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參數(shù)資料
| 型號(hào)： | TDA8798 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual 8-bit, 100 Msps A/D converter with DPGA |
| 中文描述： | 雙8位，100 Msps的的A / D轉(zhuǎn)換器與DPGA |
| 文件頁(yè)數(shù)： | 9/24頁(yè) |
| 文件大小： | 214K |
| 代理商： | TDA8798 |
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1999 Sep 16
9
Philips Semiconductors
Objective specification
Dual 8-bit, 100 Msps A/D converter with
DPGA
TDA8798
Table 2
Abbreviations
Table 3
TE truth table
Table 4
SR truth table
Table 5
DPGAEN truth table
Table 6
Gain Control
SYMBOL
DESCRIPTION
GCR1
GCR2
SISR
X
DPGA1 gain control register value
DPGA2 gain control register value
Serial interface shift register value
can be either logic state 0 or logic
state 1
rising edge
falling edge
U
can be either undefined logic state X
rising edge or falling edge
Data input
Di
TE
ADC TRACK-AND-HOLD
0
1
track-and-hold enabled
track enabled
SR
ADC DIGITAL OUTPUT SLEW RATE
0
1
maximum
minimum
DPGAEN
DPGA FUNCTIONALITY
0
1
enabled
disabled
GAIN CONTROL
REGISTER VALUE
GAIN (dBV)
000000
000001
000010
...
...
...
111110
111111
0.00
0.54
1.08
...
...
...
33.46
34.00
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
0.3
0.3
0.3
MAX.
UNIT
V
DDA
V
DDD
V
DDO
V
DDX
analog supply voltage
digital supply voltage
output stage supply voltage
supply voltage differences between
V
DDA
and V
DDD
V
DDO
and V
DDD
V
DDA
and V
DDO
input voltage range on VIN1 and VIN2
(pins 10 and 7)
output current
storage temperature
ambient temperature
junction temperature
+7.0
+7.0
+7.0
V
V
V
1.0
1.0
1.0
0.3
+1.0
+1.0
+1.0
+7.0
V
V
V
V
V
i(VIN)
referenced to V
SSA
I
O
T
stg
T
amb
T
j
55
0
10
+150
70
104
mA
°
C
°
C
°
C
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