ltc2258cuj-12 Linear Technology Corporation, ltc2258cuj-12 Datasheet - Page 4

• Manufacturer Part Number: ltc2258cuj-12
• Description: 12-bit, 65/40/2 5msps Ultralow Power 1.8v Adcs
• Manufacturer: Linear Technology Corporation

otherwise specifi cations are at T
SYMBOL PARAMETER
SNR
SFDR
S/(N+D)
LTC2258-12
LTC2257-12/LTC2256-12
ANALOG INPUT
DYNAMIC ACCURACY
INTERNAL REFERENCE CHARACTERISTICS
4
specifi cations are at T
SYMBOL PARAMETER
V
V
V
I
I
I
I
t
t
CMRR
BW-3B
full operating temperature range, otherwise specifi cations are at T
PARAMETER
V
V
V
V
V
V
V
INCM
IN1
IN2
IN3
AP
JITTER
IN
IN(CM)
SENSE
CM
CM
CM
REF
REF
REF
REF
Output Voltage
Output Temperature Drift
Output Resistance
Output Voltage
Output Temperature Drift
Output Resistance
Line Regulation
Analog Input Range (A
Analog Input Common Mode (A
External Voltage Reference Applied to SENSE External Reference Mode
Analog Input Common Mode Current
Analog Input Leakage Current
PAR/SER Input Leakage Current
SENSE Input Leakage Current
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Jitter
Analog Input Common Mode Rejection Ratio
Full-Power Bandwidth
Signal-to-Noise Ratio
Spurious Free Dynamic Range
2nd or 3rd Harmonic
Spurious Free Dynamic Range
4th Harmonic or Higher
Signal-to-Noise Plus
Distortion Ratio
A
= 25°C. (Note 5)
IN
+
A
– A
The
CONDITIONS
I
–600μA < I
I
–400μA < I
1.7V < V
= 25°C. A
OUT
OUT
IN
l
–
IN
= 0
= 0
CONDITIONS
5MHz Input
70MHz Input
140MHz Input
5MHz Input
70MHz Input
140MHz Input
5MHz Input
70MHz Input
140MHz Input
5MHz Input
70MHz Input
140MHz Input
)
+
denotes the specifi cations which apply over the full operating temperature range, otherwise
+ A
DD
The
OUT
OUT
IN
IN
< 1.9V
–
= –1dBFS. (Note 5)
)/2 Differential Analog Input (Note 8)
l
< 1mA
< 1mA
denotes the specifi cations which apply over the full operating temperature range,
CONDITIONS
1.7V < V
Per Pin, 125Msps
Per Pin, 105Msps
Per Pin, 80Msps
0 < A
0 < PAR/SER < V
0.625V < SENSE < 1.3V
Figure 6 Test Circuit
IN
+
, A
DD
IN
l
l
l
l
< 1.9V
–
< V
69.4
68.6
MIN
76
83
DD
DD
A
, No Encode
LTC2258-12
= 25°C. (Note 5)
71.1
70.8
91.7
91.5
81.1
98.5
99.1
98.3
70.9
70.3
0.5 • V
TYP
71
71
1.225
MIN
DD
The
MAX
– 25mV
l
l
l
l
l
l
l
denotes the specifi cations which apply over the
69.4
68.6
MIN
V
76
82
CM
0.625
LTC2257-12
MIN
– 100mV
–1
–3
–6
70.8
70.6
70.4
91.7
91.3
85.7
97.8
97.4
95.6
70.7
70.6
70.2
TYP
0.5 • V
1.250
TYP
±25
±25
0.6
4
7
DD
MAX
1 to 2
1.250
0.17
TYP
V
155
130
100
800
80
CM
0
MIN
69.1
68.8
79
85
0.5 • V
LTC2256-12
1.275
MAX
DD
V
70.5
69.7
91.9
95.4
89.8
98.3
98.4
88.1
70.4
69.8
69.5
TYP
70
CM
+ 25mV
1.300
MAX
+ 100mV
1
3
6
MAX
ppm/°C
ppm/°C
225812p
UNITS
UNITS
UNITS
ps
mV/V
MHz
V
RMS
P-P
μA
μA
μA
μA
μA
μA
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
Ω
Ω
V
V
V
V