Analog output characteristics, Cs5373a – Cirrus Logic CS5373A User Manual
Page 7
CS5373A
DS703F2
7
ANALOG OUTPUT CHARACTERISTICS
Notes: 10. Guaranteed by design and/or characterization.
11. Load on the precision OUT± outputs is normally from a CS3301A/02A amplifier, which has 2 G
Ω/1 TΩ
typical input impedance and 18 pF typical input capacitance.
12. Single-ended output impedance at 1/64 is different for BUF+ and BUF- due to the output attenuator
architecture.
Parameter
Symbol Min Typ
Max
Unit
DAC Analog OUT±
Output
Analog External Load at OUT
±
Load Resistance
Load Capacitance
R
LOUT
C
LOUT
50
-
-
-
-
50
M
Ω
pF
Differential Output Impedance
1/1
1/2
1/4
1/8
1/16
1/32
1/64
ZDIF
OUT
-
-
-
-
-
-
-
1.4
10.1
7.9
5.1
3.3
2.3
1.7
-
-
-
-
-
-
-
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
Single-ended Output Impedance
1/1
1/2
1/4
1/8
1/16
1/32
1/64
ZSE
OUT
-
-
-
-
-
-
-
0.8
7.4
9.0
9.4
9.5
9.5
9.2
-
-
-
-
-
-
-
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
k
Ω
High-Z Impedance
HZ
OUT
-
3
-
M
Ω
Crosstalk to BUF
±
High-Z Output
XT
OUT
-
-120
-
dB
DAC Analog BUF± Output
Analog External Load at BUF
±
Load Resistance
)
Load Capacitance
R
LBUF
C
LBUF
1
-
-
-
-
2
k
Ω
nF
Differential Output Impedance
1/1 - 1/64
ZDIF
BUF
-
6
-
Ω
Single-ended Output Impedance
1/1 - 1/32
) (BUF-) 1/64
(
) (BUF+) 1/64
ZSE
BUF
-
-
-
4
4
100
-
-
-
Ω
High-Z Impedance
HZ
BUF
-
4.5
-
M
Ω
Crosstalk to OUT
±
High-Z Output
XT
BUF
-
-120
-
dB