SPT7855 Datasheet, PDF (11/11 Pages) Fairchild Semiconductor – 10-BIT, 25 MSPS, 135 mW A/D CONVERTER

PIN ASSIGNMENTS
AGND 1
VRHF 2
VRHS 3
N/C 4
VRLS 5
VRLF 6
VIN 7
AGND 8
VCAL ₉
AVDD 10
DVDD 11
DGND 12
CLK 13
DAV 14
SOIC
28 D10
27 D9
26 D8
25 D7
24 D6
23 D5
22 OV_DD
21 OGND
20 D4
19 D3
18 D2
17 D1
16 D0
15 EN
V_RLF 1
V_IN 2
AGND 3
AGND 4
V_CAL 5
AV_DD 6
AV_DD 7
DV_DD 8
TQFP
24 D7
23 D6
22 D5
21 OVDD
20 OGND
19 D4
18 D3
17 D2
PIN FUNCTIONS
Name
AGND
V_RHF
V_RHS
V_RLS
V_RLF
V_CAL
V_IN
AV_DD
DV_DD
DGND
CLK
EN
D0–9
D10
DAV
OV_DD
OGND
N/C
Function
Analog Ground
Reference High Force
Reference High Sense
Reference Low Sense
Reference Low Force
Calibration Reference
Analog Input
Analog V_DD
Digital V_DD
Digital Ground
Input Clock ƒ_CLK = FS (TTL)
Output Enable
Tri-State Data Output, (D0=LSB)
Tri-State Output Overrange
Data Valid Output
Digital Output Supply
Digital Output Ground
No Connect
ORDERING INFORMATION
PART NUMBER
SPT7855SCS
SPT7855SCT
SPT7855SIS
SPT7855SIT
TEMPERATURE RANGE
0 to +70 °C
0 to +70 °C
–40 to +85 °C
–40 to +85 °C
PACKAGE TYPE
28L SOIC
32L TQFP
28L SOIC
32L TQFP
SPT7855
11
5/25/01