3
LTC1594L/LTC1598L
15948lfb
CONVERTER AND MULTIPLEXER CHARACTERISTICS
U
W
U
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
q
12
Bits
Integral Linearity Error
(Note 6)
q
±3
LSB
Differential Linearity Error
q
± 3/4
±1
LSB
Offset Error
q
±3
LSB
Gain Error
q
±8
LSB
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
q
±200
nA
MUXOUT Leakage Current
Off Channel
q
±200
nA
ADCIN Input Leakage Current
(Note 9)
q
±1
A
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D)
Signal-to-Noise Plus Distortion Ratio
1kHz Input Signal
68
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 = 3.6V
q
2.0
V
VIL
Low Level Input Voltage
VCC = 2.7V
q
0.8
V
IIH
High Level Input Current
VIN = VCC
q
2.5
A
IIL
Low Level Input Current
VIN = 0V
q
– 2.5
A
VOH
High Level Output Voltage
VCC = 2.7V, IO = 10A
q
2.4
2.64
V
VCC = 2.7V, IO = 360A
q
2.1
2.30
V
VOL
Low Level Output Voltage
VCC = 2.7V, IO = 400A
q
0.4
V
IOZ
Hi-Z Output Leakage
CS = High
q
±3
A
ISOURCE
Output Source Current
VOUT = 0V
– 10
mA
ISINK
Output Sink Current
VOUT = VCC
15
mA
RREF
Reference Input Resistance
CS = VIH
2700
M
CS = VIL
60
k
IREF
Reference Current
CS = VCC
q
0.001
2.5
A
tCYC ≥ 760s, fCLK ≤ 25kHz
50
A
tCYC ≥ 60s, fCLK ≤ 200kHz
q
50
70
A
ICC
Supply Current
CS = VCC, CLK = VCC, DIN = VCC
q
0.001
±5
A
tCYC ≥ 760s, fCLK ≤ 25kHz
160
A
tCYC ≥ 60s, fCLK ≤ 200kHz
q
160
400
A
LTC1594LCS/LTC1598LCG
LTC1594LIS/LTC1598LIG
The q denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
The q denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
TA = 25°C, fSMPL = 10.5kHz. (Note 5)