參數(shù)資料
型號(hào)： TDA8798HL
廠商： NXP SEMICONDUCTORS
元件分類： ADC
英文描述： Dual 8-bit, 100 Msps A/D converter with DPGA
中文描述： DUAL 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁(yè)數(shù)： 10/24頁(yè)
文件大?。?/td> 195K
代理商： TDA8798HL
1999 Sep 16
10
Philips Semiconductors
Objective specification
Dual 8-bit, 100 Msps A/D converter with
DPGA
TDA8798
HANDLING
Inputs and outputs are protected against electrostatic discharges in normal handling. However, to be totally safe, it is
desirable to take normal precautions appropriate to handling integrated circuits.
THERMAL CHARACTERISTICS
CHARACTERISTICS
V
DDA
= V
5
(or V
12
or V
20
or V
61
) to V
8
(or V
9
or V
21
or V
60
) = 3.15 to 3.45 V; V
DDD
= V
25
(or V
56
) to V
24
(or V
57
) = 3.0
to 3.6 V; V
DDO
= V
31
(or V
50
) to V
32
(or V
49
) = 2.7 to 3.6 V; V
SSA
, V
SSD
and V
SSO
shorted together; V
DDA
to
V
DDD
=
0.25 to +0.25 V; V
DDD
to V
DDO
=
0.25 to +0.90 V; V
DDA
to V
DDO
=
0.25 to +0.75 V; T
amb
= 0 to 70
°
C; typical
values measured at V
DDA
= V
DDD
= V
DDO
= 3.3 V and T
amb
= 25
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
R
th(j-a)
thermal resistance from junction to ambient
in free air
68
K/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DDA
V
DDD
V
DDO
I
DDA
analog supply voltage
digital supply voltage
output stage supply voltage
analog supply current
3.15
3.0
2.7
3.3
3.3
3.3
106
tbf
30
3
3.45
3.6
3.6
V
V
V
mA
mA
mA
mA
DPGAEN LOW
DPGAEN HIGH
I
DDD
I
DDO
digital supply current
output stage supply current
f
CLK
= 100 MHz;
ramp input
Digital programmable gain amplifiers
A
NALOG INPUTS
(VIN1, VIN1N, VIN2
AND
VIN2N)
V
i(dif)(max)(p-p)
maximum differential input
voltage (peak-to-peak value)
at G
(min)
at G
(max)
tbf
1
0.5
10
2.8
tbf
tbf
5
V
mV
V
μ
A
k
pF
V
i(cm)(DPGA)
I
i(DPGA)
R
i(DPGA)
C
i(DPGA)
A
NALOG OUTPUTS
(DPGA1, DPGA1N, DPGA2
AND
DPGA2N)
common mode input voltage
input current
input resistance
input capacitance
at V
i(cm)(DPGA)
V
o(dif)(max)(p-p)
maximum differential output
voltage (peak-to-peak value)
at G
(min)
at G
(max)
0.5
0.5
3.1
115
160
5
V
V
V
pF
V
o(cm)(DPGA)
R
o(DPGA)
C
o(DPGA)
common mode output voltage
output resistance
output capacitance
at V
o(cm)(DPGA)
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