LTC201A/LTC202/LTC203
7
201a23fb
CCRR-Channel to Channel Crosstalk Test Circuit
OIRR-Off Isolation Test Circuit
In-Circuit ESD Test Circuit
Micropower, 4.5V to 15V Input,
Voltage Doubler Using the LTC203
V +
V –
0.1F
1.5k
15V
GND
S OR D
– 15V
PER MIL-STD-883C
METHOD 3015.2
ESD TESTER
LTC201A/
LTC202/
LTC203
± 4kV
100pF
ANY SOURCE OR DRAIN PIN
POWER APPLIED
OR OPEN CIRCUIT
LT201_202_203 AI07
SIGNAL
GENERATOR
VS = 2VP-P
VIN
IN1
IN2
RL
V +
V –
C
f = 100kHz
CHAN A
ANALYZER
CHAN B
1k
50
3V
0V
NC
NO
15V
VS1
VL
VD1
VS1
VD2
CCRR = 20 LOG
LT201_202_203 AI06
C = 0.001F//0.1F
CHIP CAPACITORS
GND
– 15V
3
NC
VD2
VS2
VIN
SIGNAL
GENERATOR
GND
VS
VS = 2VP-P
NX
VIN
VO
VD
VIN
RL
V +
V –
VD
15V
– 15V
C
f = 100kHz
CHAN A
ANALYZER
CHAN B
1k
LT201_202_203 AI05
3V
0V
OIRR = 20 LOG
NC
NO
C = 0.001F//0.1F
CHIP CAPACITORS
APPLICATIO S I FOR ATIO
WU
UU
LTC203
V +
V –
1F
10F
1000pF
1F
1M
330k
GND
S2
S1
S4
IN3
IN2
IN1
IN4
S3
D1
D3
D2
D4
VOUT = 2VIN
VIN
1/4 74C14
1N4148
14
VIN
ROUT
VOUT, NO LOAD
IQ
4.5V
8.988V(12mV Error)
29.96V(40mV Error)
15V
20A
1.2k
600
130A
LT201_202_203 AI08