ISD1700 Datasheet, PDF (14/24 Pages) Winbond – Multi-Message Single-Chip Voice Record & Playback Devices

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
V_DD
2.4
V_IL
V_SS-0.3
V_IH
0.7xV_DD
V_OL
V_SS-0.3
V_OH
0.7xV_DD
I_{DD_Record}
20
I_{DD_Playback}
20
I_{DD_Erase}
20
I_SB
1
I_ILPD1
5.5
V
0.3xV_DD
V
V_DD
V
0.3xV_DD
V
I_OL = 4.0 mA^[2]
V_DD
V
I_OH = -1.6 mA^[2]
mA V_DD = 5.5 V, No load,
mA ^{Sampling freq = 12 kHz}
mA
10
µA
[3] [4]
±1
µA Force V_DD
Input Current Low
I_ILPD2
-3
Preamp Input Impedance R_MIC+,R_MIC-
AnaIn Input Impedance R_AnaIn
MIC Differential Input
V_IN1
15
AnaIn Input Voltage
V_IN2
Gain from MIC to SP+/- A_MSP
6
Speaker Output Load
R_SPK
8
AUX Output Load
R_Aux
5
Speaker Output Power Pout
-10
µA Force V_SS , 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 V_IN = 15~300 mV, AGC =
4.7 µF, V_CC = 2.4V~5.5V
Ω Across both Speaker pins
kΩ When active
670
mW V_DD = 5.5 V 1Vp-p,
313
mW
V_DD = 4.4 V
1 kHz sine
wave at
117
mW V_DD= 3 V
AnaIn. R_SPK
49
mW V_DD= 2.4 V = 8 Ω.
Speaker Output Voltage V_OUT1
V_DD
V
R_SPK = 8Ω (Speaker),
Typical buzzer
AUX Output Swing
AUX Output DC Level
AUD
Volume Output
V_OUT2
V_OUT3
I_AUD
A_Vol
1
1.2
-3.0
0 to -28
V Peak-to-Peak
V When active
mA V_DD =4.5 V, R_EXT= 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.
V_CCA, V_CCD and V_CCP are connected together. V_SSA, V_SSP1, V_SSP2 and V_SSD 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.
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