參數(shù)資料
型號: ISD1740A
廠商: WINBOND ELECTRONICS CORP
英文描述: RES 2K00 SM 1/8W F 0805C THKF 100PPM TR
中文描述: 多信息單芯片語音記錄
文件頁數(shù): 24/31頁
文件大?。?/td> 360K
代理商: ISD1740A
ISD1700A SERIES
- 24 -
10 ELECTRICAL CHARACTERISTICS
10.1
DC
P
ARAMETERS
PARAMETER
SYMBOL
MIN
TYP
[1]
MAX
UNITS
CONDITIONS
Supply Voltage
V
DD
2.4
5.5
V
Input Low Voltage
V
IL
V
SS
-0.3
0.3xV
DD
V
Input High Voltage
V
IH
0.7xV
DD
V
DD
V
I
OL
= 4.0 mA
[2]
I
OH
= -1.6 mA
[2]
Output Low Voltage
V
OL
V
SS
-0.3
0.3xV
DD
V
Output High Voltage
V
OH
0.7xV
DD
V
DD
V
Record Current
I
DD_Record
20
mA
Playback Current
I
DD_Playback
20
mA
Erase Current
I
DD_Erase
20
mA
V
DD
= 5.5 V, No load,
Sampling freq = 12 kHz
Standby Current
I
SB
0.5
1
μA
V
DD
= 5.5 V, T=25
°
C
[3] [4]
Input Leakage Current
I
ILPD1
±
1
μA
Force V
DD
Input Current Low
I
ILPD2
-3
-10
μA
Force V
SS
, others at Vcc
Preamp Input Impedance R
MIC+,
R
MIC-
7
k
Power-up AGC
AnaIn Input Impedance
R
AnaIn
42
k
Power-up
Peak-to-Peak
[5]
MIC Differential Input
V
IN1
15
300
mV
AnaIn Input Voltage
V
IN2
1
V
Peak-to-Peak
V
IN
= 15~300 mV, AGC =
4.7 μF, V
CC
= 2.4V~5.5V
Across both Speaker pins
V
DD
= 5.5 V
Gain from MIC to SP+/-
A
MSP
6
40
dB
Speaker Output Load
R
SPK
8
670
mW
313
mW
V
DD
= 4.4 V
117
mW
V
DD
= 3 V
Speaker Output Power
Pout
49
mW
V
DD
= 2.4 V
1Vp-p,
1 kHz sine
wave at
AnaIn. R
SPK
= 8
.
Speaker Output Voltage
V
OUT1
V
DD
V
R
SPK
= 8
(Speaker),
Typical buzzer
V
DD
=4.5 V, R
EXT
= 390
AUD
I
AUD
-3.0
mA
Total Harmonic Distortion
THD
1
%
15 mV
p-p 1 kHz sine wave,
Cmessage weighted
Notes:
[1]
Conditions: V
CC
= 4.5V, 8 kHz sampling frequency and T
A
= 25
°C
, unless otherwise stated.
LED output during Record operation.
V
CCA
, V
CCD
and V
CCP
are connected together. V
SSA
, V
SSP1,
V
SSP2
and V
SSD
are connected together.
[2]
[3]
[4]
REC
,
PLAY
,
FT
,
FWD
,
ERASE
,
VOL
and
RESET
must be at V
CCD
.
Balanced input signal applied between MIC+ and MIC- as shown in the applications example. Single-ended MIC+ or
MIC- input is recommended to be less than 100 mV p-p.
[5]
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