ISD1964SYI Datasheet, PDF (22/29 Pages) List of Unclassifed Manufacturers – SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE

ISD1900
8. ELECTRICAL CHARACTERISTICS
7
8.1. DC PARAMETERS
18
PARAMETER
SYMBOL MIN^[2] TYP^[1] MAX^[2] UNITS
CONDITIONS
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Standby Current
Record Current
Playback Current
Pull-up device for ¯R¯E¯C¯, ¯P¯la¯y¯E¯,
¯P¯la¯y¯L¯, F¯¯T & M¯¯1 ~ M¯¯8 pins
V_IL
V_IH
V_OL
V_OH
I_STBY
I_REC
I_PLAY
R_PU1
0.3xVcc V
0.7xVcc
V
0.3xVcc
V
I_OL = 4.0 mA^[3]
0.7xVcc
V
I_OH = -1.6 mA^[3]
1
10
µA
[4] [5]
20
30
mA V_CC = 5.5V ^{[4] [5]}
20
30
mA V_CC = 5.5V, no load ^{[4] [5]}
600
kΩ
MIC+ Input Resistance
MIC- Input Resistance
AnaIn Input Resistance
MIC Differential Input
AnaIn Input
Gain from MIC to SP+/-
R_MICP
R_MICN
R_ANAIN
V_IN1
V_IN2
A_MSP
Gain from AnaIn to SP+/-
Output Load Impedance
Speaker Output Power
A_ASP
R_SPK
Pout
18
KΩ
18
KΩ
42
KΩ
15
300
mV Peak-to-peak
1
V Peak-to-peak
6
40
dB VIN = 15~300 mVp-p,
AGC = 4.7 µF,
V_CC = 2.4V~5.5V
0
dB VCC = 2.4V~5.5V
8
Ω Speaker load
670
mW VDD = 5.5 V 1Vp-p,
313
mW VDD = 4.4 V ^{1 kHz sine}
117
49
mW
mW
V_DD= 3 V
V_DD= 2.4 V
wave at
AnaIn. R_SPK
=8Ω
Speaker Output Voltage
V_OUT1
V_DD
V R_SPK = 8Ω Speaker,
Typical buzzer
Total Harmonic Distortion THD
1
% 15 mV p-p 1 kHz sine
wave, Cmessage
weighted
Notes: ^[1] Typical values @ V_CC = 5.5V, T_A = 25° and sampling frequency (Fs) at 8 kHz, unless stated.
[2] _{Not all specifications are 100 percent tested. All Min/Max limits are guaranteed by Nuvoton via design, electrical testing}
and/or characterization.
[3] _{LED output during recording.}
[4] _{VCCA, VCCD and VCCP are connected together. Also, VSSA, VSSD, VSSP1 and VSSP2 are linked together.}
[5] _{All required control pins must be at appropriate status. External components are biased under a separated power}
supply.
Publication Release Date: Jan 5, 2009
22
Revision 0.51