Keithley 3730

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
www.keithley.com
Specifications are subject to change without notice.
SPEC-3722 Rev. A / September 2007 Page 1 of 3
Model 3722
Dual 1x48, High Density Multiplexer Specifications
96 differential channels, 300V Volts/1 Amp
MULTIPLEXER CONFIGURATION: Two independent 1x 48 2-pole Multiplexers. Banks can be connected together
via relays creating a single 1 x 96 Multiplexer. Banks can be isolated from the backplane by relays. Card can be
configured for 2 and 4 wire mode.
CONTACT CONFIGURATION: 2 pole form A.
CONNECTOR TYPE: Two 104 pin female D-shells.
MAXIMUM SIGNAL LEVEL: 300V DC or RMS, 1A switched (2A carry), 60W, 125VA.
COMMON MODE VOLTAGE: 300V DC or RMS between any terminal and chassis.
VOLT-HERTZ LIMIT: 8x10
7
CONTACT LIFE: > 10
5
operations at max signal level.
> 10
8
operations no load.
1
Dual 1x48
2
Single 1x96
Channel Resistance
(end of contact life)
<1.5  <2.5
Contact Potential
(differential)
<±1 V <± 2V
Offset Current <100pA <100pA
Isolation
Differential 5x10
9
,200pF 5x10
9
,400pF
Bank-Bank 10
9
,50pF 
CH –CH 10
9
,50pF 10
9
,50pF
Common mode 10
10
,200pF 10
10
,400pF
Crosstalk CH-CH
300KHz:
1MHz:
20MHz:
<-65dB
<-55dB
<-30dB
<-65dB
<-55dB
<-30dB
Bandwidth 25MHz 15MHz
1
Minimum signal level 10mV,10uA
2
3706 mainframe with all DMM backplane relays disconnected. Maximum two card backplane relays closed.