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