3
LTC1594/LTC1598
15948fb
CONVERTER AND MULTIPLEXER CHARACTERISTICS
U
W
U
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
12
Bits
Integral Linearity Error
(Note 6)
●
±3
±3LSB
Differential Linearity Error
●
± 3/4
±1LSB
Offset Error
●
±3
±3LSB
Gain Error
●
±8
±8LSB
REF Input Range
(Notes 7, 8)
1.5V to VCC + 0.05V
V
Analog Input Range
(Notes 7, 8)
– 0.05V to VCC + 0.05V
V
MUX Channel Input Leakage Current
Off Channel
●
±200
nA
MUXOUT Leakage Current
Off Channel
●
±200
nA
ADCIN Input Leakage Current
(Note 9)
●
±1
μA
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D)
Signal-to-Noise Plus Distortion Ratio
1kHz Input Signal
71
dB
THD
Total Harmonic Distortion (Up to 5th Harmonic)
1kHz Input Signal
– 78
dB
SFDR
Spurious-Free Dynamic Range
1kHz Input Signal
80
dB
Peak Harmonic or Spurious Noise
1kHz Input Signal
– 80
dB
DYNAMIC ACCURACY
U
W
DIGITAL AND DC ELECTRICAL CHARACTERISTICS
U
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VCC = 5.25V
●
2.6
V
VIL
Low Level Input Voltage
VCC = 4.75V
●
0.8
V
IIH
High Level Input Current
VIN = VCC
●
2.5
μA
IIL
Low Level Input Current
VIN = 0V
●
– 2.5
μA
VOH
High Level Output Voltage
VCC = 4.75V, IO = – 10μA
●
4.0
4.64
V
VCC = 4.75V, IO = –360A
●
2.4
4.62
V
VOL
Low Level Output Voltage
VCC = 4.75V, IO = 1.6mA
●
0.4
V
IOZ
Hi-Z Output Leakage
CS = High
●
±3
μA
ISOURCE
Output Source Current
VOUT = 0V
– 25
mA
ISINK
Output Sink Current
VOUT = VCC
45
mA
RREF
Reference Input Resistance
CS = VIH
5000
M
Ω
CS = VIL
55
k
Ω
IREF
Reference Current
CS = VCC
●
0.001
2.5
μA
tCYC ≥ 760μs, fCLK ≤ 25kHz
90
μA
tCYC ≥ 60μs, fCLK ≤ 320kHz
●
90
140
μA
ICC
Supply Current
CS = VCC, CLK = VCC, DIN = VCC
●
0.001
±7
μA
tCYC ≥ 760μs, fCLK ≤ 25kHz
320
μA
tCYC ≥ 60μs, fCLK ≤ 320kHz
●
320
690
μA
(Note 5) fSMPL = 16.8kHz
LTC1594CS/LTC1598CG
LTC1594IS/LTC1598IG
The
● denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
The
● denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)