CA3045, CA3046
Electrical Specifications TA = 25oC, characteristics apply for each transistor in CA3045 and CA3046 as specified (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
Open Circuit Output Impedance (Figure 11)
Open Circuit Reverse Voltage Transfer Ratio
(Figure 11)
hOE
f = 1kHz, VCE = 3V, IC = 1mA
hRE
f = 1kHz, VCE = 3V, IC = 1mA
-
15.6
-
-
1.8 x 10-4
-
Admittance Characteristics
Forward Transfer Admittance (Figure 12)
Input Admittance (Figure 13)
Output Admittance (Figure 14)
Reverse Transfer Admittance (Figure 15)
Gain Bandwidth Product (Figure 16)
Emitter-to-Base Capacitance
Collector-to-Base Capacitance
Collector-to-Substrate Capacitance
NOTE:
YFE
YIE
YOE
YRE
fT
CEB
CCB
CCI
f = 1kHz, VCE = 3V, IC = 1mA
f = 1kHz, VCE = 3V, IC = 1mA
f = 1kHz, VCE = 3V, IC = 1mA
f = 1kHz, VCE = 3V, IC = 1mA
VCE = 3V, IC = 3mA
VEB = 3V, IE = 0
VCB = 3V, IC = 0
VCS = 3V, IC = 0
-
31 - j1.5
-
-
0.3 + j0.04
-
-
0.001 + j0.03
-
-
See Fig. 14
-
300
550
-
-
0.6
-
-
0.58
-
-
2.8
-
3. Actual forcing current is via the emitter for this test.
UNITS
µS
-
-
-
-
-
MHz
pF
pF
pF
Typical Performance Curves
102
IE = 0
10
1
10-1
VCB = 15V
VCB = 10V
VCB = 5V
103 IB = 0
102
10
1
VCE = 10V
VCE = 5V
10-2
10-3
10-1
10-2
10-4
0
25
50
75
100
125
TEMPERATURE (oC)
FIGURE 1. TYPICAL COLLECTOR-TO-BASE CUTOFF CURRENT
vs TEMPERATURE FOR EACH TRANSISTOR
120
VCE = 3V
110 TA = 25oC
100
90
80
70
1.1
hFE
1.0
h----F----E---1-- OR h----F----E---2--
hFE2 hFE1
0.9
10-3
0
25
50
75
100
125
TEMPERATURE (oC)
FIGURE 2. TYPICAL COLLECTOR-TO-EMITTER CUTOFF
CURRENT vs TEMPERATURE FOR EACH
TRANSISTOR
10
VCE = 3V
TA = 25oC
1.0
0.1
60
0.8
50
0.01
0.1
1.0
10
EMITTER CURRENT (mA)
FIGURE 3. TYPICAL STATIC FORWARD CURRENT TRANSFER
RATIO AND BETA RATIO FOR Q1 AND Q2 vs
EMITTER CURRENT
0.01
0.01
0.1
1.0
10
COLLECTOR CURRENT (mA)
FIGURE 4. TYPICAL INPUT OFFSET CURRENT FOR
MATCHED TRANSISTOR PAIR Q1Q2 vs
COLLECTOR CURRENT
3