LTC2247 Linear Technology, LTC2247 Datasheet - Page 2

• Manufacturer Part Number: LTC2247
• Description: (LTC2246 - LTC2248) 65/40/25Msps Low Power 3V ADCs
• Manufacturer: Linear Technology

www.datasheet4u.com
CO VERTER CHARACTERISTICS
ABSOLUTE AXI U RATI GS
LTC2248/LTC2247/LTC2246
OV
Supply Voltage (V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) ..... –0.3V to (V
Digital Input Voltage .................... –0.3V to (V
Digital Output Voltage ................ –0.3V to (OV
Power Dissipation ............................................ 1500mW
Operating Temperature Range
Storage Temperature Range ..................–65°C to 125°C
temperature range, otherwise specifications are at T
PARAMETER
Resolution
(No Missing Codes)
Integral
Linearity Error
Differential
Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
Transition Noise
2
DD
LTC2248C, LTC2247C, LTC2246C ........... 0°C to 70°C
LTC2248I, LTC2247I, LTC2246I ..........–40°C to 85°C
U
= V
DD
(Notes 1, 2)
W
DD
CONDITIONS
Differential Analog Input
(Note 5)
Differential Analog Input
(Note 6)
External Reference
Internal Reference
External Reference
SENSE = 1V
) ................................................. 4V
W W
U
A
DD
DD
DD
●
●
●
●
●
= 25°C. (Note 4)
+ 0.3V)
+ 0.3V)
+ 0.3V)
–2.5
MIN
–12
The
14
–4
–1
●
LTC2248
denotes the specifications which apply over the full operating
±0.5
±0.5
TYP
±10
±30
±1
±2
±5
1
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
MAX
2.5
12
4
1
LTC2248CUH
LTC2248IUH
LTC2247CUH
LTC2247IUH
LTC2246CUH
LTC2246IUH
–2.5
MIN
–12
–4
–1
14
REFH
REFH
REFL
REFL
AIN
AIN
GND
V
LTC2247
DD
+
–
±0.5
±0.5
TYP
±10
±30
±1
±2
±5
1
2
3
4
5
6
7
8
1
32-LEAD (5mm × 5mm) PLASTIC QFN
EXPOSED PAD IS GND (PIN 33)
http://www.linear.com/leadfree/
T
MUST BE SOLDERED TO PCB
32 31 30 29 28 27 26 25
9 10 11 12
JMAX
= 125°C, θ
MAX
2.5
12
UH PACKAGE
4
1
TOP VIEW
33
13 14 15 16
JA
–2.5
MIN
–12
QFN PART MARKING*
14
–4
–1
= 34°C/W
U
LTC2246
±0.5
±0.5
24
23
22
21
20
19
18
17
TYP
±10
±30
±1
±2
±5
2248
2248
2247
2247
2246
2246
1
D10
D9
D8
OV
OGND
D7
D6
D5
W
DD
MAX
2.5
12
4
1
LSB
ppm/°C
ppm/°C
224876fa
UNITS
µV/°C
U
%FS
LSB
LSB
RMS
Bits
mV