ISD1700 데이터 시트보기 (PDF) - Winbond

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ISD1700

Multi-Message Single-Chip Voice Record & Playback Devices

Winbond 

ISD1700 SERIES

9 ELECTRICAL CHARACTERISTICS

9.1 DC PARAMETERS

PARAMETER

SYMBOL

MIN

TYP [1]

MAX

UNITS

CONDITIONS

Supply Voltage

Input Low Voltage

Input High Voltage

Output Low Voltage

Output High Voltage

Record Current

Playback Current

Erase Current

Standby Current

Input Leakage Current

VDD

2.4

VIL

VSS-0.3

VIH

0.7xVDD

VOL

VSS-0.3

VOH

0.7xVDD

IDD_Record

20

IDD_Playback

20

IDD_Erase

20

ISB

1

IILPD1

5.5

V

0.3xVDD

V

VDD

V

0.3xVDD

V

IOL = 4.0 mA[2]

VDD

V

IOH = -1.6 mA[2]

mA VDD = 5.5 V, No load,

mA Sampling freq = 12 kHz

mA

10

µA

[3] [4]

±1

µA Force VDD

Input Current Low

IILPD2

-3

Preamp Input Impedance RMIC+,RMIC-

AnaIn Input Impedance RAnaIn

MIC Differential Input

VIN1

15

AnaIn Input Voltage

VIN2

Gain from MIC to SP+/- AMSP

6

Speaker Output Load

RSPK

8

AUX Output Load

RAux

5

Speaker Output Power Pout

-10

µA Force VSS , others at Vcc

7

kΩ Power-up AGC

42

kΩ When active

300

mV Peak-to-Peak[5]

1

V Peak-to-Peak

40

dB VIN = 15~300 mV, AGC =

4.7 µF, VCC = 2.4V~5.5V

Ω Across both Speaker pins

kΩ When active

670

mW VDD = 5.5 V 1Vp-p,

313

mW

VDD = 4.4 V

1 kHz sine

wave at

117

mW VDD= 3 V

AnaIn. RSPK

49

mW VDD= 2.4 V = 8 Ω.

Speaker Output Voltage VOUT1

VDD

V

RSPK = 8Ω (Speaker),

Typical buzzer

AUX Output Swing

AUX Output DC Level

AUD

Volume Output

VOUT2

VOUT3

IAUD

AVol

1

1.2

-3.0

0 to -28

V Peak-to-Peak

V When active

mA VDD =4.5 V, REXT= 390 Ω

dB 8 steps of 4dB each

reference to output

Total Harmonic Distortion THD

1

% 15 mV p-p 1 kHz sine

wave, Cmessage

weighted

Notes: [1]

[2]

[3]

Conditions: VCC = 4.5V, 8 kHz sampling frequency and TA = 25°C, unless otherwise stated.

LED output during Record operation.

VCCA, VCCD and VCCP are connected together. VSSA, VSSP1, VSSP2 and VSSD are connected together.

[4] REC , PLAY , FT , FWD , ERASE , VOL and RESET must be at VCCD.

[5] Balanced input signal applied between MIC+ and MIC- as shown in the applications example. Single-ended MIC+ or

MIC- input is recommended no more than 150 mV p-p.

- 14 -

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