
LTC1196/LTC1198
6
119698fb
DIGITAL AND DC ELECTRICAL CHARACTERISTICS The l denotes the specications which apply
over the full operating temperature range, otherwise specications are at TA = 25°C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ISOURCE
Output Source Current
VOUT = 0V
–10
mA
ISINK
Output Sink Current
VOUT = VCC
15
mA
IREF
Reference Current, LTC1196
CS = VCC
fSMPL = fSMPL(MAX)
l
0.001
0.25
3.0
0.5
μA
mA
ICC
Supply Current
CS = VCC = 3.3V, LTC1198 (Shutdown)
CS = VCC = 3.3V, LTC1196
fSMPL = fSMPL(MAX), LTC1196/LTC1198
l
0.001
1.5
2.0
3.0
4.5
6.0
μA
mA
DYNAMIC ACCURACY The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. VCC = 2.7V, VREF = 2.5V, fCLK = fCLK(MAX) as dened in Recommended Operating Conditions,
unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
LTC1196
TYP
MAX
MIN
LTC1198
TYP
MAX
UNITS
S/(N + D) Signal-to-Noise Plus Distortion
190kHz/380kHz Input Signal
47/45
dB
THD
Total Harmonic Distortion
190kHz/380kHz Input Signal
49/47
dB
Peak Harmonic or Spurious Noise
190kHz/380kHz Input Signal
53/46
dB
IMD
Intermodulation Distortion
fIN1 = 189.37kHz
fIN2 = 192.446kHz
51
dB
Full-Power Bandwidth
5
MHz
Full Linear Bandwidth [S/(N + D) > 44dB
0.5
MHz
AC CHARACTERISTICS The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. VCC = 2.7V, VREF = 2.5V, fCLK = fCLK(MAX) as dened in Recommended Operating Conditions,
unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
LTC1196-1
LTC1198-1
TYP
MAX
MIN
LTC1196-2
LTC1198-2
TYP
MAX
UNITS
tCONV
Conversion Time (See Figures 1, 2)
l
1.58
1.85
2.13
2.84
μs
fSMPL(MAX) Maximum Sampling Frequency
LTC1196
LTC1198
l
450
383
337
287
333
250
187
kHz
tdDO
Delay Time, CLK
↑ to DOUT Data Valid
CLOAD = 20pF
l
100
150
180
130
200
250
ns
tDIS
Delay Time CS
↑ to DOUT Hi-Z
l
110
220
120
250
ns
ten
Delay Time, CLK
↓ to DOUT Enabled
CLOAD = 20pF
l
80
130
100
200
ns
thDO
Time Output Data Remains Valid After
CLK
↑
CLOAD = 20pF
l
45
90
45
120
ns
tf
DOUT Fall Time
CLOAD = 20pF
l
10
30
15
40
ns
tr
DOUT Rise
CLOAD = 20pF
l
10
30
15
40
ns
CIN
Input Capacitance
Analog Input On Channel
Analog Input Off Channel
Digital Input
30
5
30
5
pF
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.