ISD1700 SERIES
9 ELECTRICAL CHARACTERISTICS
9.1 DC PARAMETERS
PARAMETER
Supply Voltage
SYMBOL
VDD
MIN
2.4
TYP [1]
MAX
5.5
UNITS
V
CONDITIONS
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Record Current
Playback Current
Erase Current
Standby Current
Input Leakage Current
Input Current Low
VIL
VIH
VOL
VOH
IDD_Record
IDD_Playback
IDD_Erase
ISB
VSS-0.3
0.7xVDD
VSS-0.3
0.7xVDD
0.3xVDD
VDD
0.3xVDD
VDD
V
V
V
V
IOL = 4.0 mA[2]
IOH = -1.6 mA[2]
VDD = 5.5 V, No load,
20
20
20
1
mA
mA
mA
µA
µA
µA
kꢀ
kꢀ
mV
V
Sampling freq = 12 kHz
[3] [4]
10
±1
-10
IILPD1
Force VDD
IILPD2
-3
Force VSS , others at Vcc
Power-up AGC
When active
Preamp Input Impedance RMIC+,RMIC-
7
42
AnaIn Input Impedance
MIC Differential Input
AnaIn Input Voltage
RAnaIn
VIN1
VIN2
15
6
300
1
40
Peak-to-Peak[5]
Peak-to-Peak
Gain from MIC to SP+/-
AMSP
dB
VIN = 15~300 mV, AGC =
4.7 µF, VCC = 2.4V~5.5V
Speaker Output Load
AUX Output Load
Speaker Output Power
RSPK
RAux
Pout
8
5
ꢀ
kꢀ
Across both Speaker pins
When active
1Vp-p,
1 kHz sine
wave at
AnaIn. RSPK
= 8 ꢀ.
670
313
117
49
mW
mW
mW
mW
V
VDD = 5.5 V
VDD = 4.4 V
VDD= 3 V
VDD= 2.4 V
Speaker Output Voltage
VOUT1
VDD
RSPK = 8ꢀ (Speaker),
Typical buzzer
AUX Output Swing
AUX Output DC Level
AUD
VOUT2
VOUT3
IAUD
1
V
V
mA
dB
Peak-to-Peak
When active
VDD =4.5 V, REXT= 390 ꢀ
8 steps of 4dB each
reference to output
1.2
-3.0
0 to -28
Volume Output
AVol
Total Harmonic Distortion THD
1
%
15 mV p-p 1 kHz sine
wave, Cmessage
weighted
[1]
Notes:
Conditions: VCC = 4.5V, 8 kHz sampling frequency and TA = 25°C, unless otherwise stated.
LED output during Record operation.
[2]
[3]
VCCA, VCCD and VCCP are connected together. VSSA, VSSP1, VSSP2 and VSSD are connected together.
[4]
[5]
REC , PLAY , FT , FWD , ERASE , VOL and RESET must be at VCCD
.
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 -
WINBOND [ WINBOND ]
