ELECTRICAL CHARACTERISTICS (Continued)

Symb ol

Parameter

Test Cond ition s

Mi n.

Typ .

Max.

Un it

Input Impedance

f = 1KHz

for grou p A

for grou p B

1. 6

3. 2

2.7

4.5

4.5

8.5

K

Ω

K

Ω

Reverse Voltage Ratio

f = 1KHz

for grou p A

for grou p B

1.5

2

10

-4

10

-4

Small Signal Current

Gain

f = 1KHz

for grou p A

for grou p B

220

330

Output Admittance

f = 1KHz

for grou p A

for grou p B

18

30

30

60

µs

µs

∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 2%

BC857/BC858

3/5