TDA8798HL Philips Semiconductors, TDA8798HL Datasheet - Page 12

• Manufacturer Part Number: TDA8798HL
• Description: Dual 8-bit/ 100 Msps A/D converter with DPGA
• Manufacturer: Philips Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
to 3.6 V; V
V
values measured at V
2001 Feb 14
Supplies
V
V
V
I
I
I
Digital programmable gain amplifiers
A
V
V
V
R
C
A
V
V
R
C
B
B
t
t
Dual 8-bit, 100 Msps A/D converter with optional DPGA
DDA
DDD
DDO
st
d(g)
DDA
DDD
DDA
DDD
DDO
NALOG INPUTS
i(dif)(max)(p-p)
i(cm)(DPGA)
io
NALOG OUTPUTS
o(dif)(max)(p-p)
o(cm)(DPGA)
ANDWIDTH AND SETTLING
( 3dB)(DPGA)
i(DPGA)
i(DPGA)
o(DPGA)
o(DPGA)
SYMBOL
= V
= 0.25 to +0.25 V; V
5
DDO
(or V
= V
12
analog supply voltage
digital supply voltage
output stage supply voltage
analog supply current
digital supply current
output stage supply current
(VIN1, VIN1N, VIN2
maximum differential input
voltage (peak-to-peak value)
common mode input voltage
input offset voltage at gain
control register:
input resistance
input capacitance
maximum differential output
voltage (peak-to-peak value)
common mode output voltage
output resistance
output capacitance
DPGA 3 dB bandwidth
settling time
group delay
or V
31
(DPGA1, DPGA1N, DPGA2
00H
20H
3FH
(or V
DDA
20
PARAMETER
or V
50
= V
DDD
) to V
61
DDD
) to V
to V
32
= V
DDO
(or V
8
DDO
AND
(or V
= 0.25 to +0.90 V; V
49
= 3.3 V and T
VIN2N)
) = 2.7 to 3.6 V; V
9
or V
AND
21
DPGAEN LOW
DPGAEN HIGH
f
input
at G
at G
at V
at G
at G
at V
at V
full-scale transition
10% to 90% at G
f
at G
clk
i
up to 15 MHz
or V
= 100 MHz; ramp
DPGA2N)
CONDITIONS
i(cm)(DPGA)
o(cm)(DPGA)
i(dif)(max)
(min)
(max)
(min)
(max)
(min)
60
amb
) = 3.15 to 3.45 V; V
12
= 25 C; C
SSA
DDA
, V
to V
(min)
SSD
DDO
(dpgac)
and V
3.15
3.0
2.7
2.2
1.2
V
100
30
= 0.25 to +0.75 V; T
DDA
MIN.
= 1 nF; unless otherwise specified.
SSO
DDD
0.4
shorted together; V
= V
25
3.3
3.3
3.3
110
68
30
1.9
0.5
10
V
1.4
0.5
0.5
V
130
38
9
5.4
(or V
DDA
DDA
TYP.
56
0.6 V
0.3 V
) to V
amb
3.45
3.6
3.6
136
82
45
6
50
13
4
1.8
5
160
5
11
6.5
Product specification
= 0 to 70 C; typical
DDA
DDA
24
DDA
MAX.
TDA8798
(or V
0.35 V
0.2
to
57
) = 3.0
V
V
V
mA
mA
mA
mA
V
mV
mV
mV
mV
k
pF
V
V
V
pF
MHz
ns
ns
UNIT