bh7779k ROHM Co. Ltd., bh7779k Datasheet - Page 9

• Manufacturer Part Number: bh7779k
• Description: Audio Signal Processing System
• Manufacturer: ROHM Co. Ltd.

•
• Unless otherwise noted, the following measurement conditions apply:
• Output switch control (W1D2, W1D3 and W1D4)
• BS through control (W3D7)
• LINE AMP gain (W2D1 and W2D2)
• FM output control (W4D1)
• FM OUT switch control (W4D2, W4D3 and W4D4)
• NTSC / PAL control (W2D6)
• Recording mute (W1D6)
• SP / EP control (W1D7)
• FM detector level control (W2D3, W2D4)
• ENVE characteristic control (W2D5)
• FM TEST control (W4D5)
• FM ALC control (W4D6)
• MUTE CTRL (pin 6)
UNREG – V
UNREG – V
Ta = 25°C
Signal frequency f = 1kHz
MODEM carrier frequency NTSC Lch 1.30MHz
MODEM carrier frequency NTSC Rch 1.70MHz
MODEM carrier frequency PAL
MODEM carrier frequency PAL
Quiescent current (positive supply) EE
Quiescent current (positive supply) PB
Quiescent current (negative supply) EE
Quiescent current (negative supply) PB
Regulator input voltage ( + )
Regulator input voltage ( – )
Video ICs
REGULATOR
Electrical characteristics
With regard to the control voltages, refer to the mode holding voltage range given in p. 185.
1 B.W. = 0.4 to 30kHz
2 DIN AUDIO
Refer to Fig. 1 for the measurement circuit.
Parameter
CC
EE
= – 10V
= + 10V
Lch 1.4MHz
Rch 1.8MHz
Symbol
I
I
I
I
qM EE
qM PB
V
qp EE
qp PB
V
CC
EE
– 20.1 – 15.1 – 11.3
– 21.6 – 16.2 – 12.1
– 5.37
Min.
26.0
36.4
4.69
– 5.02
Typ.
34.7
48.6
5.04
: STEREO
: OFF
: Standard ( + 10.3dB)
: FM output on
: FM REC output MIX ration ( – 13.5dB)
: NTSC
: recording MUTE
: SP
: standard
: FNORM detector, no ENVE output
: OFF
: ALC ON
: L (MUTE)
– 4.67
Max.
46.3
64.8
5.39
Unit
mA
mA
mA
mA
V
V
EE mode, no input, standard carrier
adjustment resistor.
PB mode, no input, FNORM, BPE, standard
carrier adjustment resistor.
EE mode, no input, standard carrier
adjustment resistor.
PB mode, no input, FNORM, BPE, standard
carrier adjustment resistor.
Conditions
—
—
BH7779K
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