LTC2309 Linear Technology Corporation, LTC2309 Datasheet - Page 3

• Manufacturer Part Number: LTC2309
• Description: 12-Bit SAR ADC
• Manufacturer: Linear Technology Corporation

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CONVERTER AND MULTIPLEXER CHARACTERISTICS
ANALOG INPUT
DYNAMIC ACCURACY
which apply over the full operating temperature range, otherwise specifi cations are at T
otherwise specifi cations are at T
SYMBOL
SINAD
SNR
THD
SFDR
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Bipolar Zero Error
Bipolar Zero Error Drift
Bipolar Zero Error Match
Unipolar Zero Error
Unipolar Zero Error Drift
Unipolar Zero Error Match
Bipolar Full-Scale Error
Bipolar Full-Scale Error Drift
Bipolar Full-Scale Error Match
Unipolar Full-Scale Error
Unipolar Full-Scale Error Drift
Unipolar Full-Scale Error Match
specifi cations are at T
SYMBOL
V
V
V
I
C
CMRR
IN
IN
IN
IN
IN
+
–
+
– V
IN
–
PARAMETER
Absolute Input Range (CH0 to CH7)
Absolute Input Range (CH0 to CH7, COM) Unipolar (Note 9)
Input Differential Voltage Range
Analog Input Leakage Current
Analog Input Capacitance
Input Common Mode Rejection Ratio
PARAMETER
Signal-to-(Noise + Distortion) Ratio
Signal-to-Noise Ratio
Total Harmonic Distortion
Spurious Free Dynamic Range
Channel-to-Channel Isolation
Full Linear Bandwidth
–3dB Input Linear Bandwidth
Aperature Delay
Transient Response
A
= 25°C. (Note 4)
A
The
= 25°C. A
l
denotes the specifi cations which apply over the full operating temperature range, otherwise
The
IN
= –1dBFS. (Notes 4, 10)
l
CONDITIONS
(Note 6)
(Note 7)
(Note 7)
External Reference (Note 8)
REFCOMP = 4.096V
External Reference
External Reference (Note 8)
REFCOMP = 4.096V
External Reference
denotes the specifi cations which apply over the full operating temperature range,
CONDITIONS
(Note 9)
Bipolar (Note 9)
V
V
Sample Mode
Hold Mode
CONDITIONS
f
f
f
f
f
(Note 11)
Full-Scale Step
IN
IN
IN
IN
IN
IN
IN
= 1kHz
= 1kHz
= 1kHz, First 5 Harmonics
= 1kHz
= 1kHz
= V
= V
IN
IN
+
+
– V
– V
IN
IN
–
–
(Unipolar)
(Bipolar)
l
l
l
l
l
l
l
l
l
l
A
= 25°C. (Notes 4, 5)
–0.05
–0.05
–0.05
MIN
MIN
71
71
79
l
l
l
l
l
l
l
l
l
The
0 to REFCOMP
±REFCOMP/2
l
MIN
12
denotes the specifi cations
–109
73.3
73.4
TYP
TYP
–88
700
240
90
25
13
55
70
5
±0.45
±0.35
0.002
0.002
±0.1
±0.4
±0.2
±0.5
±0.4
0.05
±0.4
±0.4
±0.3
0.05
±0.3
TYP
±1
LTC2309
AV
AV
AV
MAX
MAX
–77
±1
DD
MAX
DD
DD
±10
±10
±1
±1
±8
±3
±6
±1
±9
±3
±6
±2
/2
LSB/°C
LSB/°C
LSB/°C
LSB/°C
UNITS
UNITS
UNITS
3
MHz
2309f
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
μA
dB
dB
dB
dB
dB
dB
ns
ns
pF
pF
V
V
V
V
V