Specifications

ESS Technology, Inc. SAM0025A-062397 89
ES1879 DATA SHEET
ELECTRICAL CHARACTERISTICS
PRELIMINARY
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratin
g
s
Thermal Characteristics
The ES1879 is designed to operate at case temperatures
of less than 78
°C
.
WARNING:
Stressing the device beyond the Absolute
Maximum Ratings may cause permanent damage. These
are stress ratings only. Operation beyond the Operating
Conditions is not recommended, and extended exposure
beyond the Operating Conditions may affect device
reliability.
Operatin
g
Conditions
Digital supply voltage 3.0 V to 5.50 V
Analog supply voltage 4.75 V to 5.25 V
DC Electrical Characteristics
Rating Symbol Value
Analog supply voltage range VDDA -0.3 to 7.0 V
Digital supply voltage range VDDD -0.3 to 7.0 V
Input voltage VIN -0.3 to 7.0 V
Operating temperature range TA 0 to 70 °C
Storage temperature range TSTG -50 to 125 °C
Table 30 Digital Characteristics
Symbol Parameter Min Typ Max Unit (conditions)
VIH1 Input high voltage: all inputs except XI 2.0 V VDDD = min
VIH2 Input high voltage: XI 3.0 V VDDD = min
VIL Input low voltage 0.8 V VDDD = max
VOL1 Output low voltage: all outputs except
D[7:0], IRQ(A-E), DRQ(A-C), XSC, XSD
0.4 V IOL = 4 mA,
VDDD = min
VOH1 Output high voltage: all outputs except
D[7:0], IRQ(A-E), DRQ(A-C), XSC, XSD
2.4 V IOH = -3 mA,
VDDD = max
VOL2 Output low voltage: D[7:0], IRQ(A-E), DRQ(A-D), XSC, XSD 0.4 V IOL = 16 mA,
VDDD = min
VOH2 Output high voltage: D[7:0], IRQ(A-E), DRQ(A-D), XSC, XSD 2.4 V IOH = -12 mA,
VDDD = max
VOL3 Output low voltage 0.4 V IOL = 0.8 mA
Table 31 Analog Characteristics
(VDDA = 5.0 V ± 5%; TA = 25 °C)
Pins Parameter Min Typ Max Units
CMR Reference voltage 2.25 volts
LINE_L, LINE_R,
AUXA_L, AUXA_R,
AUXB_L, AUXB_R,
MIC
Input impedance 30k 70k 100k Ω
CIN_L, CIN_R 35k 50k 65k Ω
FDXI 30k 70k 100k Ω
FOUT_L, FOUT_R Output impedance 3.5k 5k 6.5k Ω
AOUT_L,
AOUT_R max load for full-scale output range
10k 10k Ω
FDXO 5k 6.5k Ω