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DM560P
V.90 Integrated Data/Fax/Voice/Speakerphone Modem Device Set
Preliminary
37
Version: DM560P-DS-P07
August 11, 2000
DM 6580 DC Electrical Characteristics (VDD = 5V, Tc = 0
o
C to 85
o
C) (continued)
RIN
Input Resistance RxIN
100
k
Ω
ROUT
Output Resistance TxA1, TxA2,
SPKR
12
k
Ω
RL
Load Resistance TxA1, TxA2,
SPKR
20
k
Ω
CL
Load Capacitance TxA1, TxA2,
SPKR
50
pF
DM6580 AC Characteristics (VDD = 5V, Tc= 0
o
C to 85
o
C)
Serial Port Timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
1
SCLK Period
49
ns
2
SCLK Low Width
24
ns
3
SCLK High Width
24
ns
4
SCLK Rise Time
5
ns
5
SCLK Fall Time
5
ns
6
FS To SCLK Setup
17
ns
7
FS To SCLK Hold
17
ns
8
DI To SCLK Setup
5
ns
9
DI To SCLK Hold
5
ns
10
SCLK High To DO Valid
8
ns
11
SCLK To DO Hiz
8
ns
1
23
4
5
6
7
89
First Bus
First Bus
Last Bus
Last Bus
Hiz
11
10
SCLK
FS
DI
DO
DM6580 Performance
(VDD= 5V, Tc= 0
o
C to 85
o
C , FQ= 20.16MHz, Measurement Band = 220Hz to 3.6KHz, RX DPLL Free Running)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
Gabs
Absolute Gain At 1KHz
-0.5
0.5
dB
RX signal: VIN= 2.5 VPP, f = 1KHz
THD
Total Harmonic Distortion
-84
dB
Tx signal: VOUT (diff)= 5 VPP, f = 1KHz
DR
Dynamic Range
86
dB
f = 1KHz
PSRR
Power Supply Rejection Ratio
50
dB
f = 1KHz, VAC = 200m VPP
CTxRx
Crosstalk
95
dB
Transmit channel to receive channel
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