ltc5587 Linear Technology Corporation, ltc5587 Datasheet - Page 4

• Manufacturer Part Number: ltc5587
• Description: Ltc5587 6 Ghz Rms Power Detector With Digital Output Features
• Manufacturer: Linear Technology Corporation

LTC5587
ELECTRICAL CHARACTERISTICS
PARAMETER
Output Variation vs Temperature
Output Variation vs Temperature
Deviation from CW Response;
P
Detector Analog Output
Output DC Voltage at V
Output Impedance
Output Current Sourcing/Sinking
Rise Time (1000pF on V
Fall Time (1000pF on V
Power Supply Rejection Ratio (Note 6)
Integrated Output Voltage Noise
Peak-to-Peak ADC Output Noise
ADC Resolution
ADC Resolution
Differential Linearity Error
Measurement Resolution
ADC Digital Timing
SYMBOL
f
f
t
t
t
t
t
t
t
t
t
t
t
t
ADC Digital Inputs and Outputs
SYMBOL
V
V
I
I
4
temperature range, otherwise specifications are at T
f
SAMPL(MAX)
SCK
SCK
THROUGHPUT
ACQ
CONV
1
2
3
4
5
6
7
8
IH
IL
SMPL(MAX)
IN
IH
IL
= –34dBm to –4dBm
and f
SCK
PARAMETER
Maximum Sampling Frequency
Shift Clock Frequency
Shift Clock Period
Minimum Throughput Time, t
Acquisition Time
Conversion Time
Minimum Positive CONV Pulse Width
SCK↑ Setup Time After CONV↓
SDO Enabled Time After CONV↓
SDO Data Valid Access Time After SCK↓
SCK Low Time
SCK High Time
SDO Data Valid Hold Time After SCK↓
SDO Into Hi-Z State Time After CONV↑
PARAMETER
SCK, CONV Logic High Input
SCK, CONV Logic Low Input
Logic High Input Current
Logic Low Input Current
OUT
= f
OUT
OUT
SCK(MAX)
)
)
unless otherwise noted. Test circuit is shown in Figure 1.
Normalized to Output at 25°C; P
CONDITIONS
Normalized to Output at 25°C; P
WiMax OFDMA Preamble
WiMax OFDM Burst
No Signal Applied to RF Input
Internal Series Resistor Allows for Off-Chip Filter Cap
0.2V to 1.6V, 10% to 90%, f
1.6V to 0.2V, 10% to 90%, f
For CW RF Input Over Operating Input Power Range
1 to 6.5 kHz Integration BW, P
C
(No Missing Codes)
EN = 0V, Voltage on V
1LSB = V
FILT
ACQ
= 1000pF , P
+ t
CONV
REF
/(4096 • 32mV/dB), V
A
= 25°C (Note 2). V
IN
CONDITIONS
CONDITIONS
(Notes 8, 9)
(Notes 8, 9)
(Note 8)
(Note 8)
(Notes 8, 9)
(Notes 8, 9, 10)
(Note 7)
(Note 7)
(Notes 8, 9, 10)
(Notes 8, 9)
SCK, CONV = V
SCK, CONV = 0V
= 0dBm CW
The
OUT
= 0V to 1.8V, V
l
RF
RF
denotes the specifications which apply over the full operating
IN
= 2140MHz
= 2140MHz
IN
= 0dBm CW
DD
IN
REF
= –27dBm to –10dBm
= –30dBm to 6dBm
CC
= 1.8V
= V
REF
DD
= 1.8V
= OV
DD
= 3.3V, V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
REF
MIN
40%
40%
–2.5
MIN
MIN
500
12
0.5
1.5
1.5
20
16
4
2
= 1.8V, EN = 3.3V, f
±0.25
0.014
±0.5
±0.1
±0.5
TYP
TYP
TYP
180
300
150
5/5
±1
49
11
6
1
8
MAX
MAX
0.8
2.5
50
16
MAX
2
8
SMPL
±1
=
UNITS
μV
UNITS
UNITS
dB/Bit
μsec
μsec
MHz
5587f
LSB
LSB
t
t
RMS
Bits
kHz
mV
mA
SCK
SCK
dB
dB
dB
dB
dB
μA
μA
ns
μs
μs
μs
μs
ns
ns
ns
ns
ns
Ω
V
V