LTC1278-4CSW Linear Technology, LTC1278-4CSW Datasheet - Page 15

• Manufacturer Part Number: LTC1278-4CSW
• Description: IC A/DCONV SAMPLNG W/SHTDN24SOIC
• Manufacturer: Linear Technology

Specifications of LTC1278-4CSW

• Number Of Bits: 12
• Sampling Rate (per Second): 400k
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 150mW
• Voltage Supply Source: Dual ±
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1278-4CS

A
PPLICATI
CONVST
CS = 0
BUSY
RD = CONVST
DATA
RD
CS = 0
BUSY
DATA
RD = CONVST
O
CS = 0
BUSY
DATA
U
S
SAMPLE N
t
5
I FOR ATIO
t
4
t
U
CONV
SAMPLE N
t
5
Figure 14. Mode 2. CONVST Starts a Conversion. Data is Read by RD
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
t
8
t
SAMPLE N
5
DB11 TO DB0
DATA (N – 1)
t
8
t
W
CONV
DB11 TO DB0
DATA (N – 1)
t
t
7
CONV
t
11
Figure 15. Slow Memory Mode
t
Figure 16. ROM Mode Timing
9
t
8
t
6
DB11 TO DB0
U
t
10
DATA N
DB11 TO DB0
DATA N
t
t
9
9
SAMPLE N + 1
SAMPLE N + 1
SAMPLE N + 1
DB11 TO DB0
DB11 TO DB0
DATA N
DATA N
DATA (N + 1)
DB11-DB0
DB11 TO DB0
LTC1278 F15
DATA (N + 1)
LTC1278 F16
LTC1278
LTC1278 F14
15