ISD1700 SERIES
9 ELECTRICAL CHARACTERISTICS
9.1 DC PARAMETERS
PARAMETER
Supply Voltage
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Record Current
SYMBOL
VDD
MIN
2.4
VSS-0.3
0.7xVDD
VSS-0.3
0.7xVDD
TYP [1]
MAX
5.5
0.3xVDD
VDD
0.3xVDD
VDD
UNITS
V
CONDITIONS
VIL
V
VIH
V
VOL
V
IOL = 4.0 mA[2]
IOH = -1.6 mA[2]
VOH
V
IDD_Record
IDD_Playback
IDD_Erase
ISB
20
20
20
1
mA
mA
mA
µA
µA
µA
kꢀ
kꢀ
mV
V
VDD = 5.5 V, No load,
Sampling freq = 12 kHz
Playback Current
Erase Current
[3] [4]
Standby Current
Input Leakage Current
Input Current Low
10
±1
-10
IILPD1
IILPD2
Force VDD
-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
AMSP
15
6
300
1
40
Peak-to-Peak[5]
Peak-to-Peak
Gain from MIC to SP+/-
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
ꢀ
Across both Speaker pins
When active
kꢀ
1Vp-p,
670
313
117
49
mW
mW
mW
mW
V
VDD = 5.5 V
VDD = 4.4 V
VDD= 3 V
1 kHz sine
wave at
AnaIn. RSPK
= 8 ꢀ.
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
1.2
-3.0
0 to -28
When active
VDD =4.5 V, REXT= 390 ꢀ
Volume Output
AVol
8 steps of 4dB each
reference to output
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.
VCCA, VCCD and VCCP are connected together. VSSA, VSSP1, VSSP2 and VSSD are connected together.
[2]
[3]
[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 ]
