isd3800 Winbond Electronics Corp America, isd3800 Datasheet - Page 4

• Manufacturer Part Number: isd3800
• Description: Digital Chipcorder With Digital Audio Interface
• Manufacturer: Winbond Electronics Corp America

Oscillator
o
o
o
o
Inputs
o
Outputs
o
o
o
I/Os
o
o
o
8-bit Volume Control set by SPI command for flexible mixing
Operating Voltage: 2.7 ~ 5.5V
Standby Current: 1uA typical
Package:
Temperature Options:
o
Internal oscillator with internal reference: 2.048 MHz
Internal oscillator with external resistor: 2.048 MHz with Rosc = 80kohm
External crystal or clock input
I
Aux-in: Analog input with 2-bit gain control configured by SPI command
PWM: Class-D speaker driver to directly drive an 8 speaker or buzzer
Aux-out: an analog single-ended voltage output
Class
SPI interface: MISO, MOSI, SCLK, SSB for commands and digital audio data
I
8 GPIO pins:
o
Industrial: -40 C to 85 C
2
2
S bit clock input
S interface: I
Differential µ-Law: 6, 7 or 8 bits per sample
PCM: 8, 10 or 12 bits per sample
Enhanced ADPCM: 2, 3, 4 or 5 bits per sample
Variable-bit-rate optimized compression. This allows best possible compression given a
metric of SNR and background noise levels.
Green 48L-LQFP
-AB BTL: an analog differential voltage output
Crystals support standard audio sampling rates of 2.048, 4.096, 8.192, 12.288
and 11.2896MHz
Deliver 1-watt output power at
Deliver 1-watt output power at
Class-AB BTL can
Class-AB BTL can
4 GPIO pins share with I
4 GPIO pins share with SPI Interface
GPIO pins can trigger Voice Macro for a pushbutton application
2
S_CLK, I
2
S_WS, I
directly drive an 8
drive an 8
2
S_SDI, I
2
S
speaker or buzzer via an external amplifier
- 4 -
2
V
V
S_SDO for digital audio data
CCSPK
CCSPK
= 5V
= 5V
speaker or buzzer
Publication Release Date: Sep 22, 2010
ISD3800
Revision 0.60