BH7760KV Rohm Semiconductor, BH7760KV Datasheet

IC I/O INTERFACE ANALOG VQFP48C

BH7760KV

Manufacturer Part Number
BH7760KV
Description
IC I/O INTERFACE ANALOG VQFP48C
Manufacturer
Rohm Semiconductor
Datasheet

Specifications of BH7760KV

Applications
*
Mounting Type
Surface Mount
Package / Case
48-TQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The BH7760KV contains the complete audio I / O analog block on a single-chip IC. Therefore, all necessary func-
tions for a DVC audio analog I / O interface are provided on one chip.
Portable audio applications
1) Contains the input amplifier, wind noise deletion fil-
Power supply voltage (analog system)
Power supply voltage (for SP)
Power supply voltage (digital system)
Applied voltage
Power dissipation
Operating temperature
Storage temperature
Applications
Features
Absolute maximum ratings (Ta = 25°C)
Recommended operating conditions (Ta = 25°C)
Reduced by 9.0mW for each increase in Ta of 1 C over 25 C with the IC unmounted.
When mounted on a 70mm 70mm 1.6mm glass epoxy board.
Not designed for radiation resistance.
Analog signal I / O interface for
portable audio applications
BH7760KV
Multimedia ICs
ter, ALC, 30kHz LPF, line amplifier, stereo head-
phone amplifier, and BTL monaural speaker amplifi-
er required to configure a analog signal I / O inter-
face (audio I / O) all on one chip.
Parameter
Parameter
Symbol
Topr
Tstg
V
Pd
CC
Symbol
SPVcc
AVcc
DVcc
– 10 ~ + 70
– 55 ~ + 125
+ 7.0
Limits
900
+ 4.0 ~ + 6.0
+ 4.0 ~ + 6.0
+ 2.7 ~ + 3.3
2) With the internal 3-line serial control decoder circuit,
Limits
serial control enables the setting of the various
modes for the IC.
Unit
mW
V
C
C
Unit
V
V
V
1

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BH7760KV Summary of contents

Page 1

... Multimedia ICs Analog signal interface for portable audio applications BH7760KV The BH7760KV contains the complete audio analog block on a single-chip IC. Therefore, all necessary func- tions for a DVC audio analog interface are provided on one chip. • Applications Portable audio applications • Features ...

Page 2

... SPAMP WIND CUT A INT WIND CUT AMP + 8.7dB AMP + 8.7dB ATT + ATT BIAS POWER ON / OFF MUTE GEN BH7760KV FADER 24 ALC FILTER + 21.3dB AMP ALC REC NFB REC NFB R REC OUT 21.3dB ALC AMP REC OUT R 20 LPF LPF DGND SERIAL DATA ...

Page 3

... CC PB input REC output ALC amplifier feedback ALC constant setting FADE delay FADE control input WIND CUT FILTER input WIND CUT FILTER constant 1 WIND CUT FILTER constant 2 BH7760KV Pin voltage Pin type 5.0V — 5.0V 100k PULL UP 0.0V — 2.5V B (NPN) 2 ...

Page 4

... OUTPUT: LINE OUT – 12.0 – 10.0 – 8.0 — 0.017 0.20 – 0.5 0.0 + 0.5 — – 90.0 – 73.0 BH7760KV Pin voltage 2.5V 2.5V 2.5V 5.0V 2.5V 2.5V — 2.5V 2.5V 2.5V = 5.0V 3.0V 25° ...

Page 5

... CC 0.0 — 0.5 2.0 — 0.0 — 0.5 2.0 — 0.0 — 0.5 2.0 — 0.0 — 0.5 2.0 — BH7760KV = 5.0V 3.0V 25°C) CC Unit Conditions dBV V = – 18.7dBV – 18.7dBV IN 1 dBV THD = 3% 2 dBV dBV V = – 8.7dBV IN 2 dBV V = – ...

Page 6

... SPAMP BIAS POWER SPAMP ON / OFF MUTE GEN 100 BIAS Fig.1 0.047 0.047 FADER 2. 21.3dB AMP ALC 4 21.3dB ALC AMP 20 LPF 19 LPF SERIAL DATA AVCC VREF 100 + 100 BH7760KV REC OUT L 1 22k REC OUT R 1 22k 100 DGND DATA IN CLK CS ...

Page 7

... Multimedia ICs • External dimensions (Units: mm) 9.0 0.3 7.0 0 0.5 0.2 0.1 0.1 VQFP48C 0.125 0.1 BH7760KV 7 ...

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