Rm And Hid Control Signals; Reference Current Resistor - Philips TDA9605H Datasheet

Philips Semiconductors
Audio processor with head amplifier for VHS hi-fi
14.1

RM and HID control signals

To assure proper input conditions on pin RMHID the RM and HID control signals (see Fig.15) should satisfy the
requirements given in Table 39.
handbook, full pagewidth
RM
HID
Table 39 Conditions of RM and HID input signal
SIGNAL
CONDITIONS
HID LOW
HIGH
RM grounded
14.2

Reference current resistor

The requirements for the reference current resistor on pin 28 are:
R = 39 k 2%
Temperature coefficient = 50 ppm/ C.
1999 Apr 14
TDA9605H
10 k (5 %)
RMHID
41
18 k (5 %)
a. HID input only.
Fig.15 RMHID input.
HID INPUT SIGNAL ONLY
MIN.
0 V
3 V
10 k (5 %)
RM
HID
18 k (5 %)
b. HID and RM input.
HID AND RM INPUT SIGNALS
MAX. CONDITIONS
1.5 V LOW
5.5 V HIGH
LOW
HIGH
40
Product specification
TDA9605H
TDA9605H
RMHID
41
MGR840
MIN.
0 V
4.3 V
0 V
4.3 V
MAX.
0.4 V
5.5 V
0.4 V
5.5 V