Philips Semiconductors
Signal-sources switch
Product specification
TDA1029
Control inputs (pins 11, 12 and 13)
Required voltage
HIGH
LOW
Input current
HIGH (leakage current)
LOW (control current)
Notes
1. V10-16 is typically 0,5 ⋅ V14-16 + 1,5 ⋅ VBE.
2. Or control inputs open (R11,12,13−16 > 33 MΩ).
VSH
>
VSL
<
ISH
<
−ISL
<
3,3 V(2)
2,1 V
1 µA
250 µA
APPLICATION INFORMATION
VP = 20 V; Tamb = 25 °C; measured in Fig.1; RS = 47 kΩ; Ci = 0,1 µF; Rbias = 470 kΩ; RL = 47 kΩ;
CL = 100 pF (unless otherwise specified)
Voltage gain
Output voltage variation when switching
the inputs
Gv
typ.
typ.
∆V9−16; ∆V15−16
<
Total harmonic distortion
over most of signal range (see Fig.4)
Vi = 5 V; f = 1 kHz
Vi = 5 V; f = 20 Hz to 20 kHz
Output signal handling
dtot
typ.
dtot
typ.
dtot
typ.
dtot = 0,1%; f = 1 kHz (r.m.s. value)
>
Vo(rms)
typ.
Noise output voltage (unweighted)
f = 20 Hz to 20 kHz (r.m.s. value)
Noise output voltage (weighted)
Vn(rms)
typ.
f = 20 Hz to 20 kHz (in accordance with DIN 45405)
Vn
typ.
Amplitude response
Vi = 5 V; f = 20 Hz to 20 kHz; Ci = 0,22 µF
Crosswalk between a switched-on input
∆V9-16; ∆V15-16
<
and a non-switched-on input;
measured at the output at f = 1 kHz
α
typ.
Crosswalk between switched-on inputs
and the outputs of the other channels
α
typ.
−1,5 dB
10 mV
100 mV
0,01 %
0,02 %
0,03 %
5,0 V
5,3 V
5 µV
12 µV
0,1 dB(1)
75 dB(2)
90 dB(2)
Notes
1. The lower cut-off frequency depends on values of Rbias and Ci.
2. Depends on external circuitry and RS. The value will be fixed mostly by capacitive crosstalk of the external
components.
January 1980
6