參數(shù)資料
型號(hào): TS8388BVFS
廠商: ATMEL CORP
元件分類(lèi): ADC
英文描述: ADC 8-bit 1 GSPS
中文描述: 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
封裝: HEAT SPREADER, CERAMIC, QFP-68
文件頁(yè)數(shù): 2/57頁(yè)
文件大?。?/td> 1276K
代理商: TS8388BVFS
2
TS8388B
2144C–BDC–04/03
Functional
Description
Block Diagram
The following figure shows the simplified block diagram.
Figure 1.
Simplified Block Diagram
Functional
Description
The TS8388B is an 8-bit 1 GSPS ADC based on an advanced high-speed bipolar technology
featuring a cutoff frequency of 25 GHz.
The TS8388B includes a front-end master/slave Track and Hold stage (S/H), followed by an
analog encoding stage and interpolation circuitry.
Successive banks of latches regenerate the analog residues into logical data before entering
an error correction circuitry and a resynchronization stage followed by 75
differential output
buffers.
The TS8388B works in fully differential mode from analog inputs up to digital outputs.
The TS8388B features a full-power input bandwidth of 1.5 GHz.
A control pin GORB is provided to select either Gray or Binary data output format.
A gain control pin is provided in order to adjust the ADC gain.
A Data Ready output asynchronous reset (DRRB) is available on TS8388B.
The TS8388B uses only vertical isolated NPN transistors together with oxide isolated polysili-
con resistors, which allow enhanced radiation tolerance (no performance drift measured at
150 kRad total dose).
MASTER/SLAVE TRACK & HOLD AMPLIFIER
V
IN
, V
INB
CLOCK
BUFFER
GAIN
GORB
DATA, DATAB OR, ORB
DRRB DR, DRB
CLK, CLKB
4
4
5
4
5
8
8
G=2
T/H
G=1
T/H
G=1
RESISTOR
CHAIN
ANALOG
ENCODING
BLOCK
INTERPOLATION
STAGES
REGENERATION
LATCHES
ERROR CORRECTION &
DECODE LOGIC
OUTPUT LATCHES &
BUFFERS
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