data sheet.  
3. Guaranteed by design  
4. R = R  
– R  
ON(MIN)  
ON  
ON(MAX)  
5. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured  
over the specified analog signal ranges. i.e., V = 3V to 0V and 0V to –3V.  
NO  
6. Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at +25°C.  
6. See Figure 6. Off isolation = 20log  
V
/V or V , V  
= output, V or = input to off switch  
10 COM NC  
NO COM NC NO  
7. Worst-case isolation is on channel 4 because of its proximity to the COM pin. Off-isolation - 20log V  
,
COM/VNO  
V
COM  
= output, V = input to off switch.  
NO  
8. Leakage testing at single supply is guaranteed by correlation testing with dual supplies.  
PXXXX 02/16/01  
8
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel, Analog Multiplexers  
TestCircuitsandTimingDiagrams  
+5V  
V+  
A0  
NO1  
NO2-NO15  
NO16  
+3V  
–3V  
A1 PS396A  
t
t
<20ns  
<20ns  
R
F
A2  
50  
A3  
3V  
0V  
Logic  
Input  
50%  
2.4V  
V
EN  
COM  
V–  
OUT  
GND  
35pF  
VS  
1
330Ω  
90%  
–5V  
Switch  
Output  
VO  
0V  
+5V  
V+  
VS  
8
90%  
A0  
A1  
A2  
NO1B  
+3V  
–3V  
t
t
TRANS  
NO1A-NO8A,  
COMA  
TRANS  
50Ω  
S
ON  
S
ON  
16  
1
NO8A  
PS397A  
2.4V  
EN  
COMB  
V
OUT  
GND  
V–  
35pF  
330Ω  
–5V  
Figure2.TransitionTime  
+5V  
V+  
V
EN  
EN  
NO1  
+3V  
t
t
<20ns  
<20ns  
R
F
A0  
A1  
A2  
A3  
NO2-NO16  
50  
3V  
Logic  
Input  
50%  
0V  
V
COM  
V–  
OUT  
tS  
tS  
OFF(EN)  
ON(EN)  
0V  
GND  
35pF  
1000Ω  
–5V  
+5V  
V+  
Switch  
Output  
VO  
90%  
V
0
V
EN  
EN  
NO1B  
+3V  
NO1A-NO8A,  
NO2B-NO8B,  
COMA  
50Ω  
A0  
A1  
A2  
COMB  
V–  
V
OUT  
GND  
35pF  
1000Ω  
–5V  
Figure3.EnableSwitchingTime  
PXXXX  
02/16/01  
9
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel,Analog Multiplexers  
TestCircuitsandTimingDiagrams(continued)  
+5V  
V+  
t
t
< 20ns  
< 20ns  
R
F
3V  
+2.4V  
EN  
Logic  
Input  
50%  
0V  
VS  
NO1-NO16  
+3V  
A0  
A1  
A2  
A3  
80%  
V
COM  
V–  
OUT  
Switch  
Output  
VO  
GND  
35pF  
50  
330Ω  
0V  
t
OPEN  
–5V  
Figure4.Break-Before-MakeInterval  
+5V  
+3V  
Logic  
Input  
V+  
OFF  
ON  
OFF  
NO1-NO16  
EN  
0V  
V
S
A0  
V
OUT  
COM  
VOUT  
A1  
Channel  
Select  
VOUT  
C
= 100pF  
A2  
L
A3  
GND  
V–  
VOUT is the measured Voltage due to charge transfer  
error Q when the channel turns off.  
–5V  
VCTE = C  
= VOUT  
L
Figure5.ChargeInjection(V  
)
CTE  
+5V  
V+  
+5V  
V+  
V
OUT  
10nF  
10nF  
NO1  
NO2  
V
IN  
V
NO1  
IN  
R
= 50  
S
R = 1kΩ  
NO16  
NO16  
A0  
A1  
A2  
A3  
COM  
V
COM  
A0  
A1  
A2  
A3  
OUT  
R
= 1k  
R
= 1k  
L
L
EN  
GND  
V–  
EN  
GND  
V–  
–5V  
V
–5V  
V
OUT  
OUT  
Crosstalk = 20log  
Off-isolation = 20log  
V
V
IN  
IN  
Note: Similar Connection Applies for PS397A  
Note: Similar Connection Applies for PS397A  
Figure 7. Cross Talk (V  
)
CT  
Figure6.Off-Isolation(V  
)
ISO  
PXXXX  
02/16/01  
10  
ADVANCE INFORMATION  
PS396A/PS397A  
Low ON-Resistance, 16-Channel/  
Dual 8-Channel, Analog Multiplexers  
+5V  
V+  
A3  
A2  
A1  
A0  
NO1  
METER  
Channel  
Select  
NO16  
IMPEDANCE  
ANALYZER  
COM  
f = 1MHz  
EN  
GND  
V–  
–5V  
Note: Similar Connection Applies for PS397A  
Figure8.NO/COMCapacitance  
OrderingInformation  
Part Number  
PS396ACPI  
PS396ACWI  
PS396ACAI  
PS396AEPI  
PS396AEWI  
PS397ACPI  
PS397ACWI  
PS397ACAI  
PS397AEPI  
PS397AEWI  
Temperature Range  
Pin - Package  
28-pin Plastic DIP  
28-pin Wide SO  
28-pin SSOP  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
–40°C to +85°C  
–40°C to +85°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
–40°C to +85°C  
–40°C to +85°C  
28-pin Plastic DIP  
28-pin Wide SO  
28-pin Plastic DIP  
28-pin Wide SO  
28-pin SSOP  
28-pin Plastic DIP  
28-pin Wide SO  
PericomSemiconductorCorporation  
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com  
PXXXX  
02/16/01  
11  

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